Page 1 User’s Manual Diaphragm Seal System EJXC80A, EJAC80E, EJXC81A, EJAC81E, EJXC50A and EJAC50E IM 01C25W01-01EN IM 01C25W01-01EN 3rd Edition...
Page 2: Table Of Contents
Mounting EJC50 and EJC80 with Hygienic Seal ......4-7 4.7.1 Hygienic Seal (Flush Type) ..............4-7 4.7.2 Hygienic Seal (Extended Type) ............4-7 4.7.3 Tank Spud Mounting Method ............. 4-8 3rd Edition: Oct. 2018 (YK) IM 01C25W01-01EN All Rights Reserved, Copyright © 2016, Yokogawa Electric Corporation...
Page 3 Toc-2 Rotating Transmitter Section ................. 4-10 Changing Integral Indicator Direction ............4-10 4.10 Mounting the Flushing Connection Ring ............. 4-11 4.10.1 Mounting to Pressure Detector Section ........... 4-11 4.10.2 Mounting to Process Flange ............4-11 4.11 Affixing the Teflon Film .................. 4-12 Operation ....................5-1 Preparation for Starting Operation ..............
Page 4 Toc-3 Maintenance ....................6-1 Overview ......................6-1 6.2 Calibration Instruments Selection ..............6-1 6.3 Calibration ......................6-1 6.4 Disassembly and Reassembly ................ 6-4 6.4.1 Replacing the Integral Indicator ............6-4 6.4.2 Replacing the CPU Board Assembly ..........6-5 Replacing the Process Connector Gasket ............. 6-5 6.6 Disassembly and Reassembly of Connection Adapter of Inner Diaphragm Type Seal ......................
Page 5: Introduction
<1. Introduction> Introduction Thank you for purchasing the DPharp Pressure transmitter. Your Transmitter was precisely calibrated at the factory before shipment. To ensure both safety and efficiency, please read this manual carefully before you operate the instrument. This manual describes the diaphragm seal system that consists of a transmitter section and a pressure detector section (diaphragm seal). Please confirm the model and suffix code (MS code) and the style code of the transmitter section on the product nameplate. ■...
Page 6: Regarding This Manual
For PROFIBUS PA protocol type, please refer to written permission. IM 01C25T04-01EN. • Yokogawa makes no warranty of any kind with To ensure correct use of this instrument, read regard to this manual, including, but not limited both the hardware and software manuals to, implied warranty of merchantability and thoroughly before use.
Page 7: Trademarks
<1. Introduction>  Trademarks • Yokogawa assumes no responsibility for this product except as stated in the warranty. • ‘DPharp’, ‘EJX’, ‘EJA’, ‘FieldMate’ and ‘BRAIN • If the customer or any third party is harmed by TERMINAL’ are registered trademarks of the use of this product, Yokogawa assumes Yokogawa Electric Corporation.
Page 8: Warranty
Yokogawa or an (f) Modification approved representative of Yokogawa. - Malfunction or damage from improper • Yokogawa will not be liable for malfunctions or relocation of the product in question after damage resulting from any modification made delivery. to this instrument by the customer.
Page 9: Handling Cautions
<2. Handling Cautions> Handling Cautions This chapter provides important information on how Transmitter to handle the transmitter. Read this carefully before mounting bolt using the transmitter. U-bolt WARNING The codes of the diaphragm seal system Mounting bracket represent a seal system type. U-bolt nut CE and other standard certifications are acquired for each transmitter section.
Page 10: Unpacking
<2. Handling Cautions> Unpacking (b) Ambient Atmosphere Do not install the transmitter in a corrosive Keep the transmitter in its original packaging to atmosphere. If this cannot be avoided, there prevent it from being damaged during shipment. must be adequate ventilation as well as Do not unpack the transmitter until it reaches the measures to prevent the leaking of rain water installation site.
Page 11: Waterproofing Of Cable Conduit Connections
<2. Handling Cautions> 2.6 Waterproofing of Cable • Insulation Resistance Test Conduit Connections 1) Short-circuit the + and – SUPPLY terminals in the terminal box. In case of 1 to 5 V output, Apply a non-hardening sealant to the threads short-circuit the SUPPLY+, SUPPLY – and A to waterproof the transmitter cable conduit (VOUT +) terminals.
Page 12: Component Names
<3. Component Names> Component Names EJC80 Differential pressure transmitter EJC80 Pressure transmitter EJC81 Absolute Pressure transmitter Transmitter section * Transmitter section * *See figure 3.2. *See figure 3.2. Capillary tube Cover flange Vent, drain plug C10FR Cover flange Diaphragm seal Flushing connection ring (high pressure side) Diaphragm seal...
Page 13 <3. Component Names> External indicator conduit connection (Note 1) Conduit connection Zero-adjustment screw Slide switch (Note 2) Integral indicator (Note 1) Cover flange Mounting screw (only for EJC80 and EJC81) Bolt for flange assembly (only for EJC80 and EJC81) Burnout direction switch Range-setting switch (Note 1)
Page 14: Installation
<4. Installation> Installation Precautions Mounting the Diaphragm Seals (Remote Seals) Before installing the transmitter, read the cautionary notes in Section 2.4, “Selecting the Installation 4.2.1 Mounting Flush type/Extended type Location.” For additional information on the Seals ambient conditions allowed at the installation location, refer to in the chapter 7 “Standard Mount the diaphragm seals using the flanges as Specifications.”...
Page 15 <4. Installation> IMPORTANT pressure IMPORTANT side • When measuring the liquid level of the tank, Install the sealed diaphragm the minimum liquid level (zero point) must so that the shank positions downward. be set to a level at least 50 mm above the center of the high pressure side diaphragm seal (see Figure 4.2).
Page 16: Mounting Inner Diaphragm Type Seals
<4. Installation> 4.2.2 Mounting Inner Diaphragm Type Mounting EJC80 and Seals EJC81 with Remote Seal Install the seal in accordance with the Figure 4.3. ■ The transmitter can be mounted on a nominal The bolts, nuts, mating flange and gasket are to be 50 mm (2 to inch) pipe using the mounting procured by the customer. bracket supplied, as shown in Figure 4.4.
Page 17 <4. Installation> [For fill fluid code 1, 2, 4] IMPORTANT Process connection Wetted parts Capillary size code material code length The transmitter should be installed at least 1 to 5 m 2570 600 mm below the high pressure (HP) process 6 to 10 m 4680 connection to ensure a positive head pressure 1 to 5 m 10220 2050...
Page 18: Mounting EjC80 With Direct Mount Seal
<4. Installation> Mounting EJC80 with (1) Check the High and Low Pressure Connections on the Transmitter (Figure 4.8) Direct Mount Seal The letters H and L on the capsule assembly 4.5.1 Mounting indicate the high and low pressure sides. For liquid level measurement in an open tank, the low The transmitter is mounted on a process using its pressure side measures atmospheric pressure.
Page 19: Mounting EjC50 With Direct Mount Seal
<4. Installation> Mounting EJC50 with NOTE Direct Mount Seal After completing the connections, close the The transmitter is mounted on a process using its valves on the process pressure taps (main high-pressure side flange as shown in Figure 4.10. valves), the valves at the transmitter (stop The mating flange, gasket, stud bolts and nuts are valves), and the impulse piping drain valves, to be procured by the customer.
Page 20: Mounting EjC50 And EjC80 With Hygienic Seal
O-ring, clamp, and tank onto the sleeve. spud. They are also available Tank 3) Use the clamp to secure the connecting section from Yokogawa; if required, please order them separately. Tank spud* in position. (sold separately) Refer to Table 4.1 and 4.2.
Page 21: Tank Spud Mounting Method
<4. Installation> 4.7.3 Tank Spud Mounting Method  Mounting Direction Fit the tank spud onto the tank so that the drain A tank spud is used to joint a tank and an extended outlet faces downward. Then carry out the diaphragm type of level transmitter.
Page 22 ISO76.1 clamp Gasket F9500DZ for ISO101.6 clamp [Special Tools for Tank Spud Welding] F9500DX for ISO51 clamp Yokogawa provides special tools exclusively F9500DY for ISO76.1 clamp designed for the tank spud welding to make the O-ring F9271QK for ISO101.6 clamp...
Page 23: Rotating Transmitter Section
4-10 <4. Installation> Rotating Transmitter Section Changing Integral Indicator Direction The transmitter section can be rotated to any desired position. Note that there is a stopper which IMPORTANT prevents the transmitter from being rotated more than 360°. • Always turn OFF power and shut off and 1) Using the Allen wrench, remove the two release pressures before disassembly.
Page 24: Mounting The Flushing Connection Ring
4-11 <4. Installation> 4.10 Mounting the Flushing 4.10.2 Mounting to Process Flange Connection Ring Tighten the bolts to completely close the gap between the ring and the pressure detector section. 4.10.1 Mounting to Pressure Detector The mating flange, gasket, stud bolts and nuts are Section to be procured by the customer. The flushing connection ring is mounted to the pressure detector section as shown in Figure 4.18.
Page 25: Affixing The Teflon Film
4-12 <4. Installation> IMPORTANT • Confirm that there is no gap between the ring and the process-detector section after they are mounted on the process flange. A gap can lead to a sudden, explosive release of process fluids. • When mounting or removing the ring, take care not to tilt the pressure detector downward as the ring can slip off and cause injury. • When re-mounting the ring, use the new spiral gasket as shown in below table. Table 4.3 Spiral Gasket for Pressure Detector Section Side* Hoop material/Parts No.
Page 26: Operation
<5. Operation> Operation Preparation for Starting Operation This section describes the operation procedure for the EJC80 differential pressure transmitter as Diaphragm seal shown in Figure 5.1 when measuring liquid level in a closed tank, and EJC80 differential pressure or gauge pressure transmitter as shown in Figure Closed tank 5.2 or 5.3 or EJC50...
Page 27 <5. Operation> Using the integral indicator • If the wiring system is faulty, the display stays Open Tank Open Tank blank. • If the transmitter is faulty, an error code is displayed. Self-diagnostic error on the integral indicator F0504.ai (Faulty transmitter) Figure 5.4 Liquid Level Measurement F0506.ai...
Page 28: Zero Point Adjustment
<5. Operation> Zero Point Adjustment (1) When you can obtain Low Range Value from actual measured value of 0% (0 kPa, After completing preparations for operating the atmospheric pressure); transmitter, adjust the zero point. Zero point adjustment can be done by turning the transmitter’s zero-adjustment screw or by using the communicator.
Page 29: Zero Point Adjustment For Absolute Pressure Diaphragm Seal System
<5. Operation> 5.2.1 Zero point adjustment for Absolute (a) Decompressing the process pressure to the Pressure Diaphragm Seal System vacuum pressure standard and adjust the zero to it. In the case of the Absolute Pressure Diaphragm Seal System, because a head pressure is caused by the fill fluid in the capillary, it is basically recommended to perform zero adjustment after Internal pressure:...
Page 30 <5. Operation> (b) Performing adjustment to atmospheric (c) Performing zero adjustment with using pressure. calculated head pressure. Adjustment is performed before installation under atmospheric pressure. Use the following equation to calculate the head Internal pressure: pressure. atmospheric pressure Head pressure = h (mm) × ds × 9.80665 × 10 (kPa) h: Vertical height between the HP process connection and the connection of remote seal...
Page 31: Starting Operation
<5. Operation> Starting Operation Shutting Down Operation After completing the zero point adjustment, follow Turn off the power. the procedure below to start operation. NOTE 1) Confirm the operating status. If the output signal exhibits wide fluctuations (hunting) due to Whenever shutting down the transmitter for a periodic variation in the process pressure, use long period, detach the transmitter from the tank.
Page 32: Draining Condensate
<5. Operation> 5.5.1 Draining Condensate 5.5.3 Draining Condensate for Flushing Connection Ring or Inner Diaphragm 1) Gradually open the drain plug and drain the Type Seal transmitter pressure-detector section. (See Figure 5.5) 1) Gradually open the drain screw to drain from 2) When all accumulated liquid is completely the flushing connection ring.
Page 33: Venting Gas For Flushing Connection Ring Or Inner Diaphragm Type Seal
<5. Operation> Local Parameter Setting 5.5.4 Venting Gas for Flushing Connection Ring or Inner Diaphragm Type Seal WARNING 1) Gradually open the vent screw to vent gas from the flushing connection ring. The local push button on the integral indicator 2) When the flushing connection ring or the must not be used in a hazardous area. When it is connection adapter of the inner diaphragm type necessary to use the push button, operate it in a seal is completely vented, close the vent screw.
Page 34: Local Parameter Setting (Lps) Overview
<5. Operation> 5.6.1 Local Parameter Setting (LPS) Overview Parameter configuration by the external adjustment screw and push button (integral indicator code E) offers easy and quick setup for parameters of Tag number, Unit, LRV, URV, Damping,Output mode (linear/square root), Display out 1, and Re-range by applying actual pressure (LRV/URV). There is no effect on measurement signal (analog output or communication signal) when Local Parameter Setting is carried out.
Page 35: Activating Local Parameter Setting
5-10 <5. Operation> 5.6.2 Activating Local Parameter Setting Press the push button on the integral indicator to activate the Local Parameter Setting mode. The transmitter will exit automatically from the Local Parameter Setting mode if no operation is carried out for 10 minutes. 5.6.3 Parameter Setting Review Current setting value for the below parameters are shown sequentially by each press of the push button.
Page 36: Tag Number Configuration
5-11 <5. Operation> 5.6.4 Tag Number Configuration Tag Number is edited by turning the external adjustment screw. Up to 8 alphanumeric characters for HART or 16 alphanumeric characters for BRAIN can be set. Save ?/ Cancel ? Blinking Blinking Set all other characters in the same way Go to the next Character...
Page 37: Damping Time Constant Configuration
5-12 <5. Operation> 5.6.7 Damping Time Constant Configuration The damping time constant for the amplifier assembly can be set. Quick Response Parameter is automatically set to ON when the damping time constant is set to less than 0.5 seconds. Damping time constant is rounded off to two decimal places. Save ?/ Cancel ? Blinking Blinking Blinking Set all other characters in the same way Change the first digit...
Page 38: Save Or Cancel
5-13 <5. Operation> 5.6.11 Save or Cancel 5.6.12.2 Abort Configuration (Parameter) At the end of each parameter setting, select “Save” To exit the configuration while editing the value, or “Cancel” by the external adjustment screw hold down the button for over 2 seconds and select and press the push button to save or cancel the “Save”...
Page 39: Maintenance
<6. Maintenance> Maintenance Overview 6.3 Calibration Use the procedure below to check instrument WARNING operation and accuracy during periodic maintenance or troubleshooting. Since the accumulated process fluid may be 1) Connect the instruments as shown in figure toxic or otherwise harmful, take appropriate care 6.1a and 6.1b and warm up the instruments for to avoid contact with the body or inhalation of at least five minutes.
Page 40 <6. Maintenance> Table 6.1 Instruments Required for Calibration Name Yokogawa-recommended Instrument Remarks Power supply Model SDBT or SDBS distributor 4 to 20 mA DC signal Load resistor Model 2792 standard resistor [250 Ω ±0.005%, 3 W] Load adjustment resistor [100 Ω ±1%, 1 W] Voltmeter Model 2501 A digital multimeter Accuracy (10V DC range): ±(0.002% of rdg + 1 dgt) Digital Model MT220 precision digital manometer Select a manometer having...
Page 41 <6. Maintenance> Model MT220 precision digital manometer If a pressure source Mating calibration flange and a manometer are combined: Pressure source High pressure side Supply pressure diaphragm seal Model 7674 pneumatic If a pressure pressure standards generator is used: Low pressure side diaphragm seal Power Load resistance, 250Ω...
Page 42: Disassembly And Reassembly
Tool Quantity Remarks indicator to a transmitter. If such modification is Phillips JIS B4633, No. 2 screwdriver absolutely required, contact Yokogawa. Slotted screwdriver This subsection describes the procedure for Allen wrenches JIS B4648 replacing an integral indicator. (See figure 6.3) One each, nominal 3, 4 and 2.5 mm Allen wrenches...
Page 43: Replacing The Cpu Board Assembly
<6. Maintenance> 6.4.2 Replacing the CPU Board Assembly NOTE This subsection describes the procedure for Confirm that the zero-adjustment screw pin is replacing the CPU assembly. (See figure 6.3) placed properly in the groove on the bracket prior ■ Removing the CPU Assembly to tightening the two bosses. If it is not, the zero- adjustment mechanism will be damaged. 1) Remove the cover. If an integral indicator is mounted, refer to subsection 6.4.1 and remove 5) Replace the cover.
Page 44: Disassembly And Reassembly Of Connection Adapter Of Inner Diaphragm Type Seal
Since some problems Figure 6.5 Basic Flow and Self-Diagnostics have complex causes, these flow charts may not identify all. If you have difficulty isolating or correcting a problem, contact Yokogawa service personnel. 6.7.1 Basic Troubleshooting First determine whether the process variable is actually abnormal or a problem exists in the measurement system.
Page 45: Troubleshooting Flowcharts
Fully close equalizing valve, and fully open high pressure and low pressure valves. Adjust the zero point. Contact Yokogawa service personnel. Is there any pressure leak? F0607.ai Fix pressure leaks, paying particular attention to connections for impulse piping,pressure-detector section, etc.
Page 46 Provide lagging and/or cooling, or allow adequate ventilation. Were appropriate instruments used for calibration? Refer to Section 6.2 when selecting instruments for calibration. Is output adjusted correctly? Adjust the output. Contact Yokogawa service personnel. F0608.ai IM 01C25W01-01EN...
Page 47: Alarms And Countermeasures
<6. Maintenance> 6.7.3 Alarms and Countermeasures Table 6.3 Alarm Message Summary Output Operation Indicator Cause Countermeasure during Error None AL. 01 Sensor problem. Outputs the signal (Hold, High, or Replace capsule when error CAP. ERR Low) set with parameter. keeps appearing even after Capsule temperature sensor restart.
Page 48: General Specifications
<7. General Specifications> General Specifications 7.1 Standard Specifications This chapter describes the specifications which are specific to the diaphragm seal system. Please be noted that the contents are extracts from GS 01C25W01-01EN, and the chapter/section/close numbers and table/figure numbers are independent from those of other chapters. For those specifications which are common with the original transmitters, refer to the General Specification part of IM 01C25F01-01E. Refer to GS 01C31T02-01EN for Fieldbus communication type and GS 01C31T04-01EN for PROFIBUS PA communication type for the items marked with “◊.”  Performance Specifications See GS 01C25W01-01EN. IM 01C25W01-01EN...
Page 49 <7. General Specifications>  SPAN AND RANGE LIMITS ● Flange Mounted Diaphragm Seal System ■ Remote Mounted Seal, Direct Mounted Seal with Remote Seal (Combination type), or Compensation Capillary type • EJXC80A Differential pressure diaphragm seal system Measurement mbar Span/Range (/D1) (/D3) (/D4) Span 2 to 100 8 to 400 20 to 1000 200 to 10000 Range −100 to 100 −400 to 400 −1000 to 1000 −10000 to 10000...
Page 50 <7. General Specifications> • EJXC81A Absolute pressure diaphragm seal system Measurement psi abs mbar abs mmHg abs kPa abs Span/Range (/D1) (/D3) (/D4) Span 2.7 to 130 0.8 to 38 inHg abs 27 to 1300 20 to 970 Range 0 to 130 0 to 38 inHg abs 0 to 1300 0 to 970 Span...
Page 51 <7. General Specifications> ■ Direct Mounted Seal • EJXC80A Differential pressure diaphragm seal system Measurement mbar Span/Range (/D1) (/D3) (/D4) Span 1 to 100 4 to 400 10 to 1000 100 to 10000 Range −100 to 100 −400 to 400 −1000 to 1000 −10000 to 10000 Span 5 to 500 20 to 2000 50 to 5000 0.05 to 5 kgf/cm Range...
Page 52 <7. General Specifications> ● Hygienic Diaphragm Seal System ■ Remote Mounted Seal, or Direct Mounted Seal with Remote Seal (Combination type) • EJXC80A Differential pressure diaphragm seal system Measurement mbar Span/Range (/D1) (/D3) (/D4) Span 2 to 100 8 to 400 20 to 1000 200 to 10000 Range −100 to 100 −400 to 400 -1000 to 1000 -10000 to 10000 Span 10 to 500 40 to 2000 100 to 5000...
Page 53 <7. General Specifications> • EJXC50A Gauge pressure diaphragm seal system Measurement kg/cm Span/Range (/D1) (/D3) (/D4) Span 8 to 200 kPa 1.16 to 29 0.08 to 2 0.08 to 2 Range −100 to 200 kPa −14.5 to 29 −1 to 2 −1 to 2 Span 0.04 to 1 5.8 to 145 0.4 to 10 0.4 to 10 Range...
Page 54 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection *1: See figure 1a, 1b, 1c and 1d ‘Working Pressure and Process Temperature.’...
Page 55 <7. General Specifications> ■ EJXC80A, EJAC80E Direct Mounted Diaphragm Seal System Table 1-2a. Flange Mounted Process Ambient Code Working pressure Specific gravity* temperature* temperature* Silicone oil −10 to 315°C* −10 to 85°C 1.07 (general use) (14 to 599°F) (14 to 185°F) 2.7 kPa abs (0.38 psi abs) to flange rating pressure Silicone oil −40 to 210°C* −40 to 85°C 0.94 (general use) (−40 to 410°F) (−40 to 185°F) Silicone oil...
Page 56 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection *1: See figure 1a, 1c and 1d ‘Working Pressure and Process Temperature.’...
Page 57 7-10 <7. General Specifications> ■ for EJXC80A, EJAC80E, EJXC81A, EJAC81E Process temperature Process temperature Remote Mount Flanged Diaphragm Seal System Transmitter ambient for fill fluid code 1 for fill fluid code 2 temperature range *1*2 Flange max. Process temperature Process temperature Process temperature working pressure for fill fluid code F for fill fluid code B...
Page 58 7-11 <7. General Specifications> ■ for E JXC80A, EJAC80E Direct Mount Flanged Diaphragm Seal System EJXC50A, EJAC50E Direct Mount Flanged Diaphragm Seal System EJXC40A Digital Remote Sensor Flange Mounted Diaphragm Seal System Process temperature Fill fluid code A Process temperature for fill fluid code B for fill fluid code F Process temperature for fill fluid code A Transmitter...
Page 59 7-12 <7. General Specifications> ■ For E JXC80A, EJAC80E Remote Mount Hygienic Diaphragm Seal System EJXC80A, EJAC80E Direct Mount Hygienic Diaphragm Seal System EJXC50A, EJAC50E Direct Mount Hygienic Diaphragm Seal System EJXC40A Digital Remote Sensor Hygienic Diaphragm Seal System Process temperature for fill fluid code B Clamp Transmitter ambient max working temperature range pressure...
Page 60 7-13 <7. General Specifications>  NORMAL OPERATING CONDITION ■ EJXC80A, EJAC80E Direct Mount Diaphragm Seal System (Optional features or approval codes may affect limits.) Transmitter section Ambient and Process Temperature Limits See table 1, 2, 3 and following table Ambient temperature limits Model with LCD Display type Remote mount −30 to 60°C (−22 to 140°F) Direct mount −30 to 80°C (−22 to 176°F) Working Pressure Limits Pressure detector section...
Page 61 7-14 <7. General Specifications>  MODEL AND SUFFIX CODES The model codes of Diaphragm Seal System consist of a diaphragm seal system, a transmitter part and a diaphragm seal (s) part. Various kinds of products can be realized by combining a transmitter with diaphragm seal (s) This sheet describes the codes of the diaphragm seal system and the diaphragm seal part.
Page 62 7-15 <7. General Specifications> Transmitter Model GS No. Differential pressure transmitter EJX110A GS 01C25B01-01EN EJA110E GS 01C31B01-01EN Gauge pressure transmitter EJX430A GS 01C25E01-01EN EJA430E GS 01C31E01-01EN EJX530A GS 01C25F01-01EN EJA530E GS 01C31F01-01EN Absolute pressure transmitter EJX310A GS 01C25D01-01EN EJA310E GS 01C31D01-01EN Digital remote sensor EJXC40A GS 01C25W05-01EN IM 01C25W01-01EN...
Page 63 7-16 <7. General Specifications> 1. Diaphragm Seal System Diaphragm Seal System F37E.ai Model Suffix Codes Description EJXC80A ..............Diaphragm Seal System* EJAC80E Measurement type -D ............Differential Pressure -G ............Gauge Pressure High Pressure Side Style 8 ............Remote mount flanged diaphragm seal 7 ............Remote mount hygienic diaphragm seal 2 ............
Page 64 7-17 <7. General Specifications> 1.2 Absolute Pressure Diaphragm Seal System F38E.ai Model Suffix Codes Description EJXC81A ............. Absolute pressure diaphragm seal system* EJAC81E Measurement type -A ............. Absolute Pressure Style 8 ..........Remote seal flanged diaphragm seal -------- 0 ..........None Measurement Span Select from measurement span (capsule) codes of the transmitter. □...
Page 65 7-18 <7. General Specifications> Digital Remote Sensored Diaphragm Seal System F40E.ai Model Suffix Codes Description EJXC40A ............. Digital remote sensored diaphragm seal system* Measurement type -D ............. Differential Pressure 5 ..........Direct mount flanged diaphragm seal Master Style (High pressure side) 6 ..........Direct mount Hygienic diaphragm seal S ..........
Page 66 7-19 <7. General Specifications> 2. Remote Mount Flanged Diaphragm Seal 3-inch (80 mm) / 2-inch (50 mm) / Raised face (RF), Flush type For general use, Capillary Connection Style: Side of diaphragm seal unit F41E.ai Model Suffix Codes Description C80FW ................Remote Mount Flanged Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................
Page 67 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Refer to section 12 for limitation of capillary length. Applicable for option code /R (Operating temperature correction). In case of “without PVC sheath”, must be select code V.
Page 68 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *13: See figure 1a, 1b ‘Working Pressure and Process Temperature.’ *14: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 69 7-22 <7. General Specifications> 3-inch (80 mm) / 2-inch (50 mm) Raised face (RF), Flush type for general use, Capillary Connection Style: Back of diaphragm seal unit F42E.ai Model Suffix Codes Description C80FW ................Remote Mount Flanged Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................
Page 70 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *7: See figure 1a, 1b ‘Working Pressure and Process Temperature.’...
Page 71 7-24 <7. General Specifications> 3-inch (80 mm) / 2-inch (50 mm) Ring type joint (RJ), Flush type for general use, Capillary Connection Style: Side of diaphragm seal unit F43E.ai Model Suffix Codes Description C80FW ................Remote Mount Flanged Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................
Page 72 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *8: See figure 1a, 1b ‘Working Pressure and Process Temperature.’...
Page 73 7-26 <7. General Specifications> 3-inch (80 mm) / 2-inch (50 mm) Raised face (RF), Flush type High vacuum / High temp. and high vacuum use Capillary Connection Style: Side of diaphragm seal unit F44E.ai Model Suffix Codes Description C80FW ................Remote Mount Flanged Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................
Page 74 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *9: See figure 1a, 1b ‘Working Pressure and Process Temperature.’...
Page 75 7-28 <7. General Specifications> 1 1/2-inch (40 mm) Raised face (RF), Flush type for general use, Capillary Connection Style: Side of diaphragm seal unit F45E.ai Model Suffix Codes Description C80FW ................Remote Mount Flanged Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................for low pressure side □...
Page 76 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *7: See figure 1a, 1b ‘Working Pressure and Process Temperature.’...
Page 77 7-30 <7. General Specifications> 1 1/2-inch (40 mm) Raised face (RF), Flush type High vacuum / High temp. and high vacuum use Capillary Connection Style: Side of diaphragm seal unit F46E.ai Model Suffix Codes Description C80FW ................Remote Mount Flanged Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................
Page 78 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *6: See figure 1c, 1d ‘Working Pressure and Process Temperature.’...
Page 79 7-32 <7. General Specifications> 3. Remote Mount Flanged Diaphragm Seal (Extended type) 3.1 4 -inch (100 mm) / 3-inch (80 mm) Raised face (RF), Extended type for general use, Capillary Connection Style: Back of diaphragm seal unit F47E.ai Model Suffix Codes Description C80FE ................Remote Mount Flanged Diaphragm Seal (Extended type) Seal system -H ................for high pressure side location -L ................for low pressure side □ ................. Refer to table 3b. Seal fill fluid Transmitter -S ..............
Page 80 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Refer to section 12 for limitation of capillary length. Applicable for option code /R (Operating temperature correction). In case of “without PVC sheath”, must be select code V.
Page 81 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *14: See figure 1a, 1b ‘Working Pressure and Process Temperature.’ *15: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 82 7-35 <7. General Specifications> 3.2 4 -inch (100 mm) / 3-inch (80 mm) Raised face (RF) Extended type High vacuum / High temp. and high vacuum use Capillary Connection Style: Back of diaphragm seal unit F48E.ai Model Suffix Codes Description C80FE ................Remote Mount Flanged Diaphragm Seal (Extended type) -H ................for high pressure side Seal system location -L ................for low pressure side Seal fill fluid □...
Page 83 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Refer to section 12 for limitation of capillary length. Not applicable to different size between Process connection size and Flange size.
Page 84 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *11: See figure 1e, 1f ‘Working Pressure and Process Temperature.’ *12: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 85 7-38 <7. General Specifications> 4. Remote Mount Flanged Diaphragm Seal (Inner Diaphragm type) 1/2-inch (15 mm) / 3/4-inch (20 mm) 1-inch (25 mm) Adapter connection type, Raised face (RF) for general use, Capillary Connection Style: Back of diaphragm seal unit F49E.ai Model Suffix Codes Description C81FA ................Inner Diaphragm, Adapter connection seal (Bundled capillary type)* C82FA ................
Page 86 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Not applicable for gauge transmitter and differential transmitter with single seal type. In case where capillary length code 1 (1 m), the model code must be selected for C82FA. Not applicable for C81FA.
Page 87 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *16: See figure 1a, 1b ‘Working Pressure and Process Temperature.’ *17: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 88 7-41 <7. General Specifications> 1/2-inch (15 mm) / 3/4-inch (20 mm) / 1-inch (25 mm) Adapter connection type, Ring type joint (RJ) for general use, Capillary Connection Style: Back of diaphragm seal unit F50E.ai Model Suffix Codes Description C81FA ................Inner Diaphragm, Adapter connection seal (Bundled capillary type)* C82FA Inner Diaphragm, Adapter connection seal (Standard type) Seal system -H ................
Page 89 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *16: See figure 1a, 1b ‘Working Pressure and Process Temperature.’ *17: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 90 7-43 <7. General Specifications> 1/2-inch (15 mm) / 3/4-inch (20 mm) / 1-inch (25 mm) Flange connection type, Raised face (RF) for general use, Capillary Connection Style: Back of diaphragm seal unit F51E.ai Model Suffix Codes Description C81FD ................Inner Diaphragm, Flange connection seal (Bundled capillary type)* C82FD ................Inner Diaphragm, Flange connection seal (Standard type) Seal system -H ................
Page 91 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *16: See figure 1a, 1b ‘Working Pressure and Process Temperature.’ *17: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 92 7-45 <7. General Specifications> 1/2-inch (15 mm) / 3/4-inch (20 mm) / 1-inch (25 mm) Flange connection type, Ring type joint (RJ) for general use, Capillary Connection Style: Back of diaphragm seal unit F52E.ai Model Suffix Codes Description C81FD ................Inner Diaphragm, Flange connection seal (Bundled capillary type)* C82FD ................Inner Diaphragm, Flange connection seal (Standard type) -H ................
Page 93 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *16: See figure 1a, 1b ‘Working Pressure and Process Temperature.’ *17: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 94 7-47 <7. General Specifications> 1/2-inch (15 mm) / 3/4-inch (20 mm) / 1-inch (25 mm) Adapter connection type, Raised face (RF) High vacuum / High temp. and high vacuum use Capillary Connection Style: Back of diaphragm seal unit F53E.ai Model Suffix Codes Description C81FA ................Inner Diaphragm, Adapter connection seal (Bundled capillary type)* C82FA ................
Page 95 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *15: See figure 1c, 1d ‘Working Pressure and Process Temperature.’ *16: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 96 7-49 <7. General Specifications> 1/2-inch (15 mm) / 3/4-inch (20 mm) / 1-inch (25 mm) Adapter connection type, Ring type joint (RJ) High vacuum / High temp. and high vacuum use Capillary Connection Style: Back of diaphragm seal unit F54E.ai Model Suffix Codes Description C81FA ................Inner Diaphragm, Adapter connection seal (Bundled capillary type)* C82FA ................
Page 97 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *15: See figure 1c, 1d ‘Working Pressure and Process Temperature.’ *16: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 98 7-51 <7. General Specifications> 1/2-inch (15 mm) / 3/4-inch (20 mm) / 1-inch (25 mm) Flange connection type, Raised face (RF) High vacuum / High temp. and high vacuum use Capillary Connection Style: Back of diaphragm seal unit F55E.ai Model Suffix Codes Description C81FD ................Inner Diaphragm, Flange connection seal (Bundled capillary type)* C82FD ................
Page 99 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *15: See figure 1c, 1d ‘Working Pressure and Process Temperature.’ *16: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 100 7-53 <7. General Specifications> 1/2-inch (15 mm) / 3/4-inch (20 mm) / 1-inch (25 mm) Flange connection type, Ring type joint (RJ) High vacuum / High temp. and high vacuum use Capillary Connection Style: Back of diaphragm seal unit F56E.ai Model Suffix Codes Description C81FD ................Inner Diaphragm, Flange connection seal (Bundled capillary type)* C82FD ................
Page 101 Note: The differential pressure transmitter should be installed at least 600 mm below the high pressure (HP) process connection. However, this value (600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection. *15: See figure 1c, 1d ‘Working Pressure and Process Temperature.’ *16: In case of diaphragm material code T (Tantalum), process temperature limit is up to 200°C (392°F).
Page 102 7-55 <7. General Specifications> 5. Direct Mount Flanged Diaphragm Seal (Flush type) 3-inch (80 mm) / 2-inch (50 mm) Raised face (RF) F57E.ai Model Suffix Codes Description C20FW ................Direct mount flanged diaphragm seal (Flush type) Seal -H ................for high pressure side* system -P ................for Master side (High pressure side)* location -S ................
Page 103 Users must consider the characteristics of selected wetted parts material and the influence of process fluids. The use of inappropriate materials can result in the leakage of corrosive process fluids and cause injury to personnel and/or damage to plant facilities. It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Applicable for EJXC50A, EJAC50E, EJXC80A and EJAC80E. Applicable for EJXC40A. *4: Applicable for EJXC80A and EJAC80E with Seal fill fluid code A.
Page 104 7-57 <7. General Specifications> 1 1/2-inch (40 mm) Raised face (RF) F58E.ai Model Suffix Codes Description C20FW ................Direct mount flanged diaphragm seal (Flush type) Seal -H ................for high pressure side* system -P ................for Master side (High pressure side)* location -S ................for Slave side (Low pressure side)* Seal fill fluid □...
Page 105 Users must consider the characteristics of selected wetted parts material and the influence of process fluids. The use of inappropriate materials can result in the leakage of corrosive process fluids and cause injury to personnel and/or damage to plant facilities. It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Applicable for EJXC50A, EJAC50E, EJXC80A and EJAC80E. Applicable for EJXC40A. *4: Applicable for EJXC80A and EJAC80E with Seal fill fluid code A.
Page 106 7-59 <7. General Specifications> 6. Direct Mount Flanged Diaphragm Seal (Extended type) 4-inch (100 mm) / 3-inch (80 mm) Raised face (RF) F59E.ai Model Suffix Codes Description C20FE ................Direct mount flanged diaphragm seal (Extended type) Seal -H ................for high pressure side* system -P ................for Master side (High pressure side)* location -S ................for Slave side (Low pressure side)* Seal fill fluid □...
Page 107 Users must consider the characteristics of selected wetted parts material and the influence of process fluids. The use of inappropriate materials can result in the leakage of corrosive process fluids and cause injury to personnel and/or damage to plant facilities. It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Applicable for EJXC50A, EJAC50E, EJXC80A and EJAC80E. Applicable for EJXC40A. *4: Applicable for EJXC80A and EJAC80E with Seal fill fluid code A.
Page 108 7-61 <7. General Specifications> Table 6b. Process temperature and Ambient temperature Process Ambient Specific Code Working pressure temperature* temperature* gravity* Silicone oil* −10 to 315°C −10 to 85°C 1.07 (general use) (14 to 599°F) (14 to 185°F) 2.7 kPa abs (0.38 psi abs) to flange rating pressure Silicone oil* −40 to 210°C −40 to 85°C 0.94 (general use) (−40 to 410°F) (−40 to 185°F) Silicone oil...
Page 109 7-62 <7. General Specifications> 7. Remote mount Hygienic Diaphragm Seal ISO101.6 / ISO76.1 Clamp Flush type F60.ai Model Suffix Codes Description C70SW ................Remote Mount Hygienic Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................for low pressure side Seal fill fluid □...
Page 110 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Refer to section 12 for limitation of capillary length. Hastelloy C-276 or N10276.
Page 111 7-64 <7. General Specifications> ISO51Clamp Flush type F61.ai Model Suffix Codes Description C70SW ................Remote Mount Hygienic Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location -L ................for low pressure side Seal fill fluid □ ................. Refer to table 7d Transmitter -S ..............
Page 112 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Refer to section 12 for limitation of capillary length. Hastelloy C-276 or N10276.
Page 113 7-66 <7. General Specifications> ISO101.6 / ISO76.1 Clamp type F62.ai Model Suffix Codes Description C70SE ................Remote Mount Hygienic Diaphragm Seal (Extended type) Seal system -H ................for high pressure side location -L ................for low pressure side □ ................. Refer to table 7f. Seal fill fluid Transmitter -S ..............
Page 114 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Refer to section 12 for limitation of capillary length. Hastelloy C-276 or N10276.
Page 115 7-68 <7. General Specifications> 8. Direct Mount Hygienic Diaphragm Seal ISO101.6 / ISO76.1 Clamp Flush type F63E.ai Model Suffix Codes Description C30SW ................Direct Mount Hygienic Diaphragm Seal (Flush type) -H ................for high pressure side* Seal system -P ................for Master side (High pressure side)* location -S ................
Page 116 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Applicable for EJXC80A, EJAC80E, EJXC50A and EJAC50E. Applicable for EJXC40A. Hastelloy C-276 or N10276.
Page 117 7-70 <7. General Specifications> ISO51 Clamp Flush type F64.ai Description Model Suffix Codes C30SW ................Direct Mount Hygienic Diaphragm Seal (Flush type) Seal system -H ................for high pressure side location Seal fill fluid □ ................. Refer to table 8d. Transmitter -S ..............for general use connection type -------- N ..............
Page 118 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Hastelloy C-276 or N10276. Electro polishing for all wetted parts (Diaphragm and Block).
Page 119 7-72 <7. General Specifications> 8.3 ISO101.6 / ISO76.1 Clamp Extended type F65E.ai Model Suffix Codes Description C30SE ................Direct Mount Hygienic Diaphragm Seal (Extended type) Seal -H ................for high pressure side* system -P ................for Master side (High pressure side)* location -S ................for Slave side (Low pressure side)* Seal fill fluid □...
Page 120 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Applicable for EJXC80A, EJAC80E, EJXC50A and EJAC50E. Applicable for EJXC40A. Hastelloy C-276 or N10276.
Page 121 7-74 <7. General Specifications> 8.4 ISO51 Clamp Extended type F66.ai Description Model Suffix Codes C30SE ................Direct Mount Hygienic Diaphragm Seal (Extended type) Seal system -H ................for high pressure side location Seal fill fluid □ ................. Refer to table 8h. Transmitter -S ..............for general use connection type -------- N ..............
Page 122 It is also possible that the diaphragm itself can be damaged and that material from the broken diaphragm and the fill fluid can contaminate the user’s process fluids. Be very careful with highly corrosive process fluids such as hydrochloric acid, sulfuric acid, hydrogen sulfide, sodium hypochlorite, and high temperature steam (150°C [302°F] or above). Contact Yokogawa for detailed information of the wetted parts material. Hastelloy C-276 or N10276. Electro polishing for all wetted parts (Diaphragm and Block).
Page 123 7-76 <7. General Specifications> 9. Flushing Connection Ring F67E.ai Model Suffix Codes Description C10FR ................Flushing connection ring System -H ................for high pressure side* location -L ................for Low pressure side* -P ................for Master side (High pressure side)* -S ................for Slave side (Low pressure side)* Structure S ...............
Page 124 7-77 <7. General Specifications> Accessories* Gasket Material [Hoop] [Filler]* (Spiral Gasket) C ....316 SST PTFE Teflon Gasket S ....316L SST PTFE Teflon H ....Hastelloy C-276* PTFE Teflon N ....None -------- N ... Always N Table 9a. Combination for C10FR and C0FW diaphragm material code C10FR Wetted parts material code “C”...
Page 125 7-78 <7. General Specifications> 10. Tank Spud Model Suffix Codes Description ................Tank Spud Extended -E ................. 2 inch (50 mm) for ISO 101.6 Clamp Length (L) -F ................. 4 inch (100 mm) for ISO 101.6 Clamp -J ................. 2 inch (50 mm) for ISO76.1 Clamp -K .................
Page 126 7-79 <7. General Specifications> 11. OPTIONAL SPECIFICATIONS ● EJXC80A, EJAC80E Diaphragm Seal System EJXC81A, EJAC81E Absolute Pressure Diaphragm Seal System Description Item Code Operating temperature Adjusting range: 80°C to Maximum temperature of specified fill fluid correction* Degrease cleansing treatment Oil-prohibited use Oil-prohibited use with Degrease cleansing and dehydrating treatment dehydrating treatment Material certificate Process connector (low pressure side) Process connector (High pressure side) Pressure test/ [Flange rating] [Test pressure]...
Page 127 7-80 <7. General Specifications> ● EJXC40A Digital Remote Sensored Diaphragm Seal System Description Item Code DRS Cable Cable length 15 m Cable length 30 m Cable length 45 m Oil-prohibited use Degrease cleansing treatment Oil-prohibited use with Degrease cleansing and dehydrating treatment dehydrating treatment Pressure test/ [Flange rating] [Test pressure] Leak test JIS 10K, 20K, 40K certificate*...
Page 128 7-81 <7. General Specifications> *1: The unit on the certificate is always Pa regardless of selection of option code D1, D3, or D4. Pure nitrogen gas is used for oil-prohibited use (option code K21 and K25). Applicable for extended type (Model code C20FE). *4: Applicable when C80FE or C20FE (extended type diaphragm seal) is specified with either/both high and low pressure side on transmitters. *5: Applicable when C20FE (extended type diaphragm seal) is specified with either/both master (high pressure side) and slave (low pressure side) on transmitters. Specify the process operating temperature for zero correction. Example: Zero correction by process temperature 90°C. *7: When combination type (Screw and Flange) is selected, apply flange side pressure value to test certificate.
Page 129 7-82 <7. General Specifications> ● C20FW, C20FE Direct Mount Flanged Diaphragm Seal Description Item Code Oil-prohibited use Degrease cleansing treatment Oil-prohibited use with Degrease cleansing and dehydrating treatment dehydrating treatment Material certificate Process flange, Block Flush type (C20FW) Process flange, Block, Diaphragm Process flange, Block, Pipe, Base Extended type (C20FE) Process flange, Block, Pipe, Base, Diaphragm Teflon film* Diaphragm protection from sticky process fluid by FEP Teflon film attached with fluorinated (Applicable for C20FW) oil. Operation range: 20 to 150°C, 0 to 2 MPa (Not applicable for vacuum service). ● C30SW, C30SE Direct Mount Hygienic Diaphragm Seal Description Item...
Page 130 7-83 <7. General Specifications>  DIMENSIONS (Differential Pressure, Transmitter Part) ● Remote Mounted Diaphragm Seal System, Remote Seal for High and Low Pressure Side [Transmitter Part: EJX110A, EJA110E Differential Pressure Transmitter] Unit: mm (approx. inch) Integral indicator 137(5.39) (optional) External indicator conduit connection 110(4.33) Conduit connection 89(3.50) (optional) 95(3.74) Zero adjustment Electrical connection (0.47) (1.54) for code 5, 9, A, and D. (2.13) (0.24) Terminal side...
Page 131 7-84 <7. General Specifications> ● Direct Mounted Diaphragm Seal System Unit: mm (approx. inch) Electrical connection (2.13) for code 5, 9, A, and D. (0.24) 67(2.64) Integral indicator External indicator 110(4.33) conduit connection (optional) Zero 95(3.74) (optional) adjustment Conduit connection (0.47) (1.54) Ground terminal Vent plug Drain plug Process connection (1.61)
Page 132 7-85 <7. General Specifications> ● Diaphragm Seal System, Combination of Direct Mount and Remote Mount Flanged Diaphragm Seal, with compensating capillary for High Pressure Side [Transmitter Part: EJX110A, EJA110E Differential Pressure Transmitter] Unit: mm (approx. inch) (2.13) (0.24) Electrical connection for code 5, 9, A, and D. Integral indicator 110(4.33) (optional) External indicator 95(3.74) Conduit connection conduit connection Zero adjustment Ground terminal (0.47) (1.54)
Page 133 7-86 <7. General Specifications>  DIMENSIONS (Gauge Pressure, Transmitter Part) ● Remote Mounted Diaphragm Seal System [Transmitter Part: EJX430A, EJA430E Gauge Pressure Transmitter] Unit: mm (approx. inch) (2.13) Electrical connection (0.24) for code 5, 9, A, and D. Integral indicator 137(5.39) (optional) 110(4.33) External indicator 89(3.50) Conduit connection conduit connection 95(3.74) (optional) Zero adjustment (0.47) (1.54)
Page 134 7-87 <7. General Specifications>  DIMENSIONS (Absolute Pressure, Transmitter Part) ● Remote Mounted Absolute Pressure Diaphragm Seal System [Transmitter Part: EJX310A, EJA310E Absolute Pressure Transmitter] Unit: mm (approx. inch) (2.13) (0.24) Electrical connection for code 5, 9, A, and D. 137(5.39) 110(4.33) 89(3.50) Integral indicator External indicator (optional) conduit connection (optional) Conduit connection 95(3.74) (0.47) (1.54) Zero adjustment Ground terminal 83(3.27) 2-inch pipe Mounting bracket...
Page 135 7-88 <7. General Specifications> ● Direct Mounted Diaphragm Seal System [Transmitter Part: EJX530A, EJA530E Process Connection Code P] For the transmitter part of digital remote sensored diaphragm seal system, refer to GS 01C25W05-01EN. Unit: mm (approx. inch) 110(4.33) Extenal indicator 95(3.74) Conduit connection Conduit connection (0.47) (1.54) (optional) (2.13) Integral indicator (optional) (0.24) Zero Ground terminal adjustment...
Page 136 7-89 <7. General Specifications>  DIMENSIONS (Diaphragm Seal Part and Accessories) ● C80FW Remote Mount Flanged Diaphragm Seal (Flash Type) [Raised Face (RF), Capillary Connected to the Side of Diaphragm Seal Unit] Unit: mm (approx. inch) With compensating capillary n-øh n-øh ød Low pressure side: High pressure side: Capillary diaphragm seal capillary compensating capillary length...
Page 137 7-90 <7. General Specifications> Unit: mm (approx. inch) Process flange size: 2-inch (50 mm) Flange Bolt holes Flange Standard Flange Rating øD øC øg ød Rating Code No.(n) Dia.(øh) Code JIS 10K 155(6.10) 120(4.72) 19(0.75) 16(0.63) 25(0.98) 100(3.94) 61(2.40) JIS 20K 155(6.10) 120(4.72) 19(0.75) 18(0.71) 25(0.98) 100(3.94) 61(2.40) JIS 30K 165(6.50) 130(5.12)
Page 138 7-91 <7. General Specifications> [Ring Joint (RJ), Capillary Connected to the Side of Diaphragm Seal Unit] Unit: mm (approx. inch) n-øh Groove number ød Capillary length F78E.ai Process flange size: 3-inch (80 mm) Flange Flange Bolt holes Groove Standard Rating Flange Rating øD øC ød øg No.(n) Dia.(øh) Code Code ANSI Class 300...
Page 139 7-92 <7. General Specifications> [Raised Face (RF), Capillary Connected to the Back of Diaphragm Seal Unit] Unit: mm (approx. inch) ød *1: Indicates inside diameter of gasket contact surface. With compensating capillary øD øD øC øC øg øg n-øh n-øh Capillary Low pressure side: length diaphragm seal capillary High pressure side:...
Page 140 7-93 <7. General Specifications> ● C80FE Remote Mount Flanged Diaphragm Seal (Extended Type) Unit: mm (approx. inch) With compensating capillary øD øD øC øC øg øg øA øA ø30(ø1.18) Capillary n-øh n-øh ø30 length (ø1.18) High pressure side: Low pressure side: compensating capillary diaphragm seal capillary *1: The specified capillary length includes the extension length (X ) and the flange thickness (t).
Page 141 7-94 <7. General Specifications> Unit: mm (approx. inch) Process flange size: 4-inch (100 mm) Flange Bolt holes Flange Standard Flange Rating øD øC øg øA Rating Code No.(n) Dia.(øh) Code JIS 10K 210(8.27) 175(6.89) 19(0.75) 155(6.10) 96±0.5(3.78±0.02) 18(0.71) JIS 20K 225(8.86) 185(7.28) 23(0.91) 155(6.10) 96±0.5(3.78±0.02) 24(0.94) JIS 30K 240(9.45) 195(7.68) 25(0.98)
Page 142 7-95 <7. General Specifications> ● C81FA, C82FA Remote Mount Inner Diaphragm Adapter Connection Seal [Raised Face (RF)] Unit: mm (approx. inch) C82FA Stud bolt (Nut included) øD With long vent Process øg Vent/Drain plugs Vent/Drain plugs m+24.5(0.96) m+109.5(4.31) ø106 (4.17) Capillary length Without plugs C81FA Stud bolt øD (Nut included) Process øg Vent/Drain plugs...
Page 143 7-96 <7. General Specifications> Unit: mm (approx. inch) [For general use (Flange usage code -S, -P)] Process flange size: 15A (1/2B) Flange Flange Standard Flange Rating øD øC øg Rating Code (Reference) Code JIS 10K 95(3.74) 70(2.76) 51(2.01) 52(2.05) 1(0.04) 50(1.97) M12×1.75 43(1.69) JIS 20K 95(3.74) 70(2.76) 51(2.01) 52(2.05)
Page 144 7-97 <7. General Specifications> Unit: mm (approx. inch) [For high temperature use (Flange usage code -H)] Process flange size: 15A (1/2B) Flange Flange Standard Flange Rating øD øC øg Rating Code (Reference) Code JIS 10K 120(4.72) 70(2.76) 51(2.01) 54.5(2.15) 1(0.04) 60(2.36) M12×1.75 43(1.69) JIS 20K 120(4.72) 70(2.76) 51(2.01) 54.5(2.15)
Page 145 7-98 <7. General Specifications> [Ring Joint (RJ)] Unit: mm (approx. inch) C82FA Stud bolt Process (Nut included) øD Groove Number With long vent øg Vent/Drain plugs Vent/Drain plugs m+2.45(0.96) m+109.5(4.31) ø106 (4.17) Capillary length Without plugs C81FA Groove Number Stud bolt øD (Nut included) Process øg...
Page 146 7-99 <7. General Specifications> Unit: mm (approx. inch) [For general use (Flange usage code -S, -P)] Process flange size: 15A (1/2B) Flange Flange Groove Standard Rating Flange Rating øD øC øg (Reference) number Code Code ANSI class 300 95.3(3.75) 66.5(2.62) 50.8(2.00) 56.4(2.22) 5.56(0.22) 50(1.97) 1/2-13UNC 44(1.73) ANSI class 600 95.3(3.75) 66.5(2.62) 50.8(2.00) 61.5(2.42) 5.56(0.22) 53(2.09)
Page 147 7-100 <7. General Specifications> ● C81FD, C82FD Remote Mount Inner Diaphragm Flanged Seal [Raised Face (RF)] Unit: mm (approx. inch) C82FD n-øh øD Process øg With long vent Vent/Drain plugs Vent/Drain plugs m+24.5(0.96) m+109.5(4.31) ø106 (4.17) Capillary length Without plugs C81FD øD Process øg n-øh Vent/Drain plugs m+24.5(0.96) ø106 (4.17) High pressure side Low pressure side...
Page 148 7-101 <7. General Specifications> Unit: mm (approx. inch) [For general use (Flange usage code -S, -P)] Process flange size: 15A (1/2B) Flange Flange Standard Rating Flange Rating øD øC øg øh Code Code JIS 10K 95(3.74) 70(2.76) 51(2.01) 108(4.25) 42(1.65) 12(0.47) 1(0.04) 53(2.09) 15(0.59) JIS 20K 95(3.74) 70(2.76) 51(2.01)
Page 149 7-102 <7. General Specifications> Unit: mm (approx. inch) [For high temperature use (Flange usage code -H)] Process flange size: 15A (1/2B) Flange Flange Standard Rating Flange Rating øD øC øg øh Code Code JIS 10K 95(3.74) 70(2.76) 51(2.01) 108(4.25) 51(2.01) 12(0.47) 1(0.04) 60(2.36) 15(0.59) JIS 20K 95(3.74) 70(2.76) 51(2.01)
Page 150 7-103 <7. General Specifications> [Ring Joint (RJ)] Unit: mm (approx. inch) C82FD n-øh Groove Number øD Process øg With long vent Vent/Drain plugs Vent/Drain plugs m+24.5(0.96) m+109.5(4.31) ø106 (4.17) Capillary length Without plugs C81FD n-øh øD Process øg Groove Number Vent/Drain plugs m+24.5(0.96) ø106 (4.17)
Page 151 7-104 <7. General Specifications> Unit: mm (approx. inch) [For general use (Flange usage code -S, -P)] Process flange size: 15A (1/2B) Flange Flange Groove Standard Rating Flange Rating øD øC øg øh number Code Code ANSI class 300 95.3(3.75) 66.5(2.62) 50.8(2.00) 124(4.88) 42(1.65) 14.3(0.56) 5.56(0.22) 53(2.09) 16(0.63) ANSI class 600 95.3(3.75) 66.5(2.62) 50.8(2.00) 124(4.88) 57(2.24) 14.3(0.56) 5.56(0.22) 53(2.09) 16(0.63)
Page 152 7-105 <7. General Specifications> ● C70SW Remote Mount Hygienic Diaphragm Seal (Flush type) Unit: mm (approx. inch) øD øg Capillary length F85E.ai ● C70SE Remote Mount Hygienic Diaphragm Seal (Extended Type) Unit: mm (approx. inch) øD ød øg Capillary length F86E.ai IM 01C25W01-01EN...
Page 153 7-106 <7. General Specifications> ● C20FW Direct Mount Flanged Diaphragm Seal (Flush type) Unit: mm (approx. inch) [For general use (Stay style code: S)] [For high temperature use (Stay style code: L)] 102(4.02) 72(2.83) (0.98) (0.98) n-øh Process flange [For EJXC50A, EJAC50E, and EJXC40A] *1: Indicates inside diameter of gasket surface. *2: 33 mm(1.3 inch) for Diaphragm material code and Sealing face material code U.
Page 154 7-107 <7. General Specifications> Unit: mm (approx. inch) Process flange size: 80A(3B) Flange Flange Bolt holes standards rating Flange rating øD øC øg ød No.(n) Dia.(øh) code code JIS 10K 185(7.28) 150(5.91) 130(5.12) 90(3.54) 18(0.71) 19(0.75) JIS 20K 200(7.87) 160(6.30) 130(5.12) 90(3.54) 22(0.87) 23(0.91) JIS 40K 210 (8.27) 170(6.69) 130(5.12) 90(3.54) 32(1.26) 23(0.91)
Page 155 7-108 <7. General Specifications> ● C20FE Direct Mount Flanged Diaphragm Seal (Extended type) Unit: mm (approx. inch) [For general use (Stay style code: S)] [For high temperature use (Stay style code: L)] 72(2.83) 102(4.02) 25(0.98) 25(0.98) Process flange n-øh [For EJXC50A, EJAC50E, or EJXC40A] øA øg øC øD [For high temperature use] [For EJXC80A or EJAC80E] 25(0.98) [For general use]...
Page 156 7-109 <7. General Specifications> Unit: mm (approx. inch) Process flange size: 100A(4B) Flange Flange Bolt holes standards rating Flange rating øD øC øg øA No.(n) Dia.(øh) code code JIS 10K 210(8.27) 175(6.89) 155(6.10) 18(0.71) 19(0.75) (3.78 ±0.5 ±0.02 JIS 20K 225(8.86) 185(7.28) 155(6.10) 24(0.94) 23(0.91) (3.78 ±0.5 ±0.02...
Page 157 7-110 <7. General Specifications> ● C30SW Direct Mount Hygienic Diaphragm Seal (Flush Type) Unit: mm (approx. inch) [For EJXC50A, EJAC50E, and EJXC40A] øg øD F89E.ai Process connection Industry øD øg standards code standard/size ISO76.1 91(3.58) 76.7(3.02) 97(3.82) 25(0.98) 250(9.84) 266(10.5) ISO101.6 119(4.69) 102.5(4.04) 97(3.82) 25(0.98) 250(9.84) 266(10.5) [For EJXC80A and EJAC80E] Process Connection Industry øD...
Page 158 7-111 <7. General Specifications> ● C30SE Direct Mount Hygienic Diaphragm Seal (Extended Type) Unit: mm (approx. inch) 90(3.54) (0.71) [For EJXC50A, EJAC50E, and EJXC40A] Process connection Industry øD ød øg standards code standard/size ISO76.1 91(3.58) 72(2.83) 77.4(3.05) ISO101.6 119(4.69) 101.6(4.00) 102.5(4.04) Extended length code 52 (2.05) 102 (4.02) øg ød øD F91E.ai [For EJXC80A and EJAC80E] 172(6.77)
Page 159 7-112 <7. General Specifications> ● C10FR Flushing Connection Ring Unit: mm (approx. inch) Straight type (raised face) Straight type (ring type joint) Reducer type (raised face) Straight type Reducer type Straight type (raised face) (raised face) (ring type joint) Spiral gasket Groove number Spiral gasket For flange size For flange size For flange size...
Page 160 Revision Information Title : Diaphragm Seal System  EJXC80A, EJAC80E, EJXC81A, EJAC81E, EJXC50A and EJAC50E Manual No. : IM 01C25W01-01EN  Edition Date Page Revised Item June 2016 — New publication Dec. 2016 Delete sections 1.3, 2.9 to 2.12, and chapter 5. (Those contents are to be referred to each transmitter’s manual from this edition.) Add model EJXC80A, EJAC80E, C80FW, C80FE, C81FA, C82FA, C81FD,...

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YOKOGAWA DPharp EJXC80A User Manual

1 Introduction

2 Handling Cautions

3 Component Names

4 Installation

5 Operation

6 Maintenance

7 General Specifications

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