1. Manuals
  2. Brands
  3. Vega Manuals
  4. Transmitter
  5. VEGADIF 85
  6. Operating instructions manual

Vega VEGADIF 85 Operating Instructions Manual

Differential pressure transmitter with metallic measuring diaphragm
Hide thumbs Also See for VEGADIF 85:
Table of Contents

Advertisement

Quick Links

Download this manual
Operating Instructions
Differential pressure transmitter with
metallic measuring diaphragm
VEGADIF 85
Profibus PA
Document ID: 53569

Advertisement

Table of Contents
loading

Related Manuals for Vega VEGADIF 85

Summary of Contents for Vega VEGADIF 85

  • Page 1 Operating Instructions Differential pressure transmitter with metallic measuring diaphragm VEGADIF 85 Profibus PA Document ID: 53569...

  • Page 2: Table Of Contents

    Parameterization ......................55 Save parameter adjustment data..................56 Set up sensor with other systems ..................57 DD adjustment programs ....................57 Set up measuring system ..................... 58 Level measurement ......................58 Flow measurement ......................60 VEGADIF 85 • Profibus PA...
  • Page 3 Safety instructions for Ex areas: Take note of the Ex specific safety instructions for Ex applications. These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions. Editing status: 2023-08-04 VEGADIF 85 • Profibus PA...

  • Page 4: About This Document

    Symbols used Document ID This symbol on the front page of this instruction refers to the Docu- ment ID. By entering the Document ID on www.vega.com you will reach the document download. Information, note, tip: This symbol indicates helpful additional infor- mation and tips for successful work.

  • Page 5: For Your Safety

    During work on and with the device, the required personal protective equipment must always be worn. Appropriate use VEGADIF 85 is an instrument for measurement of flow, level, differen- tial pressure, density and interface. You can find detailed information about the area of application in chapter "...

  • Page 6: Namur Recommendations

    The environment management system is certified according to DIN EN ISO 14001. Please help us fulfil this obligation by observing the environmental instructions in this manual: • Chapter " Packaging, transport and storage" • Chapter " Disposal" VEGADIF 85 • Profibus PA...

  • Page 7: Product Description

    To find order data, documents or software related to your device, you have the following options: • Move to " www.vega.com" and enter in the search field the serial number of your instrument. • Scan the QR code on the type label.

  • Page 8: Principle Of Operation

    With digital signal outputs, the static pressure is available as a separate measured value. – Fig. 2: Flow measurement with VEGADIF 85 and orifice, Q = flow, differential pressure Δp = p VEGADIF 85 • Profibus PA...
  • Page 9 Differential pressure measurement pressure lines. The device determines the differential pressure. Fig. 3: Measurement of the differential pressure in pipelines with VEGADIF 85, differential pressure Δp = p Density measurement With the help of the instrument, density measurement in a vessel with changing level and homogeneous density distribution can be easily realized.

  • Page 10: Supplementary Cleaning Procedures

    Differential pressure sensor Separating diaphragm Supplementary cleaning procedures The VEGADIF 85 is also available in the version " Oil, grease and silicone-free". These instruments have passed through a special cleaning procedure to remove oil, grease and paint-wetting impair- ment substances (PWIS).

  • Page 11: Packaging, Transport And Storage

    The integrated Bluetooth module (optional) enables wireless adjust- ment via standard adjustment devices. The interface adapter VEGACONNECT enables the connection of VEGACONNECT communication-capable instruments to the USB interface of a PC. VEGADIF 85 • Profibus PA...
  • Page 12 The suitable mounting accessories for VEGADIF 85 include oval flange adapters, valve blocks as well as mounting brackets. Chemical seal Through the use of chemical seals, VEGADIF 85 can also be used for corrosive, highly viscous or hot media. VEGADIF 85 • Profibus PA...

  • Page 13: Mounting

    This applies mainly to outdoor installations, in areas where high humidity is expected (e.g. through cleaning processes) and on cooled or heated vessels. Note: Make sure that during installation or maintenance no moisture or dirt can get inside the instrument. VEGADIF 85 • Profibus PA...
  • Page 14 Higher process temperatures often mean also higher ambient temperatures. Make sure that the upper temperature limits stated in chapter " Technical data" for the environment of the electronics hous- ing and connection cable are not exceeded. VEGADIF 85 • Profibus PA...

  • Page 15: Instructions For Oxygen Applications

    Recommendations for wiring of effective pressure lines are stated in the corresponding national and international standards. Connection Effective pressure lines are connected to the device via standard cut- ting ring screw connections with suitable thread. VEGADIF 85 • Profibus PA...

  • Page 16: Mounting And Connection Instructions

    Mounting and connection instructions Connection high/low When connecting VEGADIF 85 to the measuring point, take note of pressure side the high/low pressure side of the process component. The " H" identifies the high pressure side, the low pressure side due to an "...
  • Page 17 Process fitting Inlet valve Inlet valve Breather valve 3-fold valve block, flang- ing on both sides Fig. 10: Connection of a 3-fold valve block, flanging on both sides Process fitting Process fitting Inlet valve Inlet valve Breather valve VEGADIF 85 • Profibus PA...

  • Page 18: Measurement Setups

    Depending on the application, there may also be different arrange- ments. Note: For simplification, the effective pressure lines are partly shown with a horizontal course and sharp angles. For wiring, please observe the instructions in chapter " Mounting, Connection to the process" as well VEGADIF 85 • Profibus PA...
  • Page 19 Always connect the low pressure side above the max. level in the vessel • For measurement in products with solid content, such as e.g. dirty liquids, the installation of separators and drain valves is recom- mended. Debris and sediment can thus be collected and removed. VEGADIF 85 • Profibus PA...
  • Page 20 The condensate vessel ensures a constant pressure on the low pressure side • For measurement in products with solid content, such as e.g. dirty liquids, the installation of separators and drain valves is recom- mended. Debris and sediment can thus be collected and removed. VEGADIF 85 • Profibus PA...
  • Page 21 4.5.3 Flow In gases Fig. 16: Measurement setup with flow measurement of gases, connection via 3-fold valve block, flanging on both sides Orifice or impact pressure probe 3-fold valve block, flanging on both sides VEGADIF 85 VEGADIF 85 • Profibus PA...
  • Page 22 • Fill the effective pressure lines to the height of the condensate vessels before setup VEGADIF 85 • Profibus PA...
  • Page 23 Pipelines Blocking valves 3-fold valve block VEGADIF 85 • In vapour and conden- Mount device below the measurement loop so that some conden- sate plants sate can collect in the effective pressure lines. VEGADIF 85 • Profibus PA...
  • Page 24 Fig. 21: Measurement setup with differential pressure measurement in liquids e.g. filter Blocking valves 3-fold valve block Precipitator Drain valves VEGADIF 85 • When chemical seal Mount chemical seal with capillaries on top or laterally on the systems are used in all pipeline products VEGADIF 85 • Profibus PA...
  • Page 25 4 Mounting • In vacuum applications: Mount VEGADIF 85 below the measure- ment loop • The ambient temperature should be the same for both capillaries – Fig. 22: Measurement setup, differential pressure measurement in gases, vapours and liquids Chemical seal with slotted nut Capillaries E.g.
  • Page 26 Carry out max. adjustment for the differential pressure which is meas- ured at the height of the interface on the upper measurement point: Δp = ρ • g • h = 1000 kg/m³ • 9.81 m/s • 0.3 m = 2943 Pa = 29.43 mbar VEGADIF 85 • Profibus PA...

  • Page 27: Connecting To The Bus System

    Note: Prior to setup you have to replace these protective caps with ap- proved cable glands or close the openings with suitable blind plugs. VEGADIF 85 • Profibus PA...

  • Page 28: Connecting

    5. Insert the cable into the sensor through the cable entry Fig. 25: Connection steps 5 and 6 Single chamber housing Double chamber housing 6. Insert the wire ends into the terminals according to the wiring plan VEGADIF 85 • Profibus PA...

  • Page 29: Wiring Plans

    Selection switch for instrument address For external display and adjustment unit Ground terminal for connection of the cable screening 5.3.2 Double chamber housing The following illustrations apply to the non-Ex as well as to the Ex-ia version. VEGADIF 85 • Profibus PA...
  • Page 30 6 7 8 Fig. 28: Connection compartment - double chamber housing Voltage supply, signal output For display and adjustment module or interface adapter For external display and adjustment unit Ground terminal for connection of the cable screening VEGADIF 85 • Profibus PA...
  • Page 31 Ground terminal for connection of the cable screening 5.3.4 Housing IP66/IP68 (1 bar) Wire assignment, con- nection cable Fig. 31: Wire assignment in permanently connected connection cable Brown (+) and blue (-) to power supply or to the processing system Shielding VEGADIF 85 • Profibus PA...
  • Page 32 Cable gland for voltage supply Cable gland for connection cable, transmitter Terminal compartment, housing socket 1 2 3 4 Fig. 33: Connection of the process component in the housing base Yellow White Black Shielding Breather capillaries VEGADIF 85 • Profibus PA...

  • Page 33: Switch-On Phase

    Indication of a status message on the display or PC Then the actual measured value is output to the signal cable. The value takes into account settings that have already been carried out, e.g. default setting. VEGADIF 85 • Profibus PA...

  • Page 34: Set Up The Sensor With The Display And Adjustment Module

    The display and adjustment module is powered by the sensor, an ad- ditional connection is not necessary. Fig. 35: Installing the display and adjustment module in the electronics compart- ment of the single chamber housing VEGADIF 85 • Profibus PA...

  • Page 35: Adjustment System

    – Move to the menu overview – Confirm selected menu – Edit parameter – Save value • [->] key: – Change measured value presentation – Select list entry – Select menu items – Select editing position • [+] key: VEGADIF 85 • Profibus PA...

  • Page 36: Measured Value Indication

    With the [->] key you can move between three different indication tion modes. In the first view, the selected measured value is displayed in large digits. In the second view, the selected measured value and a respective bargraph presentation are displayed. VEGADIF 85 • Profibus PA...

  • Page 37: Parameter Adjustment - Quick Setup

    You can find a description of the individual steps in the quick setup guide of the sensor. You can find " Extended adjustment" in the next sub-chapter. Parameter adjustment - Extended adjustment For technically demanding measuring points, you can carry out extended settings in " Extended adjustment". VEGADIF 85 • Profibus PA...
  • Page 38 Hardware addressing is effective if an address less than 126 is set with the address selection switches on the electronics module of VEGADIF 85. In such case, software addressing has no effect - only the set hardware address applies. Software addressing Software addressing is only effective if address 126 or higher is set on the instrument with the address selection switches.
  • Page 39 Special characters +, -, /, - Application In this menu item you select the application. The VEGADIF 85 can be used for flow, differential pressure, density and interface measurement. The default setting is differential pressure measurement. Switchover is carried out in the adjustment menu.
  • Page 40 (offset). The position correction function compensates this offset. In the process the current measured value can be accepted automatically. VEGADIF 85 has two separate sensor systems: one sensor for dif- ferential pressure and one sensor for static pressure. The following possibilities thus result for position correction: •...
  • Page 41 The position correction can be repeated any number of times. Adjustment VEGADIF 85 always measures pressure independently of the process variable selected in the menu item " Application". To output the se- lected process variable correctly, an allocation of the output signal to 0 % and 100 % must be carried out (adjustment).
  • Page 42 Min. adjustment flow Proceed as follows: 1. Select the menu item " Setup" with [->] and confirm with [OK]. Now select with [->] the menu item " Min. adjustment" and con- firm with [OK]. VEGADIF 85 • Profibus PA...
  • Page 43 2. Edit the mbar value with [OK] and set the cursor to the requested position with [->]. 3. Set the requested mbar value with [+] and store with [OK]. 4. Change with [ESC] and [->] to the span adjustment The zero adjustment is finished. VEGADIF 85 • Profibus PA...
  • Page 44 2. Edit the percentage value with [OK] and set the cursor to the requested position with [->]. 3. Set the requested percentage value with [+] and save with [OK]. The cursor jumps now to the density value. 4. Enter the min. density corresponding to the percentage value. VEGADIF 85 • Profibus PA...
  • Page 45 [->]. 3. Set the requested percentage value with [+] and save with [OK]. The cursor jumps now to the height value. 4. Enter the min. height of the interface corresponding to the per- centage value. VEGADIF 85 • Profibus PA...
  • Page 46 Since the parameter adjustment of the Function Block 1 (FB1) is very comprehensive, it was divided into various submenu items. AI FB1 - Channel In menu item " Channel" you determine the input signal for further processing in AI FB 1. VEGADIF 85 • Profibus PA...
  • Page 47 The default setting is a damping of 0 s. In the menu item " Lock/unlock adjustment" you safeguard the sensor Lock/Unlock adjustment parameters against unauthorized or unintentional modifications. With active PIN, only the following adjustment functions are possible without entering a PIN: VEGADIF 85 • Profibus PA...
  • Page 48 • Czech • Turkish In delivery status, the VEGADIF 85 is set to English. Display value 1 and 2 - In this menu item, you define which measured value is displayed. bus systems The default setting for the displayed value is " Differential pressure".
  • Page 49 In this menu item you can simulate measured values. This allows the Simulation bus systems signal path to be tested, e.g. through downstream indicating instru- ments or the input card of the control system. VEGADIF 85 • Profibus PA...
  • Page 50 Totalizer 1 and 2: Reset of the summarized flow volumes with ap- plication "Flow" The following table shows the default values of the instrument. De- pending on the instrument version or application, all menu items may not be available or some may be differently assigned: VEGADIF 85 • Profibus PA...
  • Page 51 Number of positions after the decimal point, automatically Backlight Switched on Diagnostics Menu item Parameter Default value Device status Peak indicator, pressure Actual measured value Peak indicator, temper- Actual temperature values from measuring cell, elec- ature tronics Simulation Process pressure VEGADIF 85 • Profibus PA...
  • Page 52 The data are saved only after release. Characteristics values DP In this menu item, the units for the DP flow element are determined flow element and the selection of mass or volume flow is carried out. VEGADIF 85 • Profibus PA...
  • Page 53 PC. Profibus ident number In this menu item, the Profibus ident number of the sensor is dis- played. VEGADIF 85 • Profibus PA...

  • Page 54: Save Parameter Adjustment Data

    In the display and adjust- If the instrument is equipped with a display and adjustment module, ment module the parameter adjustment data can be saved therein. The procedure is described in menu item " Copy device settings". VEGADIF 85 • Profibus PA...

  • Page 55: Set Up Sensor With Pactware

    Further setup steps are described in the operating instructions manu- al " DTM Collection/PACTware" attached to each DTM Collection and which can also be downloaded from the Internet. Detailed descrip- tions are available in the online help of PACTware and the DTMs. VEGADIF 85 • Profibus PA...

  • Page 56: Save Parameter Adjustment Data

    The standard version is available as a download under www.vega.com/downloads and " Software". The full version is avail- able on CD from the agency serving you. Save parameter adjustment data We recommend documenting or saving the parameterisation data via PACTware.

  • Page 57: Set Up Sensor With Other Systems

    Set up sensor with other systems DD adjustment programs Device descriptions as Enhanced Device Description (EDD) are available for DD adjustment programs such as, for example, AMS™ and PDM. The files can be downloaded at www.vega.com/downloads under " Software". VEGADIF 85 • Profibus PA...

  • Page 58: Set Up Measuring System

    III Precipitator 1, 5 Drain valves 2, 4 Inlet valves Breather valve 6, 7 Vent valves on VEGADIF 85 A, B Blocking valves Proceed as follows: 1. Fill the vessel to just above the lower tap 2. Fill measuring system with medium...
  • Page 59 IV Condensate vessel 1, 5 Drain valves 2, 4 Inlet valves Breather valve 6, 7 Vent valves on VEGADIF 85 A, B Blocking valves Proceed as follows: 1. Fill the vessel to just above the lower tap 2. Fill measuring system with medium...

  • Page 60: Flow Measurement

    Fig. 45: Prefered measurement setup for gases, connection via 3-fold valve block, flanging on both sides VEGADIF 85 3-fold valve block 2, 4 Inlet valves Breather valve 6, 7 Vent valves on VEGADIF 85 Liquids – Fig. 46: Preferred measurement setup for liquids VEGADIF 85 3-fold valve block...
  • Page 61 Valves A and B open 6. Carry out position correction, if flow can be blocked. In this case, step 5 is not required. Arrangement with 5 valves. Valves 1, 3, 5: Configuration with 5 valves. VEGADIF 85 • Profibus PA...

  • Page 62: Diagnosis, Asset Management And Service

    Event memory Up to 500 events are automatically stored with a time stamp in the sensor (non-deletable). Each entry contains date/time, event type, event description and value. Event types are for example: VEGADIF 85 • Profibus PA...

  • Page 63: Asset Management Function

    (e.g. electronics temperature). This status message is inactive by default. Maintenance required: Due to external influences, the instrument function is limited. The measurement is affected, but the measured value is still valid. Plan in VEGADIF 85 • Profibus PA...
  • Page 64 Bit 10 tance, adjustment units with Installation/Setup error Modify connected sensor config- application process pressure) for uration or application selected application Invalid sensor configuration (e.g.: application electronic differential pressure with connected differen- tial pressure measuring cell) VEGADIF 85 • Profibus PA...
  • Page 65 Bit 19 Error at a device inter- Send instrument for repair face M507 Error during setup Carry out reset and repeat setup Bit 22 Error in the instrument Error when carrying out a reset settings VEGADIF 85 • Profibus PA...

  • Page 66: Rectify Faults

    24 hour service hotline Should these measures not be successful, please call in urgent cases the VEGA service hotline under the phone no. +49 1805 858550. The hotline is also available outside normal working hours, seven days a week around the clock.

  • Page 67: Exchange Process Module On Version Ip68 (25 Bar)

    During exchange, protect the inner side of the parts against contami- nation and moisture. Proceed as follows when carrying out the exchange: 1. Losen the fixing screw with the hexagon key wrench 2. Carefully detach the cable assembly from the process module VEGADIF 85 • Profibus PA...

  • Page 68: Exchanging The Electronics Module

    10 Diagnosis, asset management and service Fig. 48: VEGADIF 85 in IP68 version, 25 bar and lateral cable outlet, external housing Process module Plug connector Fixing screw Cable assembly Connection cable External housing 3. Loosen the plug connector 4. Mount the new process module on the measuring point 5.

  • Page 69: How To Proceed If A Repair Is Necessary

    Clean the instrument and pack it damage-proof. Send the printed instrument return form and possibly a safety data sheet together with the device. You will find the address for the return on the generated instrument return form. VEGADIF 85 • Profibus PA...

  • Page 70: Dismount

    If personal data is stored on the old device to be disposed of, delete it before disposal. If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. VEGADIF 85 • Profibus PA...

  • Page 71: Supplement

    DIN 931 M8 x 85 A4-70 (1.4404/316L), hexagon nut DIN 934 M8 A4-70 (1.4404/316L) Ʋ Ground terminal 316Ti/316L Ʋ Connection between IP68 transmitter PE, PUR and external electronics housing Note deviating process temperature limits Glass with Aluminium and stainless steel precision casting housing VEGADIF 85 • Profibus PA...
  • Page 72 -45 psig … +45 psig -5.4 psig … +5.4 psig 240 psig -240 psig … +240 psig -288 psig … +288 psig 580 psig -580 psig … +580 psig -696 psig … +696 psig 4 layers PTFE VEGADIF 85 • Profibus PA...
  • Page 73 Secondary Value 1 (pressure) Ʋ 3. FB Secondary Value 2 (pressure in %) Current value Ʋ Non-Ex, Ex-ia and Ex-d instruments 12 mA, ±0.5 mA Dynamic behaviour output Dynamic characteristics depending on medium and temperature VEGADIF 85 • Profibus PA...
  • Page 74 Via the digital output signal (depending on the electron- ics version) Reference conditions and influencing variables (according to DIN EN 60770-1) Reference conditions according to DIN EN 61298-1 Ʋ Temperature +18 … +30 °C (+64 … +86 °F) Ʋ Relative humidity 45 … 75 % VEGADIF 85 • Profibus PA...
  • Page 75 160 bar (16000 kPa) 500 mbar (50 kPa)/7.3 psi resp. 3 bar (300 kPa)/43.51 psi 400 bar (40000 kPa) 16 bar (1600 kPa)/232.1 psi Flow > 50 % Measuring range end, absolute pressure Root characteristic VEGADIF 85 • Profibus PA...
  • Page 76 < ±0.15 % + 0.15 % x TD < ±0.15 % + 0.20 % x TD Thermal change zero signal and output span, static pressure Root characteristic Relating to the adjusted span. Relating to the measuring range end value. VEGADIF 85 • Profibus PA...
  • Page 77 < 0.15 % x TD Static pressure < ±0.065 % < ±0.1 % < ±0.15 % Measuring range end, absolute pressure. Measuring range end, absolute pressure. Relating to the adjusted span. Relating to the measuring range end value. VEGADIF 85 • Profibus PA...
  • Page 78 5802 psig 5802 psig 9137 psig 240 psig Mechanical stress With entry into the process fitting, connection via valve block, brief venting, no permanent flow through the measuring chambers Reference temperature +25 °C (+77 °F). VEGADIF 85 • Profibus PA...
  • Page 79 Ʋ Diameter approx. 8 mm (0.315 in) Ʋ Colour - version PE Black Ʋ Colour - version PUR Blue 2 g with housing version stainless steel double chamber IP66/IP68 (0.2 bar), only with absolute pressure. VEGADIF 85 • Profibus PA...
  • Page 80 -40 … +85 °C (-40 … +185 °F) Resolution < 0.1 K Deviation ± 3 K Availability of the temperature values Ʋ Indication Via the display and adjustment module Ʋ Output Via the respective output signal VEGADIF 85 • Profibus PA...
  • Page 81 Altitude above sea level Ʋ by default up to 2000 m (6562 ft) Ʋ with connected overvoltage protection up to 5000 m (16404 ft) Pollution degree Protection rating (IEC 61010-1) When used with fulfilled housing protection. VEGADIF 85 • Profibus PA...

  • Page 82: Device Communication Profibus Pa

    DTM software. By default, the sensor operates with the manufacturer-specific ID number. When using the instruments on a segment coupler SK-2 or SK-3, no special GSD files are required. The following table shows the instrument ID and the GSD file names for the VEGADIF 85. Device name...
  • Page 83 12 Supplement Fig. 50: VEGADIF 85: Block diagram with AI FB 1 … AI FB 3 OUT values TB Transducer Block FB Function Block Analogue Input Module of the PA sensors For the cyclic data traffic, VEGADIF 85 provides the following modules: •...
  • Page 84 Fig. 52: Data format of the measured value Coding of the status byte associated with the PA output value You can find further information for the coding of the status byte in the Device Description 3.02 on VEGADIF 85 • Profibus PA...

  • Page 85: Calculation Of The Total Deviation

    0 x 8e good (non-cascade) - ac- Hi-Hi-Alarm tive critical alarm - high limited 12.3 Calculation of the total deviation The total deviation of a pressure transmitter indicates the maximum measurement error to be ex- VEGADIF 85 • Profibus PA...

  • Page 86: Calculation Of The Total Deviation - Practical Example

    12.4 Calculation of the total deviation - Practical example Data Differential pressure 250 mbar (25 KPa), medium temperature on the measuring cell 60 °C VEGADIF 85 with measuring range 500 mbar The required values for the temperature error F , deviation F...

  • Page 87: Dimensions, Versions Process Component

    The causes are temperature influence and turn down. 12.5 Dimensions, versions process component The following dimensional drawings represent only an extract of the possible versions. Detailed Relating to the adjusted span. Relating to the measuring range end value. VEGADIF 85 • Profibus PA...
  • Page 88 12 Supplement dimensional drawings can be downloaded at www.vega.com under " Downloads" and " Drawings". Plastic housing ~ 69 mm ~ 84 mm (2.72") (3.31") ø 79 mm ø 79 mm (3.11") (3.11") M16x1,5 M20x1,5/ ½ NPT M20x1,5/ ½ NPT...
  • Page 89 ø 77 mm ø 84 mm (3.31") (3.31") (3.03") M16x1,5 M20x1,5 M20x1,5 M20x1,5 M20x1,5/ ½ NPT Aluminium - single chamber Stainless steel single chamber (precision casting) Aluminium double chamber, stainless steel double chamber (precision casting) VEGADIF 85 • Profibus PA...
  • Page 90 110 mm (4.33") ~ 66 mm (2.6") ø 41,6 mm (1.64") 110 mm x 90 mm (4.33" x 3.54") Fig. 53: External housing Lateral cable outlet Cable outlet axial Plastic single chamber Stainless steel single chamber VEGADIF 85 • Profibus PA...
  • Page 91 12 Supplement Ventilation on process axis 80 mm 54 mm (3.15") (2.13") 86 mm (3.36") Fig. 54: VEGADIF 85, ventilation on process axis Connection Fastening Material Scope of delivery ¼-18 NPT, IEC 61518 7/16-20 UNF 316L ¼-18 NPT, IEC 61518 7/16-20 UNF Alloy C276 (2.4819)
  • Page 92 (2.13") (2.13") 86,1 mm 86,1 mm (3.39") (3.39") Fig. 56: left: Process fitting VEGADIF 85 prepared for chemical seal assembly. right: Position of the copper ring seal Chemical seal connection Copper ring seal Separating diaphragm VEGADIF 85 • Profibus PA...

  • Page 93: Industrial Property Rights

    Les lignes de produits VEGA sont globalement protégées par des droits de propriété intellec- tuelle. Pour plus d'informations, on pourra se référer au site www.vega.com. VEGA lineas de productos están protegidas por los derechos en el campo de la propiedad indus- trial. Para mayor información revise la pagina web www.vega.com.
  • Page 94 Notes VEGADIF 85 • Profibus PA...
  • Page 95 Notes VEGADIF 85 • Profibus PA...
  • Page 96 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2023 VEGA Grieshaber KG Am Hohenstein 113 Phone +49 7836 50-0 77761 Schiltach E-mail: info.de@vega.com...

Table of Contents