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Sierra 830 Series Instruction Manual

Side-trak and auto-trak mass flow meters and controllers
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Sierra 830 Series Instruction Manual

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  • Page 1 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...
  • Page 2 Sierra Series 830/840/860 Side-Trak and Auto-Trak ™ ™ Mass Flow Meters and Controllers Instruction Manual Part Number IM-83/84/86 Revision G.6 - 10/08 CORPORATE HEADQUARTERS 5 Harris Court, Building L Monterey, CA 93940 Phone (831) 373-0200 (800) 866-0200 Fax (831) 373-4402 www.sierrainstruments.com...
  • Page 3 Series 830/840/860 Instruction Manual Customer Notice Sierra Instruments, Inc. is not liable for any damage or personal injury, whatso- ever, resulting from the use of Sierra Instruments standard mass flow meters or controllers for oxygen gas. You are responsible for determining if this mass flow meter or controller is appropriate for your oxygen application.
  • Page 4 Series 830/840/860 Instruction Manual Table of Contents IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 5: Table Of Contents

    Table of Contents Series 830/840/860 Instruction Manual Table of Contents Chapter 1 Introduction Introduction................1-1 Using this Manual...............1-1 Safety Information..............1-2 Receipt of System Components ..........1-2 Technical Assistance ............1-2 The Series 800 Flow Sensing Principle........1-3 Chapter 2 Installation Quick Installation Guide............2-1 Installation Overview ...............2-2 Installing the Transducer ............2-3 Compression Fittings............2-3 VCO Fittings ..............2-3...
  • Page 6 Series 830/840/860 Instruction Manual Table of Contents Electromagnetic Valves -Low and Medium Flow ..... 4-8 Electromagnetic Valves - High Flow ..........4-9 Motor-Operated Rotary Valves ............. 4-11 Valve Adjustment ..............4-12 Transducer Calibration ..............4-15 Chapter 5 Troubleshooting Troubleshooting Procedures ..............5-1 Frequently Asked Questions ..............
  • Page 7 Table of Contents Series 830/840/860 Instruction Manual IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 8: Troubleshooting Procedures

    Series 830/840/860 Instruction Manual Table of Contents Warnings and Cautions Warning! Follow National Electric Code or your local code safety practices when wiring or connecting this unit to a power source. Only qualified personnel should install and wire the transducer. Warning! Always remove main power before disassembling the transducer.

  • Page 9: Chapter 1 Introduction

    • 860M Auto-Trak Mass Flow Meter with RS-485 interface • 860C Auto-Trak Mass Flow Controller with RS-485 interface Sierra’s mass flow meters and controllers offer a broad range of sizes, control electronics, process connections, cables and connectors for flexibility and versatility. The meter’s patented straight sensor tube with access ports permits easy cleaning and reduces maintenance down-time.
  • Page 10 Chapter 1 Introduction Series 830/840/860 Instruction Manual Throughout this manual, we use the word transducer as a ge- neric term to represent all Side-Trak and Auto-Trak mass flow meters and controllers. IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 11: Safety Information

    If the problem persists after following the troubleshooting proce- dures outlined in Chapter 5, contact Sierra Instruments by fax or by E-mail (see inside front cover). For urgent phone support you may call (800) 866-0200 or (831) 373-0200 between 8:00 a.m. and 5:00 p.m.

  • Page 12: The Series 800 Flow Sensing Principle

    Series 830/840/860 Instruction Manual The Series 800 Flow Sensing Principle The operating principle of Sierra’s Side-Trak and Auto-Trak flow meters and controllers is based on heat transfer and the first law of thermodynamics. During operation process gas enters the instru- ment’s flow body and divides into two flow paths, one through the...
  • Page 13 For mass flow controllers, once the gas flows through the monitor- ing section, it is then controlled by the built-in servo-control valve. For flows up to 500 slpm, Sierra’s proprietary high-efficiency Fast- Trak Electromagnetic Valve is used. The normally closed Fast-...

  • Page 14: Chapter 2 Installation

    Series 830/840/860 Instruction Manual Chapter 2 Installation Chapter 2 Installation Quick-Installation Instructions For 830/840 L, M and H Meters And Controllers 1. NEVER TEST FOR LEAKS WITH LIQUID LEAK DETECTOR. If liquid seeps into the electronics or the sensor compartment below, the instrument may be damaged.

  • Page 15: Installation Overview

    Chapter 2 Installation Series 830/840/860 Instruction Manual Installation Overview ™ ™ Side-Trak and Auto-Trak transducers are supplied with either compression, VCO, VCR or NPT process connections. To ensure a successful installation, inlet and outlet tubing should be in a clean state prior to plumbing the transducer into the system.

  • Page 16: Installing The Transducer

    Series 830/840/860 Instruction Manual Chapter 2 Installation Installing the Transducer Follow the installation instructions that are applicable to your trans- ducer’s process connection. For all NPT and 1/2-inch size fittings, see the piping recommendations given on page 2-3. Before use, all Caution! plumbing should be checked carefully for leaks and the transducer Only qualified...

  • Page 17: Vcr Fittings

    Chapter 2 Installation Series 830/840/860 Instruction Manual VCR Fittings 1. Position the transducer with the flow direction arrow pointing downstream in the direction of flow. 2. Install new washers compatible with the gas to be used. (Do not mix or interchange parts of tube fittings made by different manufacturers.) 3.

  • Page 18: Wiring The Transducer

    If you are replacing another manufacturer’s transducer with a Sierra product, see the factory-supplied wiring supplement for instructions specific to your installation.
  • Page 19 Chapter 2 Installation Series 830/840/860 Instruction Manual IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 20: Wiring Transducers With 20-Pin Card Edge Connectors

    Series 830/840/860 Instruction Manual Chapter 2 Installation Wiring Transducers with 20-Pin Card-Edge Connectors Input Power Connections Figure 2-2. Input Power Connections (20-Pin Connector) Output Signal Connections Standard output for all transducers is a 0-5 V DC signal, which di- rectly corresponds to the0 to 100% mass flow full scale range. Output signals are linear and require a minimum load resistance of 1000 Ohms (4-20 mA output600 Ohms maximum loop resistance).
  • Page 21 Chapter 2 Installation Series 830/840/860 Instruction Manual Input Signal Connections (Controllers Only) The0-5 VDC (4-20 mA optional) set point command input signal allows you to set the flow to any desired value within the range of the controller. The set point input signal is a direct linear represen- tation of 0 to 100 percent of the controller’s mass flow full scale value.
  • Page 22 Series 830/840/860 Instruction Manual Chapter 2 Installation Valve Purge and Valve Off Connections (Controllers Only) Depending on the valve voltage, connect as shown below. 15 Volt Valve Purge Valve Off Open collector output Figure 2-6. Valve Purge and Valve Off (20-Pin Connector) 30 Volt Valve Purge +15V...
  • Page 23 Blue Valve off Yellow Yellow Figure 2-8. 20-Pin Connector Pin Designations Note: Prior to 2001, sierra supplied separate cables for controllers and meters. These are now combined into one style for 830/840 devices and one style for 860M/C. 2-10 IM-83/84/86-H...

  • Page 24: Wiring Transducers With 15-Pin D Connectors

    Series 830/840/860 Instruction Manual Chapter 2 Installation Wiring Transducers with 15-Pin D-Connectors Input Power Connections +15/0/-15 Power +15V Supply -15V Case Pin 3 connection for controllers only Figured 2-9. Input Power (15-Pin D-Connector) Note: Use separate, dedicated wires for pins 9 and 10 to the power supply com- mon on meters and pins 9,10 and 3 on controllers.
  • Page 25 Chapter 2 Installation Series 830/840/860 Instruction Manual Input Signal Connections (Controllers Only) A 0-5 VDC (4-20 mA optional) set point command inputs ignal allows you to set the f low to any desired value within the range of the controller. The set point input signal is a direct linear representation of 0 to 100 percent of the controller’s mass flow full scale value.
  • Page 26 Series 830/840/860 Instruction Manual Chapter 2 Installation Valve Purge and Valve Off Connections (Controllers Only) Depending on the valve voltage, connect as shown below. 15 Volt Valve Valve Off Open collector output Purge Figure 2-13. Valve Purge and Valve Off (15-Pin D-Connector) 30 Volt Valve Valve Off Open...
  • Page 27 +15 VDC supply Chassis ground (shield) Shield Figure 2-15. 15-Pin D-Connector Pin Assignments Note: Prior to 2001, Sierra supplied separate cables for controllers and meters. These are now combined into one style for 830/840 devices and one style for 860M/C 2-14 IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ...

  • Page 28: Motor-Operated Valve Circular 10-Pin Connector

    Series 830/840/860 Instruction Manual Chapter 2 Installation Motor-Operated Valve Circular 10-Pin Connector Figure 2-16. Motor-Operated Rotary Valve Connector (10-Pin Connector) Notes: 1. Both pin 2 and4 should be connected to the power supply common via separate, dedicated wires to assure no ground loops. 2.

  • Page 29: Chapter 3 Operation

    Chapter 3 Operation Chapter 3 Operation This chapter covers transducer operation and controller features ™ ™ available on Sierra’s Side-Trak and Auto-Trak models. For more information on the advanced digital RS-485 commands available on Auto-Trak transducers, refer to the Series 860 “Auto- Net”...

  • Page 30: Mass Flow Controller Operation

    Chapter 3 Operation Series 830/840/860 Instruction Manual Mass Flow Controller Operation Electromagnetic Valve Controllers When the transducer is installed and the system has undergone a complete leak check: Caution! During operation, the 1. Make sure the set point is zero before applying power. If the mass flow controller valve becomes hot.

  • Page 31: Motor-Operated Rotary Valve Controllers

    Series 830/840/860 Instruction Manual Chapter 3 Operation Motor-Operated Rotary Valve Controllers When the transducer is installed and the system has undergone a complete leak check: 1. Make sure the valve set point is zero before applying power. 2. Apply power. Allow thirty minutes of warm-up time. (When power is first applied, the output signal from the transducer remains fixed at a much higher than normal level until the sen- sor warms up to its normal operating temperature range.)

  • Page 32: Mass Flow Controller Features

    Chapter 3 Operation Series 830/840/860 Instruction Manual Mass Flow Controller Features Over-Range and Cold Sensor Lockout Circuit Side-Trak Models incorporate an over-range circuit which disables the output signal when the sensor is heating to its normal operating range, or if an over flow condition exists. The operation of this cir- cuit can be verified by observing the 5 VDC (20 mA) output signal during power up.

  • Page 33: On-Off Control And Soft Start Option

    Series 830/840/860 Instruction Manual Chapter 3 Operation On-Off Control and Soft Start Option On-off control is provided for all models equipped with an elec- tromagnetic valve. This feature is available by connecting a man- on-off switch to the transducer connector as shown in Chapter 2. Certain processes cannot tolerate the normally fast response of Si- erra mass flow controllers.

  • Page 34: Valve Purge Function

    +15 VDC. The maximum valve voltage is indicated in the “com- ments” field of the calibration certificate. A Sierra controller intended as a replacement for another manufac- turer’s controller may have Pin D and other pins disconnected. Some options may not be available.
  • Page 35 Series 830/840/860 Instruction Manual Chapter 3 Operation terial Safety Data Sheet must be enclosed with the unit upon its re- turn. IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 36: Chapter 4 Maintenance

    Series 830/840/860 Instruction Manual Chapter 4 Maintenance Chapter 4 Maintenance ™ ™ Side-Trak and Auto-Trak transducers essentially require no scheduled maintenance other than periodic flow path cleaning if the gas is dirty. If an in-line filter is used, the filtering element Caution! should be periodically be replaced or ultrasonically cleaned.

  • Page 37: Low Flow Transducer Lfe Cleaning

    Chapter 4 Maintenance Series 830/840/860 Instruction Manual Figure 4-1. Low Flow Transducer LFE Cleaning Low Flow Transducers: The LFE is accessed by unscrewing the main inlet fitting and re- moving it from the flow body. The LFE is screwed into the inlet fitting, which has been specially machined for this purpose.

  • Page 38: Medium Flow Transducer Lfe Cleaning

    Series 830/840/860 Instruction Manual Chapter 4 Maintenance Figure 4-2. Medium Flow Transducer LFE Cleaning Medium Flow Transducers: In the medium flow body, the LFE assembly consists of the honey- comb laminar flow element, inlet screen, 0.63 inch long standoff, two ranging washers, 2-1/4 inch long 4-40 screw and 4-40 nut. Range changes in the honeycomb element are made with various diameter ranging washers.
  • Page 39 Chapter 4 Maintenance Series 830/840/860 Instruction Manual Figure 4-3. High Flow Transducer LFE Cleaning High Flow Transducers: The high flow LFE is similar to the honeycomb element used in the medium flow body but larger in diameter. The high flow body con- sists of four parts: inlet tube, inlet cap, main flow body and end cap.
  • Page 40 Series 830/840/860 Instruction Manual Chapter 4 Maintenance Figure 4-4. NPT Transducer LFE Cleaning NPT-Type Transducers: The NPT flow body is comprised of a stainless steel pipe termi- nated on either end by an end cap sealed with an O-ring. The end caps are held in place by four tie rods which run the length of the flow meter and are fastened with eight 3/8-16 nuts and washers.

  • Page 41: Sensor Maintenance

    Cleaning is accomplished by simply rodding out the sensor with the Sensor Cleaning Stylette, part number “CK”, available from Caution! Sierra for this purpose. (A 0.020 inch to 0.028 inch diameter piano When using toxic or cor- wire may also be used.) To access the sensor for inspection or...
  • Page 42 To check the electrical integrity of the sensor windings: 1. Remove the unit from the system. 2. Remove the two 4-40 Phillips head screws located on top of the electronics enclosure and slide the enclosure up and off. Use a nut driver to remove the two standoffs supporting the printed circuit boards.

  • Page 43: Valve Maintenance

    Chapter 4 Maintenance Series 830/840/860 Instruction Manual Valve Maintenance Electromagnetic valves may require spring-tension adjustments for various reasons (See Valve Adjust Procedure). No maintenance is required under normal operating conditions other than an occa- sional cleaning. Use of certain corrosive gases may require fre- quent replacement of the valve plug and O-rings.

  • Page 44: Electromagnetic Valves - High Flow

    Series 830/840/860 Instruction Manual Chapter 4 Maintenance 4. The small circuit board may be separated from the main board to ease removal of the coil. To separate, first remove the plastic #4 mounting screw located in the center of the main circuit board and carefully pull the two boards apart.
  • Page 45 Chapter 4 Maintenance Series 830/840/860 Instruction Manual 3. Unscrew the coil cover with a 11/16 inch wrench. Remove the coil and coil enclosure. Note the location of any washers or spacers for re-assembly. 4. The small circuit board may be separated from the main board to ease removal of the coil.

  • Page 46: Motor-Operated Rotary Valves

    Series 830/840/860 Instruction Manual Chapter 4 Maintenance Motor-Operated Rotary Valves The electronic components in the Model 840 motorized valve flow controllers require no maintenance with the exception of the motor, which requires replacement when its service life has ended. This will be evidenced by “hunting,”...

  • Page 47: Valve Adjustment

    840 L, M and H series Valve Adjustment Procedure The Sierra 840 L, M and H (low, medium or high-flow units) con- trol the flow with a proportional electromagnetic valve that is set up for certain process conditions. Variables, which affect their op-...
  • Page 48 Series 830/840/860 Instruction Manual Chapter 4 Maintenance the no-leak condition). Now, adjust this screw clockwise one quar- ter turn past this point, tighten the locknut and replace the cap. Apply power and test the controller for proper operation. (Quick fix for oscillation). If your unit is experiencing oscillations at lower flows, apply power, apply the desired setpoint, and adjust the valve spring adjustment screw ¼...
  • Page 49 Notes: Adjusting the valve voltage does not change the calibration of the controller. If these adjustments do not obtain the desired operation, contact Sierra directly. 4-14 IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...

  • Page 50: Transducer Calibration

    Series 830/840/860 Instruction Manual Chapter 4 Maintenance Transducer Calibration Calibration of Sierra’s flow meters and controllers requires a cali- bration standard of at least equal accuracy and preferably an order Caution! of magnitude of at least four times better than the transducer. Si- It is important that this erra’s Cal-Bench Automated Primary Calibration System is the...

  • Page 51: Chapter 5 Troubleshooting

    It is not intended to be an all inclusive repair manual. In the case of major repairs, the unit should be returned to the fac- tory for service. Contact Sierra Customer Service for return Warning! shipping instructions (page 5-4).
  • Page 52 Chapter 5 Troubleshooting Series 830/840/860 Instruction Manual Flow Meters and Flow Controllers with Electromagnetic Valves Problem Possible Cause Solution No output Clogged sensor Clean or replace sensor PCB defective Repair or replace PCB Inlet filter screen clogged Clean or replace screen Unit will not zero Gas leak Find and correct leaks...
  • Page 53 Series 830/840/860 Instruction Manual Chapter 5 Troubleshooting Flow Controllers with Motor-operated Rotary Valves Problem Possible Cause Solution Valve “hunts” back and forth Pressure differential too great Reduce pressure continuously Motor coupling set screws loose Tighten set screws Valve motor failure Replace motor Valve rotates continuously Limit switch out of adjustment or bro-...

  • Page 54: Returning Equipment To The Factory

    Factory Calibration—All Models Sierra Instruments maintains a fully-equipped calibration laboratory. All measuring and test equipment used in the calibration of Sierra transducers are traceable to NIST Standards. Sierra is ISO-9001 registered and con- forms to the requirements of ANSI/NCSL-Z540 and ISO/IEC Guide 25.
  • Page 55 Series 830/840/860 Instruction Manual Chapter 5 Troubleshooting RETURN ADDRESS: Sierra Instruments, Inc. Attention: Factory Service Center 5 Harris Court, Building L Monterey, CA 93940 USA CUSTOMER SERVICE AND SUPPORT INFORMATION: Email Technical Support: service@sierrainstruments.com Email Sales: sales@sierrainstruments.com FACTORY USA (recommended):...

  • Page 56: Appendix A Conversion Formulas And Gas Tables

    Series 830/840/860 Instruction Manual Appendix A Appendix A Conversion Formulas and Gas Tables Conversion of Flow Rate to Other T and P Conditions The flow rate of your transducer is referenced to certain “standard” conditions of temperature and pressure. Unless otherwise specified in your order, these standard conditions are 21°C (70°F) and 760 mm of mercury (1 atmosphere).
  • Page 57 Appendix A Series 830/840/860 Instruction Manual 14.7 460 + 100 (10.00) = 3.47 lm 14.7 + 30 460 + 70 IM-83/84/86-H Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com...
  • Page 58 Series 830/840/860 Instruction Manual Appendix A Calculating For a Single Gas The following tables provide K-factors and thermodynamic prop- erties of gases commonly used with mass flow meters and control- lers. The purpose of these tables is two-fold: 1. Calibrating an “actual” gas with a reference gas. This is par- ticularly useful if the actual gas is not a common gas or if it is toxic, flammable, corrosive, etc.
  • Page 59 Appendix A Series 830/840/860 Instruction Manual Where: The constant amount of heat applied to the sensor tube, • m = The mass flow rate of the gas (gm/min) Cρ = The coefficient of specific heat of the gas (Cal/gm); Cρ is given in the Table (at 0°C), ∆T = The temperature difference between the downstream and upstream coils, and A correction factor for the molecular structure of the gas...
  • Page 60 The value from the tables is preferred because in many cases it was ob- tained by experiment. Sierra calibrates every transducer with primary standards using the actual gas or a molecular equivalent reference gas.
  • Page 61 Appendix A Series 830/840/860 Instruction Manual Calculating Dual Gas Mixtures Equation (6) is used for gas mixtures, but we must calculate N/ρC for the mixture. The equivalent values of ρ, C , and N for a dual gas mixture are given as follows: The equivalent gas density is: •...
  • Page 62 Series 830/840/860 Instruction Manual Appendix A Gas Tables and K - factors Chemical K-factor Density Elastomer Actual Gas Symbol Relative N2 (Cal/g) (g/l) @ 0°C O-ring* Valve Seat Acetylene .4036 1.162 1.00 .240 1.293 Allene (Propadiene) .352 1.787 Ammonia .492 .760 Argon 1.45...
  • Page 63 Appendix A Series 830/840/860 Instruction Manual Chemical K-factor Density Elastomer Actual Gas Symbol Relative N2 (Cal/g) (g/l) @ 0°C O-ring* Valve Seat Dichloromethylsilane .1882 5.758 SiCl Dichlorosilane .150 4.506 Dichlorotetrafluoroethane .1604 7.626 (Freon-114) 1,1-Difluoroethylene .224 2.857 (Freon-1132A) Dimethylamine .366 2.011 Dimethyl Ether .3414 2.055...
  • Page 64 Series 830/840/860 Instruction Manual Appendix A Chemical K-factor Density Elastomer Actual Gas Symbol Relative N2 (Cal/g) (g/l) @ 0°C O-ring* Valve Seat Methyl Mercaptan .2459 2.146 Methyl Trichlorosilane ) SiCl .164 6.669 Molybdenum Hexafluoride .1373 9.366 Monoethylamine .387 2.011 Monomethylamine .4343 1.386 Neon...
  • Page 65 Series 830/840/860 Instruction Manual Appendix B Specifications Appendix B Product Specifications Operating Specifications Gases All clean gases; specify when ordering Mass Flow Rates 0 to 10 sccm to 0 to 5600 slpm; flow ranges specified are for an equiva- lent flow of nitrogen at 760 mm Hg and 21°C (70°F); other ranges in other units are available (e.g.

  • Page 66: Appendix B Production Specifications

    Appendix B Specifications Series 830/840/860 Instruction Manual Control Range 840/860 (all sizes).. 2 to 100% of full scale; valve shuts between 1 to 2.5% of full scale 840 (NPT) ....10 to 100% of full scale Command Signal 0-5 VDC, 20 megaohms minimum input impedance 4-20 mA, 250 Ohms maximum input impedance, optional RS-485 digi- tal signal standard on Model 860C Output Signal...
  • Page 67 Series 830/840/860 Instruction Manual Appendix B Specifications Transducer Mounting Dimensions All dimensions are inches, millimeters are in parentheses. Certi ed drawings are avai l- able on request. Shaded portion of dimensional drawings indicates controller models. Low Flow Body Flow Range, 0 –10 sccm to 0 –15 slpm Process Tubing .25 (6.4) .562 -18 Thread (on Flow Body)
  • Page 68 Appendix B Specifications Series 830/840/860 Instruction Manual Medium Flow Body Flow Range, slpm 0–15 0–30 0–50, 100 0–100 Process .25 or .375 .25 or .375 .25 or .375 .375 Tubing (6.4 or 9.5) (6.4 or (6.4 or 9.5) (9.5) 9.5) .562 -18 Thread ( on Flow Body) Fitting Type Compression...
  • Page 69 Series 830/840/860 Instruction Manual Appendix B Specifications High Flow Body Flow Range, slpm 0–100 0–200 0–300 0–400 0–500 Process .375 or .50 .375 or .50 Tubing (9.5 or (9.5 or 12.7) (12.7) (12.7) (12.7) 12.7) .75 -16 Thread (on Flow Body) Fitting Type Compression VCO (male)
  • Page 70 Series 830/840/860 Instruction Manual Appendix B Specifications NPT Flow Body 830 Flow Range, SCFM 0–50 0–100 0–200 Inlet FNPT 1-inch 1.5 -inch 2-inch Outlet 1-inch 1.5 -inch 2-inch FNPT Dim. D 4.95 5.95 7.95 (125.7) (151.1) (201.9) Dim. H 10.72 11.72 13.78 (272.3)
  • Page 71 Appendix B Specifications Series 830/840/860 Instruction Manual NPT Flow Body 840 Flow Range, SCFM 0–50 0–100 0–200 Inlet FNPT 1-inch 1.5-inch 2-inch Outlet 3/4-inch 3/4-inch 1.5-inch FNPT Dim. A 2.92 (74.2) 4.30 (109.2) 6.64 (168.7) Dim. B 1.0 (25.4) 1.88 (47.8) 2.87 (72.9) Dim.
  • Page 72 Artisan Technology Group is your source for quality new and certified-used/pre-owned equipment SERVICE CENTER REPAIRS WE BUY USED EQUIPMENT • FAST SHIPPING AND DELIVERY Experienced engineers and technicians on staff Sell your excess, underutilized, and idle used equipment at our full-service, in-house repair center We also offer credit for buy-backs and trade-ins •...

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