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EM35MR1/3171A Gas Valve 

Manual 26731 

 

 

 

36 

Woodward 

 

 

 

Содержание 3171A

Страница 1: ...Product Manual 26731 Revision D 5 2017 Original Instructions EM35MR1 3171A Gas Valve Installation and Operation Manual...

Страница 2: ...amage to the equipment Any such unauthorized modifications i constitute misuse and or negligence within the meaning of the product warranty thereby excluding warranty coverage for any resulting damage...

Страница 3: ...4 ACTUATOR VALVE CALIBRATION 15 EM35MR1 Actuator 3171 Gas Valve with Driver 15 CHAPTER 5 TROUBLESHOOTING 16 General 16 Procedure for EM35 Actuator Field Replacement 16 CHAPTER 6 VALVE SIZING NON DLE...

Страница 4: ...5MR1 Actuator 3171A Gas Valve Position Switch Resolver 10 Figure 2 4 DVP Driver Drawing 11 Figure 2 5 Plant Wiring Diagram 12 Figure 3 1 Conduit Plug M25 Shown Warning Label 14 Table 6 1 Effective Are...

Страница 5: ...verspeed shutdown device to protect against runaway or damage to the prime mover with possible personal injury loss of life or property damage The overspeed shutdown device must be totally independent...

Страница 6: ...nd Protection of Electronic Controls Printed Circuit Boards and Modules Follow these precautions when working with or near the control 1 Avoid the build up of static electricity on your body by not we...

Страница 7: ...to Pressure Equipment Directive 2014 68 EU on the harmonisation of the laws of the Member States concerning pressure equipment ATEX Valve Exempt from the non electrical portion of the ATEX Directive 2...

Страница 8: ...0039 inch Actuator Adaptor Plate to Housing Per drawing 9989 4011 The max gap permitted on this flat joint is 0 099 mm 0 0039 inch Resolver Cover to Housing Per drawing 9989 4013 The max gap permitted...

Страница 9: ...ns are intended to alert equipment operators of a potentially unsafe condition and to protect against personal injury loss of life or property damage Valve position error alarm and shutdown thresholds...

Страница 10: ......

Страница 11: ...eakage and to self clean the metering port Metering port area is determined by input shaft positioning from the actuator The valve has an internal spring to return the valve to the minimum fuel positi...

Страница 12: ...y the motor to the cast explosion proof housing and out to the ambient environment Wiring to the motor is accomplished through two 0 750 14 NPT conduit connections or two M25 x 1 5 conduit connections...

Страница 13: ...n or around the 3171 Gas Valve assembly The surface of this product can become hot enough or cold enough to be a hazard Use protective gear for product handling in these circumstances Temperature rati...

Страница 14: ...oard drain gas volume increases as temperatures drop below 0 C 32 F Plan the vent system taking temperature affects into consideration It is recommended that the end of the drain line outside the encl...

Страница 15: ...osphere Conduit seals are required Refer to the Special Conditions for Safe Use stated on page v EXPLOSION HAZARD For Zone 1 Division 1 products Proper torque is very important to ensure that the unit...

Страница 16: ...t of the 10 pole WAGO terminal block The actuator power wires should go through the other wiring connection The terminal blocks provided for the motor resolver wires and the position resolver are WAGO...

Страница 17: ...Manual 26731 EM35MR1 3171A Gas Valve Woodward 7 Figure 2 2a EM35MR1 Actuator 3171A Gas Valve Resolver NPT electrical conduit entries...

Страница 18: ...EM35MR1 3171A Gas Valve Manual 26731 8 Woodward Figure 2 2b EM35MR1 Actuator 3171A Gas Valve Resolver NPT electrical conduit entries...

Страница 19: ...Manual 26731 EM35MR1 3171A Gas Valve Woodward 9 Figure 2 3a EM35MR1 Actuator 3171A Gas Valve Position Switch Resolver metric electrical conduit entries...

Страница 20: ...EM35MR1 3171A Gas Valve Manual 26731 10 Woodward Figure 2 3b EM35MR1 Actuator 3171A Gas Valve Position Switch Resolver metric electrical conduit entries...

Страница 21: ...Manual 26731 EM35MR1 3171A Gas Valve Woodward 11 Figure 2 4 DVP Driver Drawing...

Страница 22: ...EM35MR1 3171A Gas Valve Manual 26731 12 Woodward Figure 2 5 Plant Wiring Diagram...

Страница 23: ...d geartrains and results in precise position control Having the feedback on the valve also allows for the motor to be repaired or replaced in the field without any loss of calibration The entire motor...

Страница 24: ...ly should be properly protected from this water spray 2 Conduit Fittings Woodward recommends that rigid or flexible conduit be used to route the actuator wiring Woodward also recommends that water tig...

Страница 25: ...entification serial number and date code must match the valve identification For DLE systems significant turbine damage high emissions levels release of high temperature gas fire damage to nearby equi...

Страница 26: ...ault information Overcurrent trips experienced by the driver can be caused by driving the valve into or operating too close to the mechanical stops These stop screws are used for calibration purposes...

Страница 27: ...n be viewed through the long vertical slot in the adapter housing 2 Using the 3 16 ball hex driver loosen the socket head cap screw that clamps the coupling assembly to the EM35 output shaft Do not lo...

Страница 28: ...en everything is in position first slip the actuator shaft into the coupling assembly then line up the pins of the actuator with the adjacent holes in the adapter housing The actuator should mate up w...

Страница 29: ...he gas 1 300 typical for standard natural gas at 60 F Sg Specific gravity relative to air for the gas 0 60 typical for standard natural gas Flow Valve metered flow lb h T Temperature of the gas Deg Ra...

Страница 30: ...list the valve effective area for pressure ratios P2 P1 from 0 05 to 0 95 respectively To pick the proper size valve for an application move to the sheet that has a value for effective area greater t...

Страница 31: ...nd Application Program The algorithm used for sizing and demand value determination used in the standard valve application programs available for the 3171A is basically the same as that described abov...

Страница 32: ...Table 6 1 Effective Area Table 0 45 port Valve angle Resolver Feedback Angle Resolve Offset Angle Resolver Offset Angle 20 degrees 4 mA 0 valve angle 0 valve position 20 resolver angle min stop 2 deg...

Страница 33: ...Table 6 2 Effective Area Table 0 56 port Valve angle Resolver Feedback Angle Resolve Offset Angle Resolver Offset Angle 20 degrees 4 mA 0 valve angle 0 valve position 20 resolver angle min stop 2 deg...

Страница 34: ...Table 6 3 Effective Area Table 0 80 port Valve angle Resolver Feedback Angle Resolve Offset Angle Resolver Offset Angle 20 degrees 4 mA 0 valve angle 0 valve position 20 resolver angle min stop 2 deg...

Страница 35: ...ntenance schedule Each site must determine the appropriate schedule based on the severity of the service conditions Inspect for dirt grease dust or other buildup in the areas of moving parts or joints...

Страница 36: ...documentation for details Woodward Business Partner Support Woodward works with and supports a global network of independent business partners whose mission is to serve the users of Woodward controls...

Страница 37: ...Distributor Charges for the Replacement Exchange service are based on a flat rate plus shipping expenses You are invoiced the flat rate replacement exchange charge plus a core charge at the time the...

Страница 38: ...nical Support Product Training Field Service Technical Support is available from your equipment system supplier your local Full Service Distributor or from many of Woodward s worldwide locations depen...

Страница 39: ...213 2191 Korea 82 51 636 7080 The Netherlands 31 23 5661111 Poland 48 12 295 13 00 United States 1 970 482 5811 You can also locate your nearest Woodward distributor or service facility on our websit...

Страница 40: ...natural gas Gas pressure 0 to 6205 kPa 0 to 900 psia Electrical Motor Voltage 28 Vdc nominal 18 32 Vdc operating Motor Current 15 A continuous 37 A peak current for 50 ms System Accuracy Using 485 or...

Страница 41: ...ated Declarations Changes in Revision C Added DVP Driver drawing Figure 2 4 Changes in Revision B Added Effective Area tables for 0 45 0 56 and 0 80 ports at the end of Chapter 6 Changes in Revision A...

Страница 42: ...EM35MR1 3171A Gas Valve Manual 26731 32 Woodward Declarations...

Страница 43: ...Manual 26731 EM35MR1 3171A Gas Valve Woodward 33...

Страница 44: ...EM35MR1 3171A Gas Valve Manual 26731 34 Woodward...

Страница 45: ...Manual 26731 EM35MR1 3171A Gas Valve Woodward 35...

Страница 46: ...EM35MR1 3171A Gas Valve Manual 26731 36 Woodward...

Страница 47: ...O 80522 1519 USA 1041 Woodward Way Fort Collins CO 80524 USA Phone 1 970 482 5811 Email and Website www woodward com Woodward has company owned plants subsidiaries and branches as well as authorized d...

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