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VRP-CH Series

Valve Regulator Pilots

Instruction Manual (Rev.A)

Baker Hughes Data Classification : Public

Содержание Becker VRP-CH Series

Страница 1: ...VRP CH Series Valve Regulator Pilots Instruction Manual Rev A Baker Hughes Data Classification Public...

Страница 2: ...R REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN...

Страница 3: ...l Models 27 175 600 CH Cap Assembly 28 1000 1500 CH Cap Assembly 29 List of Recommended Tools 29 Part Silhouettes 30 Introduction The Becker VRP CH series double acting pilot represents a breakthrough...

Страница 4: ...r Underpressure protection standby Relief valve Backpressure control Power plant type applications 1 Unique Bleed to Pressure System BPS Any large downstream systems city gate stations inter system pr...

Страница 5: ...t supplied with Becker actuators from Baker Hughes 2 inch pipe mount provided for retrofit to other manufacturers actuators Materials of Construction External Parts AL 2024 Anodized Aluminium 316 Stai...

Страница 6: ...kPa Beige 25 8238 2 0 psig 13 7 kPa 11 psig 75 8 kPa 23 psig 159 kPa 15 50 psig 103 345 kPa Burgundy 25 8239 3 0 psig 21 kPa 16 5 psig 114 kPa 35 psig 241 kPa 20 85 psig 138 596 kPa Pink 25 8240 6 4...

Страница 7: ...ome factory adjusted for your particular application The use of the adjustment procedures will be necessary upon installation of a rubber goods replacement kit or any other disassembly or reassembly o...

Страница 8: ...he proper False Signal pressure Additionally an SP series setpoint adjustment pump may be used to provide a False Signal pressure above the available pipeline gas pressure Note It is recommended that...

Страница 9: ...he sensitivity adjustment drum in the proper direction While the regulator is in control the cylinder top and cylinder bottom gauges may not be equal The cylinder balance pressure Pc is attained by av...

Страница 10: ...o periodically test the pilot to help ensure optimum performance We recommend the following procedure once a year 1 Close the cylinder block valves to prevent the control valve from moving 2 Close the...

Страница 11: ...wever common practice suggests that replacement of rubber goods on a five year cycle provides adequate preventative maintenance Parts Ordering The following is provided to allow the ordering of replac...

Страница 12: ...18 19 20 11 10 9 8 7 2 1 VRP CH BLANK ASSY NOTES 30 0010 0 2 4 6 0 2 4 6 REP DRAWING NUMBER REVISI0N BY DATE SEAT NOZZLE DESIGN REVISED DRAWN BY DATE SCALE APPR0VED BY 1 19 99 1 3 4 TS N A TS a ALL R...

Страница 13: ...x 1 2 SHCS Alloy FEP only 11 95 2671 O ring 141 12 30 7007 Std Tube Cap 13 25 1306 Yellow Spring 14 30 7002 Spring Cart for 75 600 CH 15 25 1062 Thrust Bearing 16 30 7006 Standard Bearing Case 17 30...

Страница 14: ...14 25 1306 Yellow Spring 15 25 1562 Grey Spring for 1500 CH 800 1300 psig 16 25 8073 Violet Spring for 1500 CH 1000 1500 psig 17 30 7023 Spring Cart for 1000 1500 CH 18 30 7006 Standard Bearing Case...

Страница 15: ...Jam Nut 316 2 25 1027 Diaphragm w Conv 3 25 1156 Bottom Spacer 4 95 2615 O rIng 012 5 25 1177 Bottom Piston Key Part Number Description 1 30 7016 Adapter Block 2 95 2665 O ring 145 3 98 3056 1 2 20 Ja...

Страница 16: ...city Qsrc 2Qc Variables Qsrc supply regulator capacity Cv 0 0869 calculated with n 6 Travel Time Minimum travel time the time the valve takes to move from one extreme position to another is achieved w...

Страница 17: ...eset Refer to the pilot initial adjustment procedures for further information Troubleshooting If the volume boosters bleed gas even when the control valve is not moving or if the control valve continu...

Страница 18: ...ustment Assembly Procedures Note During assembly moisten all O rings threads thrust bearings and the recess in the spring seat with lightweight silicone grease Take special care to avoid applying grea...

Страница 19: ...3 Baker Hughes Company All rights reserved Step 8 Place O ring 010 A in the adjusting orifice K2 Place the assembly in the orifice manifold M1 as shown Step 9 Place O ring 010 A in the nuts M2 and sec...

Страница 20: ...the pilot base A1 to the bottom part of the body C with six 1 4 20 x 3 4 inch screws A2 Step 11 Place Lexan cover B1 in the outside of the pilot base A1 so that it protects the adjusting drum P after...

Страница 21: ...nsion E onto the piston B Torque to 100 110 in lbs Figure 1 Assembling the diaphragm 175 CH Cartridge Assembly Insert 145 O ring F into the cartridge spacer G Place the cartridge spacer G between the...

Страница 22: ...ing groove in the bottom flange K as shown Place the spacer N inside the bottom flange K 175 CH Piston Assembly Place Diaphragm Assembly onto Spacer N Making sure not to twist Diaphragm C thread Pisto...

Страница 23: ...hes Company All rights reserved 175 CH Spring Chamber Assembly Bolt Spring Chamber H onto Cartridge Spacer G using six 6 Fiberglass Washers P and six 6 1 4 20 x 7 8 SHCS Q Bolt Bottom Flange K into Ca...

Страница 24: ...he pistons 600 CH Spring Chamber Assembly Bolt the spring chamber D to the top body assembly H using six 6 fiberglass washers J and six 6 1 4 20 x 2 inch SHCS K Figure 8 Bolting the spring chamber 600...

Страница 25: ...er K onto the top body assembly L Place the adapter block assembly onto the bottom spacer K Making sure not to twist the diaphragm C thread the small piston B into the outside piston M by holding the...

Страница 26: ...Press fit the thrust bearing A into the bearing case B For all other CH models press fit the thrust bearing A into the bearing case C Figure 13 Thrust bearing assembly Bearing Nut Assembly All Models...

Страница 27: ...pring J by spinning the assembly Make sure that the spring J touches no part of the screw E when spinning If the spring J does touch any part of the screw E then replace the spring J and repeat the te...

Страница 28: ...own When firm engagement of the cap B is felt orient the cap B so that the mounting holes are in line with the top body assembly F pressure ports Bolt the cap B to the spring chamber G using six 6 1 4...

Страница 29: ...cap assembly B to the spring chamber G using twelve 12 1 4 20 x 3 4 inch HHCS H Figure 22 Bolting the cap to the spring chamber 1000 1500 CH Thread Seal Assembly Place 7 16 inch SS thread seal I and 7...

Страница 36: ...and fitness for a particular purpose or use Baker Hughes hereby disclaims any and all liability for any direct indirect consequential or special damages claims for lost profits or third party claims...

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