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Becker VRP-B-CH Series Valve Regulator Pilot Instruction Manual | 18

© 2016 General Electric Company. All rights reserved.

4. Test the pilot body block (F) for leakage. Using 1/4-in NPT

plugs, plug the orifice block ports (K), and the gauge manifold
(N).

4a. Connect a pressure source to the orifice block (K) as

shown. Use approximately 100 psig for testing.

4b. With the pressure source activated, soap test around the

balanced valve assembly ( C) on both the bottom and the

top of the pilot. Place a bubble on the exhaust port and
check for leakage (cross drilled hole must be blocked in
order to check “EX” port)

4c If any leakage is detected, repeat the assembly procedure

from step 1.

4d. Remove all plugs from all blocks/manifolds (K and N).

K

C

F

N

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Содержание Becker VRP-B-1000-CH

Страница 1: ...GE Oil Gas Becker VRP B CH Series Valve Regulator Pilots Instruction Manual GE Data Classification Public ...

Страница 2: ...b GE Oil Gas 2016 General Electric Company All rights reserved ...

Страница 3: ...EGULATIONS APPLICABLE AT THE SITE AND THE PARTICULAR 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 CONNECTION WITH INSTALLATION OPERATIONORMAINTENANCE SHOULDFURTHERINFORMATIONBEDESIREDORSHOULDPARTICULAR PROBLEMS ARISE WHICH ARE NOT COVERED SUFFICI...

Страница 4: ...s to increase their performance while retaining simple operation and low maintenance Technical Assistance Should you have any questions please contact your local GE sales representative or technical assistance at GE Oil Gas Attn Becker Control Valves Technical Assistance 12970 Normandy Boulevard Jacksonville FL 32221 USA Tel 1 844 VALVE GE www geoilandgas com valves Page Introduction 1 Description...

Страница 5: ...4 percent Applications Primary pressure control Overpressure protection monitor Underpressure protection standby Relief valve Backpressure control Unique Bleed to Pressure System BPS when feature can be utilized Any large downstream systems city gate stations inter system pressure limiting Suction control to reciprocating compressors 1 Guidelines for Usage Large downstream systems City gate statio...

Страница 6: ...Parts AL 2024 Anodized Aluminium 316 Stainless Steel Internal Parts 316 Stainless Steel 2024 Anodized Aluminum Springs Plated steel Diaphragms Buna N with nylon reinforcement Seats and O Rings Buna N Tubing and Tubing Fittings 316 Stainless Steel Gauges 2 1 2 inch dial liquid filled brass connection w stainless steel case 1 standard issue with units of psig dual units of psig kPa available 1 Consu...

Страница 7: ... 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 psig 44 kPa 35 2 psig 243 kPa 65 psig 448 kPa 50 175 psig 345 1207 kPa Yellow 25 1306 23 psig 157 kPa 125 psig 862 kPa 125 psig 862 kPa VRP B 600 CH 5 40 psig 34 276 kPa Gold 25 8236 2 1 psig 14 6 kPa 11 5 psig 79 kPa 35 psig 241 kPa 25 140 psig 172 965 kPa Beige 25 8238 7 4 psig 51 kPa 41 psig 283 kPa ...

Страница 8: ...ve the bottom piston moves away from the balance valve plunger and maintains pressure on the bottom of the actuator cylinder This causes an increase in cylinder bottom pressure and a decrease in cylinder top pressure The pressure differential creates the force needed to close the valve and lessen the flow of gas When the control pressure returns to the setpoint the pilot output pressures automatic...

Страница 9: ...2 series non bleed sensor if equipped The DPS 2 non bleed sensor should be disabled prior to commencing initial adjustment procedures Failure to disable the DPS non bleed sensor may prevent initial adjustments from being completed properly To disable the DPS 2 series non bleed sensor s rotate the adjustment screw of the DPS 2 until it extends approximately 1 75 in from the top surface of the DPS 2...

Страница 10: ... psig With a change of the sensing pressure to 397 psig the cylinder bottom pressure should drop at least 20 psig If the Pilot sensitivity is greater than this bleed gas may further be reduced by turning the sensitivity again to insure the pilot meets the minimum criteria For VRP B CH pilots bleeding to a pressure system 10 Leave the pilot vent port attached to the system it normally discharges to...

Страница 11: ...d the direction of speed adjustment is correct the closing speed should be smaller than the opening speed In order to find the optimum setting try several combinations of adjustable orifice settings 2 If the swing of the regulator has increased change the direction of speed adjustment Reduce the top adjustable orifice controlling opening speed of the regulator to 3 and increase the bottom adjustab...

Страница 12: ...truction Note It is not necessary to replace any rubber goods in GE s Becker instrumentation or instrumentation accessories on a regular basis However common practice suggests that replacement of rubber goods on a five year cycle basis provides adequate preventative maintenance Parts Ordering The following is provided to allow the ordering of replacement parts Please specify the Becker instrument ...

Страница 13: ...ries Valve Regulator Pilot Instruction Manual 10 2016 General Electric Company All rights reserved Notes 1 Item no 1 Is torqued to 140 160 in lb 2 Items no 21 and 28 are torqued to 95 100 in lb VRP B CH Pilot Blank Parts ...

Страница 14: ... 95 2670 O Ring 115 8 30 7008 Cartridge Cap for 175 600 CH 9 98 3137 1 4 20 in x 3 4 in HHCS SS 10 2 98 3269 8 32 x 1 2 in SHCS Alloy FEP only 11 95 2671 O Ring 141 12 30 7007 Standard Tube Cap 13 25 1306 Yellow Spring 14 30 7002 Spring Cartridge for 75 600 CH 15 25 1062 Thrust Bearing 16 30 7006 Standard Bearing Case 17 30 7001 Bearing Nut 18 98 3213 1 2 in 20 in LH Jam Nut 316 19 98 3227 0 250 i...

Страница 15: ...00 CH 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 19 30 7027 Bearing Case for 1500 CH 20 30 7001 Bearing Nut 21 25 1062 Thrust Bearing 22 98 3227 250 x 500 Washer Fiberglass 23 98 3213 1 2 20 LH Jam Nut 316 24 98 3229 1 4 20 x 1 1 2 SCHS SS 25 3...

Страница 16: ... 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 Jam Nut 316 4 30 7015 Thread Extension 5 30 7010 Small Piston 6 30 7014 Small Washer 7 30 7011 Conv Diaphragm w Hole 8 95 2615 O ring 012 9 30 7058 Top Spacer 1 Stainless steel versions available 600 CH Sensing Assembly Anodized Aluminum 1 Part 30 00...

Страница 17: ...me Minimum travel time the time the valve takes to move from one extreme position to another is achieved when the signal deviates 5 or operation The monitor or standby regulator pilot travel time is governed by the flow capability of the supply orifice The control valve pilot travel time is governed by the exhaust capacity of the balanced valve This is shown as t1 below t1 0 148 x G T 460 S x D2 C...

Страница 18: ...ustment information NBV Series No Bleed Valve Achieves non bleeding conditions at both full open and full closed positions without any adjustment Selection based upon power gas pressure and discharge gas pressure DPS 2 Series Sensor Adjustments 1 Turn the adjusting screw of the DPS 2 sensor clockwise until it extends about 1 3 4 from the top of the spring cartridge 2 Adjust the VRP B CH according ...

Страница 19: ... bottom seat E 1b Insert the balanced valve assembly C with the stem facing downward 1c Insert the second balanced valve assembly C with the stem facing upward 1d Insert the second strainer D1 and the spacer D assembly 1e Insert the top seat rubber facing downward E 1f Secure the seat assembly to the pilot body block F with the two washers C1 seat cover B and two Phillips head machine screws A G H...

Страница 20: ...and secure the adjusting orifice K1 with nuts M1 in the orifice manifold K as shown 3 Seat the four 012 O rings L into the inlet and exhaust port recesses on the pilot body block F Note the orientation of the body in relation to the orifice block 3a Attach the orifice block K to the pilot body block F with two 1 4 20 x 2 1 2 in stainless steel HHCS J by lining it up with roll pins M in pilot body ...

Страница 21: ...e source to the orifice block K as shown Use approximately 100 psig for testing 4b With the pressure source activated soap test around the balanced valve assembly C on both the bottom and the top of the pilot Place a bubble on the exhaust port and check for leakage cross drilled hole must be blocked in order to check EX port 4c If any leakage is detected repeat the assembly procedure from step 1 4...

Страница 22: ...the outside piston U and into the groove near its base 6a Install one washer Z onto the shaft of the outside piston with the grooves facing upward 6b Install the convoluted diaphragm AA onto the shaft of the outside piston U as shown 6c Install one washer J onto the shaft of the outside piston U with the grooves facing downward 6d Assemble nut Y onto the outside piston U and torque it to 140 160 i...

Страница 23: ...Marking the diaphragm and the pilot body block F with a single line 8c Rotating the diaphragm assembly clockwise until it stops III 8d Marking the pilot body block F with a line extending from the existing line on the diaphragm 8e Centering the line on the diaphragm between the two existing lines on the pilot body block II 8f Keeping the diaphragm secure in the center of the lines fasten the sensi...

Страница 24: ...rque 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 diaphragm assembly and spring chamber H as shown in Figure 2 Slide the inner tube I through the spring chamber H Attach the thread extension E to the inner tube I using 1 2 20 SS jam nut J Torque the jam nut J to 100 110 in lbs ...

Страница 25: ... ring 046 K1 in the O ring 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 Piston B into Outside Piston O by holding Spring Chamber H and rotating Inner Tube I clockwise Inner Tube I is rotated with same socket wrench used to hold the Jam Nut J in the cartr...

Страница 26: ...rved 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 Cartridge Spacer G using eight 8 1 4 20 x 1 1 2 HHCS R Figure 5 Bolting the spring chamber ...

Страница 27: ... Figure 7 Connecting the 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 CH Chamber Assemblies 600 CH Top Spacer Assembly Orient Top Spacer G onto Top Body Assembly H Place dia phragm assembly onto Top Spacer G Making sure not to twist Diaphragm E th...

Страница 28: ...bly 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 spring chamber H and rotating the inner tube I clockwise The inner tube I is rotated with the same socket wrench used to hold the jam nut J in the adapter block assembly When the inner tube I cannot be rotated any more do not fo...

Страница 29: ...e Assembly For 1500 CH 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 Slide a 108 O ring D onto the adjusting screw E as shown in Figure 14 Slide the bearing case assembly onto the adjusting screw E Thread the aluminum bearing nut G onto the screw...

Страница 30: ...mbly 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 test If the spring J is satisfactory then move to tube cap assembly Figure 16 Spring concentricity test Tube Cap Assembly All Models Insert the control spring assembly into the spring chamber L Fasten the tube cap H or I to the in...

Страница 31: ...hile pushing the cap B down 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 20 x 3 4 inch HHCS H Figure 19 Bolting the cap to the spring chamber Figure 20 Finalizing the assembly 175 600 CH Thread Seal Assembly Place the 7 16 inch SS thread seal I and...

Страница 32: ...g 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 16 inch SS flat washer J onto the adjusting screw E After all necessary adjustments on the pilot are made thread the 7 16 inch SS jam nut K onto the adjusting screw E Be careful because overtightening the jam nut K may cause d...

Страница 33: ...Becker VRP B CH Series Valve Regulator Pilot Instruction Manual 30 2016 General Electric Company All rights reserved Parts Silhouettes ...

Страница 34: ...31 GE Oil Gas 2016 General Electric Company All rights reserved Parts Silhouettes ...

Страница 35: ...Becker VRP B CH Series Valve Regulator Pilot Instruction Manual 32 2016 General Electric Company All rights reserved 30 7011 SMALL DIAPHRAGM FOR 1000 1300 CH SENSING ASSEMBLY Parts Silhouettes ...

Страница 36: ...Fax 81 03 6890 4620 KOREA Phone 82 2 2274 0748 Fax 82 2 2274 0794 MALAYSIA Phone 60 3 2161 0322 Fax 60 3 2163 6312 MEXICO Phone 52 55 3640 5060 THE NETHERLANDS Phone 31 15 3808666 Fax 31 18 1641438 RUSSIA Veliky Novgorod Phone 7 8162 55 7898 Fax 7 8162 55 7921 Moscow Phone 7 495 585 1276 Fax 7 495 585 1279 SAUDI ARABIA Phone 966 3 341 0278 Fax 966 3 341 7624 SINGAPORE Phone 65 6861 6100 Fax 65 686...

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