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Becker VRP-SB-PID Series Natural Gas Controllers Instruction Manual | 44

© 2016 General Electric Company. All rights reserved.

QQQ

RRR

TT

RRR

TTT

SSS

ASSEMBLY

FROM

STEP 56C

FFF

Figure 44

TOP VIEW

SIDE VIEW

PORT IS AT

10 O’CLOCK

10:00

BOTTOM

SPACER(SSS)

ORIENTATION

FRONT VIEW

LL

ASSEMBLY

FROM

STEP 51D

SSS

DIAPHRAGM

ASSEMBLY #1

Figure 43

C. For a VRP-1000/1500-SB-PID, place the Bottom Spacer

(SSS) below the Adapter Block (HHH). Thread the Small
Piston (ll) from Diaphragm Assembly #1 into the Small
Piston (LL) from Step 51D. Thread the Small Piston (II) all
the way by hand until it stops.

DO NOT use a wrench.

D. Fasten the assembly from Step 56C to the Top Feedback

Chamber (TT) using 6 Fiberglass Washers (RRR) and
6, 1/4-20 x 3 SHCS (TTT). Complete the entire assembly
by bolting the Spring Chamber (FFF) into the Bottom Spacer
(SSS) with 6 Fiberglass Washers (RRR) and 6, 1/4-20 x 2 SHCS
(QQQ). Move to Step 57.

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Содержание Becker VRP-SB-PID Series

Страница 1: ...GE Oil Gas Becker VRP SB PID Series Natural Gas Controllers Instruction Manual GE Data Classification Public...

Страница 2: ...REGULATIONS 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...

Страница 3: ...oportional plus derivative controller or VRP SB PD In VRP SB PD mode the controller can be used for highly unstable systems for example double stage cuts Table of Contents Page Page Introduction 1 Des...

Страница 4: ...tive Ambient Temperature Range 20 F to 160 F 29 C to 71 C Steady State Gas Consumption Zero Approximate Weight 20 pounds 9kg Pressure Connections 1 4 inch female NPT Housing Meets NEMA 3 Classificatio...

Страница 5: ...sing pressure decreases the net force on the diaphragm is up When spring and sensing diaphragm forces are equal to each other the controller is balanced and at steady state In the additional diagrams...

Страница 6: ...output pressure has time to equalize on both sides of the orifice The adjustability of the orifice allows us to optimize the system If the restriction is too great the feedback delay will be too long...

Страница 7: ...reserved Sensing Pressure Integral Derivative Output Derivative Integral Output Output Block Valve Exhaust P2 4 P 3 P P1 P4 P3 P2 P1 Feedback Module Power Gas Exhaust Sensing Pressure Figure 2 Direct...

Страница 8: ...a 155 320 psig 1069 2206 kPa Pink 25 8240 24 psig 165 kPa 132 psig 910 kPa 165 psig 1138 kPa 295 600 psig 2034 4137 kPa Yellow 25 1306 85 psig 586 kPa 405 psig 2792 kPa 405 psig 2792 kPa VRP 1000 SB P...

Страница 9: ...psig 2206 4137 kPa Yellow 25 1306 85 psig 586 kPa 380 psig 2620 kPa 380 psig 2620 kPa VRP 1000 SB PID 80 155 370 psig 1069 2551 kPa Burgundy 25 8239 174 psig 1200 kPa 122 psig 841 kPa 78 psig 538 kPa...

Страница 10: ...165 psig 1138 kPa 355 600 psig 2448 4137 kPa Yellow 25 1306 85 psig 586 kPa 345 psig 2379 kPa 345 psig 2379 kPa VRP 1000 SB PID 125 215 430 psig 1482 2967 kPa Burgundy 25 8239 217 5 psig 1500 kPa 52 p...

Страница 11: ...e a permanent offset due to an absence of the integral function Figure 4 Direct Acting VRP SB PID Controller Figure 5 Reverse Acting VRP SB PID Controller Power Gas Exhaust Vent Output Output Integral...

Страница 12: ...61 psig 421 kPa 850 1350 psig 5861 9308 kPa 39 psig 270 kPa 227 psig 1565 kPa Violet 25 8073 1000 1500 psig 6895 10342 kPa 950 1500 psig 6550 10342 kPa 950 1500 psig 6550 10342 kPa 276psig 1903 kPa N...

Страница 13: ...the VRP SB PID 80 there are higher pressure applications such as the Welker Jet Regulator or high pressure spring and diaphragm actuators And for even higher pressure applications such as ball valves...

Страница 14: ...ber Associate that model number with the corresponding control spring Look at the chart under Proportional Band and choose the corresponding gain configuration of the PID Look down for the point where...

Страница 15: ...d derivative orifice and controller gain for your specific application Derivative orifice can be adjusted by turning between numbers 0 and 6 0 represents the fastest response of the controller and 6 t...

Страница 16: ...cy low amplitude fluctuations in the flow On the other hand the primary regulator will handle low frequency high amplitude flow changes The Trim run regulator of choice for power plants is the 900TE R...

Страница 17: ...dQ Flexflo however in the case of P 50 psig 345 kPa the monitor regulator will be a Globe valve TO POWER PLANT INTEGRAL 12 HIGH GAIN SMALL RINGS DEAD BAND 1 4 SPRING TO CLOSE BALL VALVE MONITOR REGULA...

Страница 18: ...E GLOBE VALVE TO COMPRESSOR TURBINE WORKING REGULATOR SPRING TO OPEN BALL VALVE VRP SB PID 125 REVERSE ACTING MONITOR REGULATOR SPRING TO CLOSE BALL VALVE WORKING REGULATOR SPRING TO OPEN GLOBE VALVE...

Страница 19: ...GLOBE VALVE DEAD BAND 0 INTEGRAL CLOSED DEAD BAND 1 4 DEAD BAND 1 4 INTEGRAL 7 VRP SB PID 40 REVERSE ACTING INTEGRAL 12 HIGH GAIN SMALL RINGS VRP SB PID 40 DIRECT ACTING DERIVATIVE S 2 DERIVATIVE S 3...

Страница 20: ...ating regulator Monitor serves as a security device that protects power plant in case of a failure in the regulator TO COMPRESSOR TURBINE VRP SB PID 40 REVERSE ACTING VRP SB PID 40 DIRECT ACTING INTEG...

Страница 21: ...s preferred for better noise and vibration control but it results in a highly unstable system In order to compensate for this instability the first stage cut involves the conversion of the VRP SB PID...

Страница 22: ...ler For a 3 15 psig 21 103 kPa output the proportional band is 23 psig 159 kPa In case of failure of working regulator the working monitor regulator will takeover control such acting as monitor VRP SB...

Страница 23: ...ings to their original configurations Adjust orifice to original setting before disassembly procedure 3 Balance Valve Seat Inspection A Close output block valve Change the control pressure at least 5...

Страница 24: ...8 O Ring 115 95 2670 9 8 32 x 1 2 SHCS 316 SS 98 2614 10 1 4 20 x 3 4 HHCS 98 3137 11 600 Spring Cartridge 30 7002 12 0 Ring 141 95 2671 13 Inner Tube 30 7003 14 600 1000 Inner Tube Cap 30 7007 VRP 1...

Страница 25: ...5 1177 3 O Ring 012 95 2615 4 1 2 20 SS Jam Nut 98 3056 5 600 Top Space 30 7050 6 1 4 NPT Vent Elbow 01 2572 VRP 1000 1500 Sensing Assembly MAOP 1500 psig 6 2 1 3 4 6 8 5 7 4 9 10 Key Description Part...

Страница 26: ...n w o Hole 30 7059 3 Small Washer 30 7014 4 O Ring 012 95 2615 5 Diaphragm w Hole 30 7011 6 8 32 x 1 1 2 SHCS 98 3145 7 Upper Feedback Chamber 30 7035 8a High Gain Ring 30 7051 8b Middle Gain Ring 30...

Страница 27: ...agm w Conv 25 1027 6 1 4 NPT Top Body 35 1557 7 Top Inside Piston 35 1528 8 Sensitivity Spacer 25 1015 9 Lexan Cover 25 1034 10 Adjusting Drum 35 1534 11 Thrust Bearing 25 1062 12 1 4 NPT Bottom Body...

Страница 28: ...82 PID 80 Bottom Cap Assembly 1 2 4 6 3 7 5 Key Description Part No 1 1 4 20 x 3 4 HHCS 98 3137 2 SS Spring Nut 30 7048 3 Fixed Spring 135 Wire 30 7069 4 3 8 16 x 3 4 HHCS 98 2580 5 Bottom Spring Cart...

Страница 29: ...leed Control The AB maintains minimum pressure differential across the cylinder AB control is required to provide the necessary output to operate the control valve under all design conditions VB 250 V...

Страница 30: ...G Step 2 Insert the Spacer B into the Strainer C as shown in Figure 2 Place the Spacer Strainer combination onto the Seat Assembly A Step 3 Insert a Balance Valve Assembly D Step 4 Secure the assembl...

Страница 31: ...around the valve seat and the back end of the retainer as shown in Figure 4 and Figure 5 Step 11 If a leak is found check the o ring integrity contamination between the balance valve D and the seat A...

Страница 32: ...the Pilot Post Outside Piston combination through the Top Body G and attach it to the Top Inside Piston M with 2 8 32 x 1 2 SHCS I Bottom Body Piston Assembly Figure 7 Step 15 Install 012 O rings K i...

Страница 33: ...from the Bottom Body H Step 23 Install one Convoluted Diaphragm R oriented as shown in Figure 9 onto each Washer Q Step 24 Install another Washer Q onto each Piston J M with grooves facing the Diaphr...

Страница 34: ...27 Press fit the Thrust Bearing W into the Adjusting Drum V Make sure that the stamp lettered surface of the Thrust Bearing W is fit with the bottom Drum V surface as shown in Figure 10 V W Confirm t...

Страница 35: ...kwise until they stop D Mark the Bodies G and H with Extensions from lines already on the Diaphragms R as shown in Figure 13 E Finally by drawing a line exactly between the two lines on the Bodies G a...

Страница 36: ...o lines from Step 29E Fasten the Top Body G assembly to the Sensitivity Spacer X with 6 1 4 20 x 3 4 HHCS Z Torque to 100 110 in lbs Step 32 Secure the Bottom Body H assembly to the Sensitivity Spacer...

Страница 37: ...80 Figure 18 place the Fixed Spring DD onto the Spring Nut T Secure the Fixed Spring DD by fastening the Bottom Spring Cartridge CC to the Bottom Body H with 6 1 4 20 x 3 4 HHCS Z Torque to 100 110 in...

Страница 38: ...s 20 22 Step 34 Take the VRP SB PID that you assembled after step 33 and turn right side up again Mount the PID to the Bracket CCCC using 2 SS 3 8 Washers DDDD SS 3 8 Lockwashers EEEE and 3 8 16 x 3 4...

Страница 39: ...Install a Small Washer KK onto the Small Piston LL with grooves facing the Convoluted Diaphragm JJ Step 39 Place the Diaphragm JJ Piston LL and Washer KK on top of the PID Spring Spacer MM Step 40 Se...

Страница 40: ...L from Diaphragm Assembly 2 all the way into the Outside Piston J of the Top Body G thereby compressing the spring Feedback Chamber Assembly Figures 27 31 Step 47 Bolt the Lower Feedback Chamber TT on...

Страница 41: ...n of the chamfer on each of the Middle Gain Rings AAA shown in Figure 30 Move to Step 51 C For a High Gain Pilot Figure 31 follow Step 50A except add the High Gain Rings BBB on both sides of Diaphragm...

Страница 42: ...he Bottom Piston EEE while holding it in a vise Torque to 140 160 in lbs Move to Step 52 B For a VRP 1000 1500 SB PID Figure 33 36 fasten the Thread Extension FFF to the Inner Tube CCC using a 1 2 20...

Страница 43: ...all Piston LL Place a Convoluted Diaphragm R onto the Small Piston LL using the orientation shown in Figure 35 Slide a Small Washer KK onto the Small Piston LL D Insert a 145 O Ring GGG into the Botto...

Страница 44: ...embly from Step 52 onto the Adjusting Screw JJJ Step 54 Thread the Aluminum Bearing Nut LLL onto the Screw JJJ from the bottom Leave some room below the Bearing Nut LLL and thread a 1 2 20 SS Left Han...

Страница 45: ...tep 56 This step is dependent on the model of PID being assembled A For a VRP 600 SB PID place the Top Spacer PPP below the assembly from Step 51A Thread the Small Piston II from Diaphragm Assembly 1...

Страница 46: ...VRP 1000 1500 SB PID place the Bottom Spacer SSS below the Adapter Block HHH Thread the Small Piston ll from Diaphragm Assembly 1 into the Small Piston LL from Step 51D Thread the Small Piston II all...

Страница 47: ...assembly from Step 55 into the Spring Chamber DDD or FFF Fasten the Tube Cap OOO to the Inner Tube CCC with 4 8 32 x 1 2 SHCS 316 SS I Use Tube Cap SS 000 and 8 32 x 1 2 SHCS Alloy I for the 1500 Mod...

Страница 48: ...g top cap assembly down You will feel a firm engagement of the cap assembly in place At this time orient the cap assembly such that the mounting holes are in line with the pressure ports Bolt the Cap...

Страница 49: ...ools 1 Allen wrenches 9 64 3 16 1 8 2 Open wrenches 7 16 3 4 11 16 5 16 3 Socket wrenches 3 8 drive 7 16 3 4 Deepwell 13 Pt 4 6 adjustable wrench 5 Screwdrivers Philips head standard 6 Soft blow hamme...

Страница 50: ...as Controllers Instruction Manual 48 2016 General Electric Company All rights reserved 98 3231 98 3232 98 3230 98 3238 98 2614 316 SS 98 3269 Alloy 98 3237 98 2684 98 3181 98 3227 98 2761 Appendix B P...

Страница 51: ...49 GE Oil Gas 2016 General Electric Company All rights reserved Appendix B Parts Silhouettes Cont d Washers and Nuts 30 7053 25 1016 25 1065 98 3056 30 7014 30 7017 98 2500 98 3213...

Страница 52: ...Becker VRP SB PID Series Natural Gas Controllers Instruction Manual 50 2016 General Electric Company All rights reserved 30 7011 25 1027 30 7032 Appendix B Parts Silhouettes Cont d Diaghragm...

Страница 53: ...51 GE Oil Gas 2016 General Electric Company All rights reserved 95 2674 95 2670 95 2615 95 2609 95 2671 95 2665 95 2672 Appendix B Parts Silhouettes Cont d O Rings...

Страница 54: ...ax 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 RUS...

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