18 | Baker Hughes
Copyright 2021 Baker Hughes Company. All rights reserved.
Model
51 Double Acting
Without handwheel without volume chamber
Without handwheel with volume chamber
Figure 15
Page 1: ...72000 Series Large Mass Flow Energy Management Control Valves Instruction Manual Rev A Baker Hughes Data Classification Public...
Page 2: ...CULAR 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 ME...
Page 3: ...4 Disconnect Instrumentation 4 Air to Retract Actuators 4 Threaded Connection 4 Split Clamp Connection 4 Air to Extend Actuators 4 Actuator Removal 4 Valve Disassembly 5 Plug Stem Disassembly 5 Auxil...
Page 4: ...d Baker Hughes Copyright 2021 Baker Hughes Company All rights reserved...
Page 5: ...ns about the information in this manual to your local supplier These instructions are written specifically for the Masoneilan 72000 Series Energy Management Control Valves and do not apply for other v...
Page 6: ...tal Seat 9 Graphite Seal Ring and Metal Seat Seal Type Body Series 72 Fabricated Angle Valve Options AS Angle Stub EB Extension Bonnet D Diffuser 0 Undefined 1 Single Stage Lo dB 2 Double Stage Lo dB...
Page 7: ...t the installation operation maintenance and repair of its equipment For support contact your local Sales representative Isolation Bypass Valve To allow for in line inspection maintenance and removal...
Page 8: ...em as described in the threaded connection and stem connector sections above depending on the connection type Actuator Removal Disconnect all electrical and air connections to and from the actuator Di...
Page 9: ...on top of the valve cage Some designs for high temperature service may include a conical spring 11 Remove the valve plug assembly 8 from the valve cage by pulling the valve plug stem 7 upward In the...
Page 10: ...eter in mm in mm 6 150 2 2 25 57 0 1 4 20 UNC 2A 8 20 2 2 5 63 5 3 8 16 UNC 2A 10 250 2 2 75 70 0 12 300 3 4 00 101 5 16 400 3 4 00 101 5 PTFE Packing and PTFE V Ring Packing Kevlar PTFE carbon PTFE a...
Page 11: ...aving the same geometrical characteristics in order to insure the correct position of the seat ring during lapping This gasket or similar part can be kept after lapping for future lapping use The gask...
Page 12: ...a new undeformed surface Refer to Figure 7 for details Figure 7 Bonnet Seating Angle Details see page 12 detail B Figure 8 Installing Seal Ring Conical Springs For Models that use a conical spring de...
Page 13: ...proper alignment can not be achieved spread a silicone grease such as Dow III into the gasket groove to retain the gasket during assembly Valve Plug and Cage Assembly For 724XX Auxiliary Pilot Plug p...
Page 14: ...rovide loading to the plug stem assembly 8 during tightening This may benefit the positioning of various parts in installations where the actuator and trim are installed horizontally The force can be...
Page 15: ...ng 14 Conical Spring 15 Packing Flange Stud 16 16 Packing Flange Nut 17 Packing Flange 18 Packing Follower 19 Packing S A 20 Guide Bushing 21 Auxiliary Pilot Plug 22 Pilot Spring 23 Retaining Ring 24...
Page 16: ...pyright 2021 Baker Hughes Company All rights reserved Figure 10 72000 Series Cross Section DETAIL A SCALE 1 2 DETAIL B SCALE 2 3 DETAIL C SCALE 2 3 1 3 4 29 5 8 11 7 2 24 13 10 26 A B C 27 9 23 25 20...
Page 17: ...valve closed position Connecting Type 87 Air to Extend No 10 16 and 23 Actuators Figure 11 1 Tightly assemble hex nut 1 onto the plug stem 2 Screw the top stem connector 4 assembly tightly onto the a...
Page 18: ...m in mm in mm 10 0 8 20 5 12 130 0 4 62 117 3 10 1 5 38 5 44 138 2 16 0 8 20 8 00 203 2 7 02 178 3 16 1 5 38 8 50 228 6 16 2 0 51 9 28 235 7 16 2 5 63 5 9 50 241 3 23 0 8 20 8 25 209 5 23 1 5 38 8 62...
Page 19: ...5 Copyright 2021 Baker Hughes Company All rights reserved Figure 11 Type 87 Air to Close No 6 Type 88 Air to Open No 6 Model 88 Actuator Air to Retract Open Model 87 Actuator Air to Extend Close Type...
Page 20: ...ired air pressure through the manual loading panel to completely extend the actuator stem 4 Extend the actuator stem either pneumatically or with a handwheel approximately 1 2mm using the visual strok...
Page 21: ...Control Valves Instruction Manual 17 Copyright 2021 Baker Hughes Company All rights reserved Figure 14 Model 51 Double Acting With handwheel without volume chamber Model 51 Double Acting With handwhe...
Page 22: ...Baker Hughes Copyright 2021 Baker Hughes Company All rights reserved Model 51 Double Acting Without handwheel without volume chamber Model 51 Double Acting Without handwheel with volume chamber Figure...
Page 23: ...oneilan 72000 Series Control Valves Instruction Manual 19 Copyright 2021 Baker Hughes Company All rights reserved Model 52 Air to extend with handwheel Model 52 Air to retract without handwheel Figure...
Page 24: ...20 Baker Hughes Copyright 2021 Baker Hughes Company All rights reserved Model 53 Air to extend with handwheel Model 53 Air to retract without handwheel Figure 17...
Page 25: ...Masoneilan 72000 Series Control Valves Instruction Manual 21 Copyright 2021 Baker Hughes Company All rights reserved CM DM handwheel Typical for Models 51 52 53 Figure 18...
Page 26: ...Piston rod 56 Worm 11 Thrust bearing 34 Rod scraper 57 Bearing 12 Compression nut 35 Hexagon bolt 58 Retaining ring 13 Separator plate Model 52 53 36 Spring lock washer 59 Hand wheel shaft 14 Cylinder...
Page 27: ...Masoneilan 72000 Series Control Valves Instruction Manual 23 Copyright 2021 Baker Hughes Company All rights reserved Notes...
Page 28: ...rom the use of the information whether a claim is asserted in contract tort or otherwise Baker Hughes reserves the right to make changes in specifications and features shown herein or discontinue the...