Baker Hughes Masoneilan 74000 Series Instruction Manual Download

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Masoneilan

™

74000 Series

Erosion Resistant Control Valves

Instruction Manual (Rev.C)

Baker Hughes Data Classification: Public

Summary of Contents for Masoneilan 74000 Series

Page 1: ...Masoneilan 74000 Series Erosion Resistant Control Valves Instruction Manual Rev C 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: ...late 2 After Sales Service 2 Spare Parts 2 Actuator and Accessories 2 Numbering System 2 Unpacking 3 Installation 3 Piping Cleanliness 3 Isolation Bypass Valve 3 Heat Insulation 3 Hydrostatic Testing...

Page 4: ...nd Venturi S A 6 Valve Reassembly 6 Body Stud Assembly 6 Bull Nose Guide 6 Trim Lower Flange 6 Body Stud and Nut Torquing 6 Single bolt circle arrangement 6 Double bolt circle arrangement 6 Packing Bo...

Page 5: ...rior notice The information contained in this manual in whole or part shall not be transcribed or copied without Baker Hughes s written permission Please report any errors or questions about the infor...

Page 6: ...tenance and repair of its equipment For support contact the local Baker Hughes representative or Masoneilan factory located closest to you Spare Parts Only Masoneilan replacement parts should be used...

Page 7: ...figuration should allow for removal of valve body from the line and separation of the upper and lower body components at the flange joint Also note that the packing box is integral to the upper body a...

Page 8: ...stem connector sections above depending on the connection type Actuator Removal Disconnect all electrical and air connections to and from the actuator Disassemble yoke nut or yoke attachment screws a...

Page 9: ...sition to disassemble the packing box Inverting the valve requires pre planning of the rigging and lifting process Once inverted the valve must be cradled in an appropriate fixture to support its weig...

Page 10: ...tor Inverting the valve requires pre planning of the rigging and lifting process Once inverted the valve must be cradled in an appropriate fixture to support its weight and provide stability during ma...

Page 11: ...ll rights reserved Figure 1 Torque Sequence Single Bolting Circle 8 Bolts Figure 2 Torque Sequence Single Bolting Circle 12 Bolts Figure 3 Torque Sequence Single Bolting Circle 16 Bolts Figure 4 Torqu...

Page 12: ...orque Values for 74000 Series CL600 Part Description Valve Size 4x6 6x8 6x8 8x10 Valve Class CL600 CL600 CL600 CL600 Trim Size 4 6 8 10 Body studs Thread size 1 25 1 5 1 5 1 5 Bolt number 12 12 12 16...

Page 13: ...etween the Plug Stem B120 and Packing Flange B123 or Packing Follower B212 when torquing the Packing Nuts B201 There must be no contact between the Plug Stem B120 and the Packing Flange B123 or Packin...

Page 14: ...10 Baker Hughes Copyright 2021 Baker Hughes Company All rights reserved Figure 6 74000 Series Control Valve 74111 Fluted Plug Construction with Leak Off Connection 74211 Bull Nose Plug Construction...

Page 15: ...Then assemble the bottom stem connector 2 As soon as it becomes possible insert the valve stem into the actuator stem 10 The stem must be inserted far enough so that when there is no air in the actua...

Page 16: ...he bottom stem connector 2 assembly to bring it into contact with the top stem connector 4 8 Supply air to the actuator until the stem has travelled at least 0 40 inches 10 mm 9 Unscrew the top stem c...

Page 17: ...manual loading panel tubing to the top plate 17 3 Apply required air pressure through the manual loading panel to completely extend the actuator stem 4 Extend the actuator stem either pneumatically o...

Page 18: ...Company All rights reserved Figure 9 87 88 Actuators Type 87 Air to Close No 6 Type 88 Air to Open No 6 Type 87 Air to Close No 10 16 23 Type 88 Air to Open No 10 16 23 Model 87 Actuator Air to Extend...

Page 19: ...uide bushing 55 Set screw 10 Upper spring button 33 O ring 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...

Page 20: ...Hughes Copyright 2021 Baker Hughes Company All rights reserved Figure 10 Model 51 Actuator Model 51 Double Acting With handwheel without volume chamber Model 51 Double Acting With handwheel with volum...

Page 21: ...ves Instructions Manual 17 Copyright 2021 Baker Hughes Company All rights reserved Figure 11 Model 51 Actuator Model 51 Double Acting Without handwheel without volume chamber Model 51 Double Acting Wi...

Page 23: ...000 Series Control Valves Instructions Manual 19 Copyright 2021 Baker Hughes Company All rights reserved Figure 13 Model 53 Actuator Model 53 Air to extend with handwheel Model 53 Air to retract witho...

Page 28: ...Baker Hughes Company Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners BHMN 74000 IOM 32033C 1221 12 2021 Tech Field Su...