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1  |  Baker Hughes

Copyright 2020 Baker Hughes Company. All rights reserved.

Safety Information

Important - Please Read Before Installation

These instructions contain 

DANGER

WARNING

, and 

CAUTION

 

labels, where necessary, to alert you to safety related or other 

important  information.  Read  the  instructions  carefully  before 

installing  and  maintaining  your  control  valve. 

DANGER

  and 

WARNING

  hazards  are  related  to  personal  injury. 

CAUTION

 

hazards  involve  equipment  or  property  damage.  Operation 

of  damaged 

equipment can, under certain operational 

conditions, result in degraded process system performance 

that can lead to injury or death. Total compliance with all 

DANGER

WARNING

, and 

CAUTION

 notices is required for safe 

operation.

This is the safety alert symbol. It alerts you to potential personal 

injury hazards. Obey all safety messages that follow this symbol 

to avoid possible injury or death.

Indicates a potentially hazardous situation which, if not avoided, 

could result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided, 

could result in serious injury.

Indicates a potentially hazardous situation which, if not avoided, 

could result in minor or moderate injury.

When  used  without  the  safety  alert  symbol,  indicates  a 

potentially hazardous situation which, if not avoided, could result 

in property damage.

Note: Indicates important facts and conditions.

About this Manual

•   The information in this manual is subject to change without 

prior 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 information in 

this manual to your local supplier.

•   These  instructions  are  written  specifically  for  the  31000 

Series Valve, and do not apply for other valves outside of 

this product line.

Useful Period

The  current  estimated  useful  life  period  for  the  31000  Series 

Valve is 25+ years. To maximize the useful life of the product, it 

is essential to conduct annual inspections, routine maintenance 

and ensure proper installation to avoid any unintended stresses 

on the product. The specific operating conditions will also impact 

the useful life of the product. Consult the factory for guidance on 

specific applications if required prior to installation.

Warranty

Items sold by Baker Hughes are warranted to be free from defects 

in materials and workmanship for a period of one year from the 

date  of  shipment  provided  said  items  are  used  according  to 

Baker Hughes recommended usages. Baker Hughes reserves 

the right to discontinue manufacture of any product or change 

product materials, design or specifications without notice.

Note: Prior to installation:

•   The valve must be installed, put into service and maintained 

by  qualified  and  competent  professionals  who  have 

undergone suitable training.

•   All  surrounding  pipe  lines  must  be  thoroughly  flushed  to 

ensure  all  entrained  debris  has  been  removed  from  the 

system.

•   Under  certain  operating  conditions,  the  use  of  damaged 

equipment could cause a degradation of the performance 

of the system which may lead to personal injury or death.

•   Changes  to  specifications,  structure,  and  components 

used  may  not  lead  to  the  revision  of  this  manual  unless 

such changes affect the function and performance of the 

product.

Summary of Contents for Masoneilan 31000 Series

Page 1: ...Baker Hughes Data Classification Public Masoneilan 31000 Series Eccentric Rotary Control Valve with PFA Liner Instruction Manual Rev D...

Page 2: ...ICULAR 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 M...

Page 3: ...i Copyright 2020 Baker Hughes Company All rights reserved Table Of Contents Safety Information 1 1 Introduction 2 2 General 2 3 Principle of Operation 2 4 Unpacking 3 5 Installation 3 6 Disassembly 3...

Page 4: ...ribed or copied without Baker Hughes s written permission Please report any errors or questions about the information in this manual to your local supplier These instructions are written specifically...

Page 5: ...and information given in these operating instructions apply to all sizes in the 31000 Series control valves The model number size and rating of the valve are shown on the serial plate Refer to number...

Page 6: ...operator should ensure that the maximum pressure the valve body will be subjected to will not exceed the allowed value Refer to the diagram below 6 Disassembly Control valves which have been in servic...

Page 7: ...g fitting tool 3 Insert the plug 3 into the bottom guiding bore of the body 4 Place the bonnet 2 over the plug shaft onto the body and handtighten the bolting 14 15 16 5 To insert the packing into bon...

Page 8: ...e 21 1 Packing 3 Rings 1 4 1 Seat Ring 13 1 Wiper Ring 23 1 Upper Packing Box Ring 1 5 1 O ring 14 4 Hexagon Head Cap Screw 24 3 Disc Spring 1 6 1 Packing 15 4 Hexagon Nut 25 1 O ring 1 7 1 Lower Pack...

Page 9: ...ightness is obtained It is essential that the instructions for setting the ac tuator be carefully followed An incorrect setting will lead to wear of seat or plug Figure 4 Section View of the Safety Pa...

Page 10: ...rel 122 2 Clevis Pin Clip 135C 1 Lever Bearing 104 1 Spring 123 1 Indicator Dot 136 1 Handwheel Thread Plug 105 1 Diaphragm 124 1 Clevis Pin 137 1 Lever Cap Screw 106 4 Cap Screw 125 1 Shaft Bearing 1...

Page 11: ...ve is closed on air failure Air to open After loosening the locknut 111A screw the clevis 100 in by one full revolution B If the valve is open on air failure Air to close After loosening the locknut 1...

Page 12: ...Hughes Copyright 2020 Baker Hughes Company All rights reserved Figure 7 Setting the Actuator on Air to Open Valve closed on Air Failure Figure 8 Setting the Actuator on Air to Close valve open on Air...

Page 13: ...Masoneilan 31000 Series Control Valve Instruction Manual 10 Copyright 2020 Baker Hughes Company All rights reserved Notes...

Page 14: ...11 Baker Hughes Copyright 2020 Baker Hughes Company All rights reserved Notes...

Page 15: ...Masoneilan 31000 Series Control Valve Instruction Manual 12 Copyright 2020 Baker Hughes Company All rights reserved Notes...

Page 16: ...any Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners BHMN 31000 IOM 31746D 1120 11 2020 bakerhughes com Tech Field Sup...

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