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Copyright 2021 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  regulator. 

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.

•   This model is the “Microflow” equivalent of the 526-536 Back 

Pressure Regulators.

•   These  instructions  are  written  specifically  for  the  Masoneilan 

Model  536V  Back  Pressure  Regulator,  and  do  not  apply  for 

other regulators outside of this product line.

Useful Life

The current estimated useful life period for the Masoneilan regulator 

model 536V 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.

Spare parts 

When  performing  maintenance,  always  use  Masoneilan 

replacement parts. Parts are obtainable through your local Baker 

Hughes  Representative  or  Spare  Parts  Department.  When 

ordering  parts,  always  include  Masoneilan  Model  and  serial 

numbers shown on serial plate.

After sales Department

Baker  Hughes  has  a  highly  skilled  After  Sales  Department 

available for start-up, maintenance and repair of our regulators 

and components parts. Contact the nearest Masoneilan Sales 

Office or Representative.

Training 

Baker Hughes regularly holds training seminars for technicians in 

its factory. Please contact your local Masoneilan Representative 

or our Training Department. 

Note: Care must be exercised when unpacking the regula-

tor to prevent damage. Should any problems arise, contact 

After Sales Department. Be sure to include Masoneilan 

Serial and Model numbers in all correspondence.

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 regulator must be installed, put into service and maintained 

by qualified and competent professionals who have undergone 

suitable training.

•   All surrounding pipelines 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 536V

Page 1: ...Masoneilan 536V Back Pressure Microflow Regulators Instruction Manual 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: ...eserved Table Of Contents Safety Warning 1 Description Operation 2 Operation 2 Plug and seat ring combination trim 2 Installation 2 Set Point Adjustment 4 Maintenance 4 Part Replacement in Body S A 4...

Page 4: ...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 o...

Page 5: ...em 26 Nylon reinforced neoprene diaphragms permit smooth sensitive operation The packing box acts as a lower guide for the actuator stem Note On request for special services the nylon reinforced neopr...

Page 6: ...g No 6 Plug and Seat ring No 5 Plug and Seat ring No 4 Plug and Seat ring No 3 Plug and Seat ring No 2 Plug and Seat ring No 1 Plug and Seat ring No 0 12a 12b 12c 12d 183 3 f Orifice Dia 2mm Orifice D...

Page 7: ...to correctly center the gasket on the seat ring shoulder Orient it in such a manner that one of its ports lines up with the body outlet orifice Note For a Cv smaller than 0 10 the seat ring 3e shall f...

Page 8: ...es Company All rights reserved Figure 3 Cross Section of Type 536 V Regulator Range 0 5 3 psi See Parts References page 10 9 6 5 4 12 3 13 2 10 101 52 53 20 32 46 45 39 40 34 30 22 33 11 16 8a 17 8b 7...

Page 9: ...g of packing Tighten nuts 8b finger tight plus one full turn Packing Quick Change Method For regulators Cv 0 6 to 3 8 only The fastest and simplest way to replace packing is to remove the entire actua...

Page 10: ...Hughes Company All rights reserved Figure 5 Cross Section of Type 536 V Regulator Range 2 5 psi See Parts References page 10 9 6 5 4 12 3 13 2 10 101 52 53 20 32 46 45 39 40 30 34 22 33 11 16 8a 17 8b...

Page 11: ...o 17 mm flat spanners unlock the plug stem nuts 27 and unscrew them to the threaded end of the plug stem 12 or 183 Tighten nuts one against the other in this position By means of a 14 mm flat spanner...

Page 12: ...ughes Company All rights reserved Figure 6 Cross Section of Type 536 V Regulator Range 3 15 psi See Parts References page 10 9 6 5 4 12 3 13 2 10 101 52 53 20 32 45 46 39 102 30 34 22 33 26 18 44 41 4...

Page 13: ...opyright 2021 Baker Hughes Company All rights reserved Figure 7 Cross Section of Type 536 V Regulator Range 10 40 30 85 60 170 psi See Parts References page 10 9 6 5 4 12 3 13 2 10 101 52 53 20 32 45...

Page 14: ...psi Ref Part Name Ref Part Name Ref Part Name 2 Seat Ring Gasket 17 Yoke 41 Diaphragm Washer 3 Seat Ring 18 Cap Screw L diaph case to yoke 43 Diaphragm Case Upper 3e Seat Ring Only on Cv 0 10 20 Pack...

Page 15: ...Masoneilan 536V Back Pressure Microflow Regulators Instruction Manual 12 Copyright 2021 Baker Hughes Company All rights reserved Notes...

Page 16: ...st current information The Baker Hughes logo and Masoneilan are trademarks of Baker Hughes Company Other company names and product names used in this document are the registered trademarks or trademar...

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