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© 2021 Baker Hughes Company. All rights reserved. 

Masoneilan 77-80H/00-80H Air Valve Instruction Manual | 3

 

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 

77-80H/00-80H, and do not apply for other valves 
outside of this product line. 

  These instructions apply to 77-80H/00-80H 

operated with our Valve Control System (including 
the fluid level gauge). In the case of using the 
equipment for other systems, the designers of the 
systems or those who decide on the specifications 
of the systems should judge the adaptability of the 
equipment. 

 

 

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 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 77-80H Series

Page 1: ...Baker Hughes Data Classification Public Masoneilan 77 80H 00 80H Series Air Valve Instruction Manual Rev A...

Page 2: ...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 MET IN...

Page 3: ...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...

Page 4: ...he equipment otherwise it may cause malfunction of the valve Air Source Use clear air Do not use compressed air that contains chemicals synthetic oil based on organic solvents or corrosive gas or othe...

Page 5: ...ve controller or any other equipment will not operate suddenly Gradually extract the pressure of air in all the operating lines and disconnect the operating lines only after the air is entirely extrac...

Page 6: ...__________________________________________ 7 2 Specification __________________________________________ 7 3 Installation____________________________________________ 7 5 Maintenance ___________________...

Page 7: ...Port Rc1 4 NPT Operating Temperature Range 30 to 70 18 to 100 C High Temp 49 to 80 C Low Temp Housing Material Aluminum Alloy 3 Installation Prior to installing clean all lines thoroughly to remove a...

Page 8: ...as follows A Shut off the supply pressure B Return the adjusting screw to its former position and loosen the spring Disassembling Procedure Remove four screws 25 and remove O Ring 15 housing S A rang...

Page 9: ...ny All rights reserved Masoneilan 77 80H 00 80H Air Valve Instruction Manual 9 INLET PRESSURE 880 kPaG 125 psiG SET RANGE 35 700 kPaG 5 100 psiG Rc1 4 NPT1 4 SIGNAL Rc1 2 NPT1 2 EXHAUST Rc1 2 NPT1 2 O...

Page 10: ...r Hughes 2021 Baker Hughes Company All rights reserved INLET PRESSURE 880 kPaG 125 psiG SIGNAL PRESSURE 35 700 kPaG 5 100 psiG Rc1 4 NPT1 4 SIGNAL Rc1 2 NPT1 2 EXHAUST Rc1 2 NPT1 2 OUTLET Rc1 2 NPT1 2...

Page 11: ...hughes com Copyright 2021 Baker Hughes Company All rights reserved Baker Hughes provides this information on an as is basis for general information purposes Baker Hughes does not make any representati...

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