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Safety Valve Model Selection

Safety Valve Model Selection

 

 

Model

Temperature

Medium

 

Type

A27H

≤200℃

Water, Air, Steam

Low Lift- closed Bonnet-with lever    

A27Y

≤200℃

Corrosive medium

Low Lift- closed Bonnet-with lever

A28H

≤200℃

Air, Steam, Water, Mixture of N2 & H2

 

Full Lift- closed Bonnet-with lever

A28Y

≤200℃

Corrosive medium

Full Lift- closed Bonnet-with lever

A41H

≤300℃

Petroleum, Air, Water

Low Lift- closed Bonnet

A41Y

≤200℃

Corrosive medium

Low Lift- closed Bonnet

A47H

≤350℃

Steam, Air

Low Lift-Open Bonnet-with lever

A47Y

≤350℃

Steam, Air

Low Lift-Open Bonnet-with lever

A42Y

≤300℃

Air, Petroleum gas, Liquid

Full Lift-Closed Bonnet

A42Y

≤200℃

Corrosive medium

Full Lift-Closed Bonnet

 

 

 

A48Y

≤350℃

Steam, Air

Full Lift-Open Bonnet-with lever

A44Y

≤300℃

Air, Steam, Petroleum

Full Lift-Closed Bonnet-with lever

A44Y

≤200℃

Corrosive medium

Full Lift-Closed Bonnet-with lever

A37H, A38Y, A43H

≤350℃

Steam, Air

Twin Type

A42Y

≤200℃

Air,, Mixture of N2 & H2

Full Lift-Closed Bonnet with high pressure.

A42Y

≤200℃

Corrosive medium

Full Lift-Closed Bonnet with high pressure.

A42F

-29~80℃

LPG or similar non-corrosive medium

Full Lift-Closed Bonnet

A40Y

Cast Steel Body

≤400℃

Air, Petroleum Gas, Mixture of N2 & H2

Full Lift-Closed Bonnet with heat radiator

A40Y

1Cr5Mo Body

≤450℃

Air, Petroleum Gas, Mixture of N2 & H2

Full Lift-Closed Bonnet with heat radiator

 

 

    A48SH-

Cast Steel Body    

    ≤425℃  

                   Steam                   

Full Lift-Open Bonnet-with Lever-high   temperature

A48SH

1Cr5Mo  Body

≤510℃

Steam

Full Lift-Open Bonnet-with Lever-high temperature                                                   

  A48SH

12CrMoV Body  

≤550℃

Steam

Full Lift-Open Bonnet-with Lever- high temperature    

 

Hits:  UpdateTime:2015-05-05 10:34:04  【Printing】  【Close
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