Model

Temperature

Medium

Type

A27H

≤200°C

Water, Air, Steam

Low Lift- closed Bonnet-with lever

A27Y

≤200°C

Corrosive medium

Low Lift- closed Bonnet-with lever

A28H

≤200°C

Air, Steam, Water, Mixture of N2 & H2

Full Lift- closed Bonnet-with lever

A28Y

≤200°C

Corrosive medium

Full Lift- closed Bonnet-with lever

A41H

≤300°C

Petroleum, Air, Water

Low Lift- closed Bonnet

A41Y

≤200°C

Corrosive medium

Low Lift- closed Bonnet

A47H

≤350°C

Steam, Air

Low Lift-Open Bonnet-with lever

A47Y

≤350°C

Steam, Air

Low Lift-Open Bonnet-with lever

A42Y

≤300°C

Air, Petroleum gas, Liquid

Full Lift-Closed Bonnet

A42Y

≤200°C

Corrosive medium

Full Lift-Closed Bonnet

A48Y

≤350°C

Steam, Air

Full Lift-Open Bonnet-with lever

A44Y

≤300°C

Air, Steam, Petroleum

Full Lift-Closed Bonnet-with lever

A44Y

≤200°C

Corrosive medium

Full Lift-Closed Bonnet-with lever

A37H, A38Y, A43H

≤350°C

Steam, Air

Twin Type

A42Y

≤200°C

Air,, Mixture of N2 & H2

Full Lift-Closed Bonnet with high pressure.

A42Y

≤200°C

Corrosive medium

Full Lift-Closed Bonnet with high pressure.

A42F

-29~80°C

LPG or similar non-corrosive medium

Full Lift-Closed Bonnet

A40Y

Cast Steel Body

≤400°C

Air, Petroleum Gas, Mixture of N2 & H2

Full Lift-Closed Bonnet with heat radiator

A40Y

1Cr5Mo Body

≤450°C

Air, Petroleum Gas, Mixture of N2 & H2

Full Lift-Closed Bonnet with heat radiator

A48SH-

Cast Steel Body

≤425°C

Steam

Full Lift-Open Bonnet-with Lever-high temperature

A48SH

1Cr5Mo Body

≤510°C

Steam

Full Lift-Open Bonnet-with Lever-high temperature

A48SH

12CrMoV Body

≤550°C

Steam

Full Lift-Open Bonnet-with Lever- high temperature