Nominal pressure ( MPa) Testing Pressure ( MPa)
Casing seal(Liquid ) seal(air) up seal
1.0 1.5 1.1 0.6 1.1
1.6 2.4 1.8 0.6 1.8
2.5 3.8 2.8 0.6 2.8
Casing material Suitable medium Suitable temperature ℃
carbon steel ( C type) water、steam、oil ≤ 425
gray cast iron ( T type) Chlorine、sulfate ≤ 200
Ductile Cast Iron ( Q type) liquefied natural gas 、gas ≤ 300
stainless steel ( H type) water、steam、oil ≤ 316
Casing seal(Liquid ) seal(air) up seal
1.0 1.5 1.1 0.6 1.1
1.6 2.4 1.8 0.6 1.8
2.5 3.8 2.8 0.6 2.8
Casing material Suitable medium Suitable temperature ℃
carbon steel ( C type) water、steam、oil ≤ 425
gray cast iron ( T type) Chlorine、sulfate ≤ 200
Ductile Cast Iron ( Q type) liquefied natural gas 、gas ≤ 300
stainless steel ( H type) water、steam、oil ≤ 316
Main Products
ball valve,gate valve,check valve,butterfly valve,globe valve,etc