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Safety back-flow valve
Model: AH42F
Diameter:DN 40~150 / 25~150mm
Medium: Liquefied petroleum gas (LPG) etc.
Pressure: 1.6~4MPa
Applicable Temperature: -40~80°C
Body Materials: Cast steel etc.
Applicable Industry: Urban Construction,Chemical,metallurgy,Oil,Pharmaceutical,Food,Beverage,Environmental protection
Safety back-flow valve Characteristic use
The valve is to be used in liquid reflux pipelines in the liquefied petroleum gas pump outlet with operation temperature of –40~+80℃. It is used for the safe reflux of over-pressure medium. When the pump front pressure exceeds regulated value, the valve will open automatically and reflux to the tank so as to ensure the safe operation of equipments and pipelines.

AH42F-16/25/40C

AH42F-P18
Safety back-flow valve Related product
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- A44C Type Pound-grade full lift spring loaded safety valve
- A48C Type Pound-grade full lift spring loaded safety valve
- A48SC Type Pound-grade full lift spring loaded safety valve
- Closed spring loaded full bore type-high pressure safety valve
- Closed spring loaded low lift type-high pressure safety valve
- WA44C Type Pound-grade balance bellows spring-loaded safety valve


