Detailed Product Description

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¡ãC
Body Materials: Cast steel etc.
Applicable Industry: Urban
 Construction,Chemical,metallurgy,Oil,Pharmaceutical,Food,Beverage,Environmental protection
 The valve is to be used in liquid reflux pipelines in the liquefied petroleum gas pump outlet with
 operation temperature of ¨C40~+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.