Balance type safety return valve

Product mode:AHN42F
Balance type safety return valve Conection way:flanged
Balance type safety return valve nominal bore:40-50
Balance type safety return valve applied material:liquefied petroleum

 
this valve is mounted on the liquidoid back-flow pipeline of the pan pump's outlet of the liquefied petroleum gas station and it will function the safe back-flow once the front pressure of the pump is over the set walue