Features:

Size Range: 1/2" up to 2"

Pressure Class Range: 150LB To 2500LB

End Connection: NPT,SW

Material: Forged steel

Seals: Metal to Metal

Standards:

Valves Design: API602

Face to Face: Manufacture Standard

End Connection: /

Testing&Inspection: API598

Suitable Medium: Water,Oil,Air And Some Corrosive liquid

 

A check valve, clack valve, non-return valve, reflux valve, retention valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.

 

 

 

Application scope: petroleum chemical industry, electric power, metallurgy, medicine, real estate, municipal engineering and other industries.