Size Range: 1/2" up to 2"
Pressure Class Range: 150LB To 2500LB
End Connection: NPT,SW
Material: Forged steel
Seals: Metal to Metal
Valves Design: API602
Face to Face: Manufacture Standard
End Connection: /
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.