Size Range: 1/2" up to 12"
Pressure Class Range: PN16 To PN100
End Connection: BW,RF,RTJ
Material: Carbon Steel
Seals: Metal to Metal
Valves Design: DIN 3356
Face to Face: DIN 3202
End Connection: EN1092-1
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.