Swing check valve

features:

1. pressure self-sealing bonnet/bolt connection bonnet
2. welded valve seat is hard-faced by Stellite or equivalent alloy.
3. inclined sealing surface, depending on the valve disc gravity can also achieve a certain degree of sealing.
4. disc is easy to remove
5. optional built-in stem structure to reduce leakage

Specifications:

1. end connection butt welding, flange
2. valve body design full diameter FB, standard diameter PB
3. materials carbon steel, alloy steel, stainless steel (casting and forging)
4. Pressure level ASME 900CL ~ 2500CL
5. Seal Level Zero Leakage
6. Design Standard ASME B16.34

valve size 1/2 "~ 18"