Cryogenic Top Entry Ball Valve

Design Features:

1.DIB-2 Middle cavity self-decompression structure.

2.Bonnet is an integral extended structure, and the valve cover seal adopts a combination of spiral wound gasket and lip seal ring.

3.Stem seal adopts a combination of flexible graphite ring and lip seal, which has anti-static and fire-safe design.

4.All casting and forging materials are 100% immersed in a liquid nitrogen pool at -196℃ for cryogenic treatment after rough machining and before fine machining.