Designed to prevent reverse flow of working medium in pipelines.
Climatic design according to GOST: U, ??
Connection versions (GOST): socket, flanged, welded
Connection threads: G 1/2", G3/4", G1"
Installation position on horizontal pipework with cap upwards
Key benefits:
sealing surfaces can be made of stainless steels and soft seals.
possibility of manufacturing of body parts from stainless steel
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