These valves are designed to shut off the return flow of the working medium in pipelines.
Climatic version according to GOST: ?, ??
Connection versions (GOST): flanged, welded.
Installation position on horizontal, vertical and lifting sections of pipelines with flow direction from bottom to top according to the arrow on the body.
Main advantages:
sealing surfaces made of stainless steels
possibility of manufacturing of body parts from stainless steels or alloys
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