Components
Body Cast iron or Ductile iron
Bonnet Cast iron or Ductile iron
Disc Cast iron/Ductile ironwith NBR or EPDM
Stem Stainless steel
Application
Face to face is according to BSS153/MSS-SP-71
Flange drilled is acording to BS4504/ANSI B16.1/B16.5
Rubber flapper type check valve
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