Non-Return Valves

Swing Check Valve

Technical Specification

Application Unidirectional Flow
Features/Benefits
  • Bolted Cover
  • Swing type flap
  • Renewable & Integral seat rings
  • Resilient, integral & stallited seat
  • Low pressure drop, suitable for vacuum application
  • High flow passage
ANSI class / Rating 150#, 300#
Design Standard BS 1868, API 6D
Testing Standard API 598, ISO 5208
Size 50-300 mm NB
M.O.C Body : WCB, CF8, CF8M, Hast Alloy, Super Duplex, Alloy 20 , LCB etc
Trim : 13 % Cr, Stellite etc
Ends Flanged end, Butt weld, Socket weld
Operation -

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Swing type check valves used for unidirectional flow of the fluid in the process industries. Constructional detail of the valves is bolted bonnet swing type flap. The swing type flap design reduces pressure drop across the valve and operational at very low delta P. The valve could be mounted in any position – horizontal or vertical. The only valve suitable for vacuum application.


Forged steel check valve

Technical Specification

Application Unidirectional Flow
Features/Benefits
  • Bolted Cover
  • Lift type flap
  • Renewable & Integral seat rings
  • Integral & stallited seat
  • Low pressure drop
  • High flow passage
ANSI class / Rating #800
Design Standard BS 5352
Testing Standard ISO 5208
Size 15-50 mm NB
M.O.C Body : A105, F11, F22, LF2, F304, F304L, F316, F316L
Trim : 13 % Cr, Stellite etc
Ends Screwed End, Socket Weld End, Butt Weld End
Operation -