Check Valves

check-valves-2

Types

  • 1 Piece, 2 Piece & 3 Piece. In –Line & Lift type.

Material of Construction

  • Body: Stainless Steel, CS A105, Brass, Monel, Hastelloy.
  • Poppet/Ball: SS 316, SS 304, Monel.
  • Seal: VITON, P.T.F.E.
  • Orifice Dia: 1/8” (3mm) to 1 ¾ ”(45mm)
  • Size Range: 1/8” To 2”
  • End Connection: Screwed NPT/BSP Ends, Twin Ferrule Tube Fitting Ends, Socketweld , Buttweld & Flange Ends.
  • Test Pressure: 25°C Room Temperature
  • Hydrostatic: Body – 620 Bar, Seat – 413 Bar
  • Pneumatic: Seat – 60 Bar
  • Cracking Pressure: Standard – 7 psi (0.5 Bar)
  • Finish: CS Zinc Plated, SS –Natural.

Feature

  • Lapped seat provides leak tight shut-off.
  • Internal design guides flow around or inside spring & not through coils, when valve is open
  • Effective leak-tight closure with minimum flow resistance.
  • Valves are available with various cracking pressure, from 1/3 to 25 psi.
  • 2 piece body permits interchangeability of end connection.
  • Each valve is 100 % tested at required pressure, to ensure leak tightness at Seat and Shell.

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