Check Valves By Crystal Exports

We are a well-reputed firm that manufacture, export, trade and supply an extensive range of Check Valves in Vasai, Maharashtra, India.

Technical Specificatons
Types : 1 Piece, 2 Piece & 3 Piece. In i? Line & Lift type.
MATERIALS 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 : 1/8i? (3mm) to 1 i? i? (45mm)
Size Range : 1/8i? To 2i?
End Connection : Screwed NPT/BSP Ends , Twin Ferrule Tube Fitting Ends, Socketweld, Buttweld & Flange Ends.
Test Pressure : 25A 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.

Features
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.