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Check Valves

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Product Details

“IVM” OFFERS SWING TYPE CHECK VALVES, DUAL PLATE TYPE CHEK VALVES, WAFER TYPE CHECK VALVES, DISC TYPE CHECK VALVES

“IVM” Check Valves are Bolted cover Swing type, Dual Plate type, Wafer type, Disc Type designed from PN 10, PN 16, 150# To 600#.

“IVM” Check Valves [NRV] are Swing Type and Bolted cover Construction. The one piece disc construction is securely fastened to the hinge by means of a lock nut & pin. The Disc is free to rotating type to avoid any other wear. The hinge pin offers excellent wear resistance properties.

Swing Check valves also can be supplied with Titling disc design, Dash pot arrangement and outside lever & weight design for use where control of the disc is desires.

“IVM” also offer P.T.F.E. (PFA / FEP) Lined Ball Type/Y Type & Rubber Lined Flap Type Check Valves for high corrosive application.

These valves are suitable for vertical as well horizontal lines.

Salient Features :
• Body & Cover made from high quality casting with liberal sections. The castings are precision machined for high performance.
• Body Seat Ring & Disc machined to close Tolerances providing smooth action and accurate seating.
• Seat Ring Screwed in to the body are replaceable type. Seal welded type Seat Ring & Integral Seat cab also be offered on special request.
• Stellited Seat Ring & Disc also be offered on special request.
• In built wear life for long duration in service.

These valves are applicable for oil, gas, water, refining, power and chemical, where the prevention of flow reversal is mandatory.

Material Specification

Body/Cover/Hinge
ASTM A 216 GR. WCB
ASTM A 217 GR. WC1/WC6/WC9/WC11
ASTM A 352 GR. LCB/LC3
ASTM A 351 GR. CF 8 /CF 8M/CF 3/CF 3M/CN 7M
IS 210 GR. FG 200/220/250/260
Disc
AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy 20
Seat
AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy 20
Hinge Pin
AISI 410 (13% Cr.) /AISI 304/316/304L/316L/Alloy 20
Gasket
CAF/Grafoil/S.S. Spiral Wound With CAF/Grafoil/P.T.F.E.
Disc Lock Nut
A 194 GR. 2H/S.S. 304/316
Stud & Nut
ASTM A 193 GR. B7/ A 194 GR. 2H/S.S. 304/316
Manufacturing Std.
BS : 1868 / API 594
Test & Inspection Std.
BS : 6755 / API 598
End Connection
Screwed End to BSP, BSP(T), NPT, Socket weld End, Flange End, Buttweld End
Flange Confirmity
ANSI B 16.5 RF 150#, 300#, 600#, PN 10, PN 16, DIN