SEALMECH Check Valves are Bolted cover design up to 600# and above pressure seal design. SEALMECH Swing check valves are suitable for vertical and horizontal both line. A SEALMECH wide range of Check Valves (Non-Return Valves) available for oil, gas, water, refining, power and chemical applications, where the prevention of flow reversal is mandatory.
SEALMECH Swing Check valves are available under any Third party inspection.
Standards: | Design Standard | BS 1868/API 6D | Inspection & Testing Standard | BS 6755/API 6D | Face To Face | As Per ANSI B 16.10 | End Connection | Flanged End To ANSI B 16.5/BS 10 Table
Buttweld End To ANSI B 16.25 | Size Range | 1" To 24" | Pressure Rating | 150# To 1500# |
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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.)/ISI 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 |
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