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swing type forged check valve manufacturer

Dharmi engineers flanged end, 150# & 300# check valves are swing check type and the 800# class check valves are piston type lift check valves. the piston type valve works up and down providing a strong, firm seal under high pressure conditions.
An iso 9001 certified quality swing type check valve manufacturer, nrv, swing type non return valve, exporter, supplier, stockist. duplex steel, super duplex steel, alloy 20, hastelloy c22, c276, austenitic stainless steel material check valve manufacturers.
Select the best type of valve for the intended service (gate, check, etc.). sanco gate and globe valves are available with a selection of wedge or disc configurations for different services. sanco valves may be sized to match existing lines, but swing check and stop-check valves should also be sized according to flow conditions for maximum service life.
The piston, ball or disc is forged steel and is part of the valve trim. the seating surface of the piston and ball check is of the tapered or plug type design. the seating surface of the swing check is of the flat seat design. 8. spring. the spring is optional and supplied only upon request.

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