SWING CHECK VALVE

Swing Check Valves are used to prevent the back flow of fluid by closing before flow reversal, thereby preventing slam and water hammer. Swing Check Valves have been successfully installed in clean and dirty applications including sewage treatment, water treatment, water distribution, industrial water and wastewater services. The designs meet or exceed the current revision of AWWA Standard C508.

SWING CHECK VALVE

Design Features

Swing Check Valve available in sizes 2” to 14” (50mm to 350mm) are rated to 250 Psi CWP (1725 KPa) and are available with ANSI Class 125/150 Flanges. Constructed with a heavy Ductile Iron Body. Closure control devices include Air Cushioned Cylinder and Lever & Weight.

Salient Features

  • Size Range:
    50mm to 350 mm dia ( 2" to 14")
  • Operating Options:
    Air Cushioned Cylinder and Lever & Weight.

Material of construction

S.NO Name Material
A1 Body Ductile Iron
A2 Disc Ductile Iron
A3 Stem SS 303 / SS 304 / SS 316
A4 Liner(Seat) EPDM / NITRILE with CF8M
A5 Pressure Rating 125, 150, 250, 300 class

SWING CHECK VALVE WITH MOUNTING
SCV-M

Design Features

Swing Check Valve with mounting 4” to 12” (100mm to 300mm) can be rated upto 500(3450 Kpa) and are available with ANSI Class 125/150 Flanges. Constructed with a heavy ductile iron body. Closure control devices include Air Cushioned Cylinder, Oil Controlled Cylinders, Bottom Mounted Buffer, Lever & Weight.

Salient Features

  • Size Range:
    100mm to 300 mm dia ( 4” to 12”)
  • Operating Options:
    Air Cushioned Cylinder, Oil Controlled Cylinders, Bottom Mounted Buffer, Lever & Weight.
swing-check-valves-detail

Material of construction

S.NO Name Material
A1 Body Ductile Iron
A2 Disc Ductile Iron
A3 Stem SS 303 / SS 304 / SS 316
A4 Liner(Seat) EPDM / NITRILE with CF8M
A5 Pressure Rating 125, 150, 250, 300 class

SLANDING DISC CHECK VALVE

Design Features

Slanding Disc Check Valves are very reliable and efficient check valve in design. The disc pivot point is off center which shows the closing of the disc. Split body design(two half – top & bottom body) increases the flow area around the disc by creating very low head loss. Slanding Disc Check Valves is a metal to metal seated valve. These valves are available as a free swinging, free open/controlled close, or controlled open/close. SDCV are mostly used for maximum efficiency in power plants and water pumping stations.

Salient Features

  • Size Range:
    150mm to 300 mm dia ( 6” to 12”)
  • Operating Options:
    Bottom Mounted, Top Mounted.
swing-check-valves-detail

Material of construction

S.NO Name Material
A1 Body Ductile Iron
A2 Disc Tin Bronze
A3 Stem SS 303 / SS 304 / SS 316
A4 Liner(Seat) Tin Bronze
A5 Pressure Rating 125, 150, 250, 300 class

DUAL PLATE CHECK VALVE

Design Features

The Dual Plate Check Valve is an all purpose non-return valve that is much stronger, lighter in weight and smaller in size compared to a conventional swing check valve or lift check valve.

The Dual Plate Check Valve design is the outcome of attempts to solve the problems associated with conventional swing check valve and lift check valve. The Dual Plate Check Valve employs two spring-loaded plates hinged on a central hinge pin. When the flow decreases, the plates close by the action of torsion spring before flow reversal takes place. This design offers the twin advantages of No Water Hammer and Non Slam simultaneously.

The Valve design conforms to API 594 as well as API 6D except face-to-face dimensions of ANSI 125 Cast Iron valves of sizes 50mm (2”) to 300mm (12”). Dual Plate Check Valves are available in Wafer design, Soft Seating are available. Soft Seats are integrally moulded type.

Dual Plate Check Valves are used for applications like Water supply systems, Fire Water systems, Cooling Water, Chilled/Hot Water systems, Boiler Feed Water, Sea Water, Potable Water, Raw Water etc.

Salient Features

  • Size Range:
    50mm to 300 mm dia ( 2” to 12”)
swing-check-valves-detail

Material of construction

S.NO Name Material
A1 Body Cast Iron (Epoxy Powder Coated)
A2 Flap WCB / CF8M
A3 Seal EPDM / NITRILE
A4 Pressure Rating 125, 150, 250, 300 class
A5 Face-to-Face DIN 3203-k3
A6 Testing Standard API 598
A7 Flange Drilling DIN 2501 PN10/ PN16
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