Through Bolting Lug type Dual Plate Check Valve

Short Description:

Through Bolting dual-plate check valve opening and closing member is opened or closed by the medium flow and the force to prevent the back flow of the valve from being called a check valve. Check valves are automatic valves, mainly used on pipes with one-way flow of media, allowing only the media to flow in one direction to prevent accidents.

The dual-plate check valve is used for pure pipelines and industrial, environmental, water treatment, high-rise building water supply and drainage pipelines to prevent reverse flow of media. The check valve adopts a clip type, the butterfly plate has two semicircles, and the spring is forcibly reset, and the sealing surface can be a body wear welding wear material or a lining rubber, and the utility model has wide application range and reliable sealing.

Nominal Diameter: 1-1/2″ – 20“(DN40 – DN500)

Pressure range: Class150- Class2500 (PN16- PN420)

Working temperature: -196℃ - +560℃

Body material: Cast Iron, Ductile Iron, Carbon steel, LCB, LCC, Stainless steel,

Supper Duplex Steel (F51/F55), 4A, 5A, Alloy steel, Aluminum Bronze.

Design and manufacture: API594, API 6D

Face to face: API594, API6D, DIN3202

End Connection: ANSI B16.5, DIN2543-2548, ASME B16.4, API605

Inspection and test: API598

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Product Tags

Nominal Diameter: 1-1/2″ – 48″(DN40 – DN1200)
Pressure range: Class150- Class2500 (PN16- PN420)
Working temperature: -196℃ – +560℃
Body material: Cast Iron, Ductile Iron, Carbon steel, LCB, LCC, Stainless steel,
Supper Duplex Steel (F51/F55), 4A, 5A, Alloy steel, Aluminum Bronze.

Design and manufacture: API594, API 6D
Face to face: API594, API6D, DIN3202
End Connection: ANSI B16.5, DIN2543-2548, ASME B16.4, API605
Inspection and test: API598

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Axial Flow Type Check Valve