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Stainless Steel Dual Plate Check Valve

Description:

Stainless Steel Dual Plate Check Valve Retainerless body Design with no external body penetrations eliminating the possibility of outside leakage. Disc assembly secured in place by high strength key.

• End Gasket Surfaces are uninterrupted with no screws or lock pins breaking the gasket surface. No gasket restrictions required.

• Seat faces lapped for smooth finish and superior sealing

• High torsion inconel springs for quick closing

• Each valve is shell and seat pressure tested per industry standard API 598

• Available in Wafer, Lug and Double Flange styles

• Other available options as follows:

-Alternate valve materials such as chrome and stainless steel alloys

-Alternate trim materials.

-Higher Pressure Classes

-NACE service.

-Special cleaning for applications such as oxygen or chlorine.

-Other options available as specified.

Design Features:

Compact and reasonable product structure, reliable tightness and good performance;
Small volume and light weight;
Applied widely;
Rapid closing and flexible actions of the valve clack
Small closing impact, water hammer is not liable to be generated;
Smooth fluid passageway and small fluid resistance;

Design Specifications:

Wall thickness: API594

Pressure-temperature ratings: ASME B16.34

General valve design: API594/B16.34

End to End dimensions: API594

Flange design: ASME B16.5

Materials: ASTM

Product Range:

Body material: carbon steel, stainless steel, alloy steel

Nominal diameter: 1/2"～48"（DN15~DN1200）

Pressure range: Class150～2500（PN10~PN420）

End connection: RF, RTJ

Working temperature:-196℃～+560℃