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Double Flanged Type Dual Check Valve

Double Flanged Type Dual Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
Product Details

Double Flanged Type Dual Check Valve


Double Flanged Type Dual Check Valve is used for pipes under following conditons: nominal pressure 1.0 Mpa-42.0 Mpa, Class150~2500; nominal size DN15~1200mm; working teperature: -195~540℃. Applying different materials, it can be used for water, steam, oil, nitric acid, acetic acid, oxidizing liquid and carbamide etc.


Manufacture Standard

Face to Face

Flange Drilling

Pressure-Temperature Class

Test Standard

API594, API6D, JB/T8937

API594, API6D JB/T8937

JB/T74~90, GB/T13402, GB/T9112-9124, HG/T20592~20635, SH3406, ANSI B16.5, API604, ASME B 16.47, DIN2543-2548

JB/T74, GB/T9124, HG20604~20625, ASME B16.34, DIN2401, SH3406




1.Short in Length, the face to facet is only 1/4~1/8 of the standard one.

2.Small in size and light in weight, the weight is only 1/4~1/20 of the normal one.

3.Quick in closing, small in water hamper

4.Can be installed vertically or horizontally.

5.Easy flow, little flow resistance.

6.Quick reaction, good seal perfromance.

7.Short in Stroke, small in closing impact.

8.Compact structure, beautiful design.

9.Long life span, high reliability.

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