Flanged Swing Check Valve
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Flanged Swing Check Valve

Flanged swing check valve is a special type of check valve with flange connections and a rotary operation that prevents backflow.

Applications

Flanged swing check valve is used in water conveyance systems, seawater pipeline systems, gas pipeline systems, high-temperature and high-pressure gas conveyance pipelines systems and weak acid-base transport systems.

Basic Information
Size Range
DN50-DN400
Temperature Range T
0-100℃
Maximum Allowable Operating Pressure PN
1.0-2.5Mpa
Pressure Rating
1.5-3.75Mpa (Shell)
1.1-2.4Mpa (Seal)
Applicable Media
Hot water, freshwater, seawater, air and so on.
Materials
No. Part Material No. Part Material
1 Valve Body Stainless Steel Cast Steel 4 Valve Pin Stainless Steel
2 Valve Disc Stainless Steel 5 Gland Stainless Steel, Cast Steel
3 Valve Seat Stainless Steel Cast Steel 6 Bolts 45#, Stainless Steel
Specifications
Specifications
Size L ØD ØD1 ØD2 b-f n-Ød(PN16) n-Ød(PN25) H Notes
DN50 230 100 125 160 16/20-3 4-Ø18 4-Ø18 135 PN16/25
DN65 290 120 145 180 18/22-3 4-Ø18 4-Ø18 140 PN16/25
DN80 310 135 160 195 20/22-3 8-Ø18 8-Ø18 145 PN16/25
DN100 350 155/160 180/190 215/230 20/24-3 8-Ø18 8-Ø23 165 PN16/25
DN125 400 185/188 210/220 245/270 22/28-3 8-Ø18 8-Ø25 250 PN16/25
DN150 480 210/218 240/250 280/300 24/30-3 8-Ø22 8-Ø25 295 PN16/25
DN200 550 265/278 295/310 335/360 26/34-3 12-Ø22 12-Ø25 315 PN16/25
DN250 650 320/332 355/370 405/425 30/36-3 12-Ø25 12-Ø30 430 PN16/25
DN300 750 375/390 410/430 460/485 30/40-4 12-Ø25 12-Ø30 480 PN16/25
DN350 850 435/448 470/490 520/550 34/44-4 16-Ø25 16-Ø34 500 PN16/25
DN400 950 485/505 525/550 580/610 36/48-4 16-Ø30 16-Ø34 520 PN16/25
Certifications
Item Standard
Design & Manufacture GB12236
Face to Face Dimension GB12221
Flange Connection JB/T 79
Valve Test JB/T 9092-1999
Valve Supply Requirements GB12220-89
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