Flanged Swing Check Valve
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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
| 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 |