Single Disc Wafer Check Valve
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Single disc wafer check valve is a simple, fast-opening and closing, and compact flow control device that can be used in various media transport pipeline systems and has a check valve function to prevent backflow.
Applications
Single disc wafer check valve can be 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-DN600
- Temperature Range T
- 0-100℃
- Maximum Allowable Operating Pressure PN
- 1.0-4.0Mpa
- Pressure Rating
- 1.5-6.0Mpa (Shell)
1.1-4.4Mpa (Seal)
- Applicable Media
- Hot water, freshwater, seawater, air and so on.
Materials
| No. | Part | Material |
| 1 | Valve Body | CF8, CF8M |
| 2 | Valve Disc | CF8, CF8M |
| 3 | Valve Seat | EPDM, NBR, Fluoroelastomer |
| 4 | Suspension O-Ring | CF8 |
Specifications
| Size | L | ØD1 | ØD | ||||
| 1.0/1.6Mpa | 2.5/4.0Mpa | 1.0Mpa | 1.6Mpa | 2.5Mpa | 4.0Mpa | ||
| DN50 | 15 | 19 | 25 | 104 | 104 | 109 | 109 |
| DN65 | 15 | 19 | 38 | 125 | 125 | 129 | 129 |
| DN80 | 16 | 19 | 46 | 140 | 140 | 144 | 144 |
| DN100 | 16 | 19 | 72 | 160 | 160 | 170 | 170 |
| DN125 | 17 | 19 | 95 | 185 | 185 | 196 | 196 |
| DN150 | 19 | 29 | 114 | 220 | 220 | 226 | 226 |
| DN200 | 26 | 29 | 140 | 270 | 270 | 286 | 293 |
| DN250 | 29 | 38 | 188 | 330 | 331 | 343 | 355 |
| DN300 | 38 | 51 | 216 | 380 | 386 | 403 | 420 |
| DN350 | 38 | 45 | 263 | 440 | 446 | 460 | 477 |
| DN400 | 48 | 55 | 305 | 491 | 495 | 517 | 549 |
| DN450 | 48 | 60 | 356 | 541 | 588 | 567 | 574 |
| DN500 | 58 | 70 | 406 | 596 | 620 | 622 | 626 |
| DN600 | 68 | 78 | 482 | 698 | 732 | 734 | 745 |
Certifications
| Item | Standard |
| Design & Manufacture | GB12238-89 |
| Face to Face Dimension | GB12221-2005 |
| Flange Connection | GB9113-2000 |
| Valve Test | GB/T13927-92 |
| Valve Supply Requirements | GB12220-89 |