ХАЛЛ ГРУПП · Equipment catalogue
Wafer Check Valve
JB/T 8937; GB/T 12221; GB/T 13927; -20~120°C. DN50–250 are explicit; the continuation prints only 12–32 inch sizes under a DN header.
Technical parameters
- Design
- Wafer Check Valve
- Catalogue pressure ratings
- PN10 · PN16 · Class 150
- Catalogue materials
- Body: DI · Disc: DI, CF8, CF8M, CF3, CF3M · Seat: EPDM, NBR · Stem: SS420, SS304
- Actuation
- Automatic
Dimension table
| DN / Configuration | DN / Size | ΦD | ΦD1 | L |
|---|---|---|---|---|
| 50 | — | 101 | 65 | 43 |
| 65 | — | 118 | 80 | 46 |
| 80 | — | 132 | 94 | 64 |
| 100 | — | 157 | 117 | 64 |
| 125 | — | 186 | 145 | 70 |
| 150 | — | 213 | 170 | 76 |
| 200 | — | 272 | 224 | 89 |
| 250 | — | 328 | 265 | 114 |
| 12" | — | 378 | 310 | 114 |
| 14" | — | 438 | 360 | 127 |
| 16" | — | 489 | 410 | 140 |
| 18" | — | 539 | 450 | 152 |
| 20" | — | 594 | 505 | 152 |
| 24" | — | 695 | 624 | 178 |
| 28" | — | 810 | 720 | 229 |
| 32" | — | 917 | 825 | 241 |
Selection and applicability
This part of the source has ambiguous designations or differences between description, drawing and table. Original tabulated values are shown. Confirm dimensions, rating, material and the applicable design before ordering.
A dual-plate wafer check valve is not mapped to swing or lift check-valve codes solely by DN.
Photographs and drawings



Include with your enquiry
- Process medium, pressure and temperature
- DN/NPS, PN/Class, flange facing and face-to-face dimensions
- Body and sealing materials, actuator and testing requirements
Related sections
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The specification, documents and supply terms are agreed for your enquiry. Supplier stock, lead time and price are confirmed in a separate offer.