Dual Plate Wafer Check Valve
Debug · supplier source (internal only)
Specifications
Confirmed at quote- Size Range
- DN50-DN800
- Pressure Class
- PN10/PN16
- Standards
- API 594, API609, BS5155, DIN3202, ISO5752, API 598, ISO5211, DIN PN10/16/25
- End connection
- Wafer type
Available sizes
Standard DN sizes covered by this product. Confirmed at quote.
Available pressure classes
Pressure classes this product is rated to.
Configure your variant(manually adjust box on the right if you require a different spec)
- Size
- Pressure
- End connection
Materials
All available material options per part. Click a pill to set it in the configurator.
- body
- disc
- seat
- stem
- spring
- body bearing
- body seat
- eye bolt
- hinge pin
- plate
- plug
- spring bearing
- stop pin
Dimensions per size(16 sizes)
| Size | B | E | DIN_PN10_16 | ANSI_150 | JIS_10K | Weight |
|---|---|---|---|---|---|---|
| DN50 | 43 mm | 66 mm | 107 mm | 102 mm | 101 mm | — |
| DN65 | 46 mm | 86 mm | 127 mm | 121 mm | 121 mm | — |
| DN80 | 64 mm | 95 mm | 142 mm | 133 mm | 131 mm | — |
| DN100 | 64 mm | 118 mm | 162 mm | 171 mm | 156 mm | — |
| DN125 | 70 mm | 146 mm | 192 mm | 193 mm | 187 mm | — |
| DN150 | 76 mm | 174 mm | 218 mm | 219 mm | 217 mm | — |
| DN200 | 89 mm | 225 mm | 273 mm | 276 mm | 267 mm | — |
| DN250 | 114 mm | 266 mm | 328 mm | 336 mm | 330 mm | — |
| DN300 | 114 mm | 311 mm | null mm | 406 mm | 375 mm | — |
| DN350 | 127 mm | 361 mm | null mm | 448 mm | 420 mm | — |
| DN400 | 140 mm | 411 mm | null mm | 511 mm | 483 mm | — |
| DN450 | 152 mm | 451 mm | null mm | 546 mm | 538 mm | — |
| DN500 | 152 mm | 506 mm | null mm | 603 mm | 593 mm | — |
| DN600 | 178 mm | 625 mm | null mm | 714 mm | 697 mm | — |
| DN700 | 229 mm | 721 mm | 809 mm | 828 mm | 807 mm | — |
| DN800 | 241 mm | 826 mm | 916 mm | 936 mm | 917 mm | — |
Operating media
Actuation options
Approvals
Features
- Spring-loaded dual plates open under forward flow pressure and close automatically on flow reversal
- Wafer-style body installs between standard flanges
- Low-profile, lightweight design
- Pressure-tested before delivery
- Dual-plate (twin disc) wafer check valve construction
- Spring-loaded dual discs for rapid closure
- Rubber-lined body (elastomer seat integral to body)
- Central hinge pin with return springs
- Wafer pattern — fits between flanges
- Lifting eye bolt on body (part 1 in diagram)
- Dimensions shown: ØA (overall outer diameter), ØE (flange bore/seat diameter), B (face-to-face length)
- Flow direction indicated on section drawing
- Part 10 identified as body/shell in section A-A
Notes
- Operating mode: manual, worm gear, pneumatic, electric, etc.
- Products hold up to 10 international authoritative certification certificates
- Diagram: Image 6: Front elevation and Section A-A of a dual-plate wafer check valve. Front view shows 10 numbered parts including: (1) lifting eye, (2) upper hinge pin retainer, (3) disc retainer/clip, (4) lower hinge pin retainer, (5) body, (6) elastomer seat/liner, (7) spring, (8) disc, (9) body outer ring. Section A-A shows key external dimensions ØA (overall diameter), ØE (bore diameter), and B (face-to-face length), with flow direction arrow.
Description
A dual-plate wafer-type check valve with two spring-loaded plates that open under forward flow pressure and close automatically when flow stops or reverses. The wafer-style body installs between standard flanges without major pipe modifications. Available in cast iron, ductile iron, carbon steel, and stainless steel construction.
Smart find
Searches our product catalogue using your spec. Drop a PDF — or multiple PDFs at once — paste a description or a part number and we'll find the closest matches for each. Anything we can't match goes to your RFQ as a custom enquiry for our team to source.Related Check Valves
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Adds to your quote request — not a purchase. Refine size, pressure and material before submitting.