Description
Wafer Swing Check Valve is a thin-bodied swing check valve installed between two flanges. Fluid pressure opens the flap up to 90 degrees; when pressure drops, the flap closes by itself and is pressed onto its seat by the back pressure.
Technical Specifications
| Size range | DN25 – DN1000 |
|---|---|
| Connection | Wafer (fits PN6, PN10, PN16, PN25 and ANSI 150 flanges) |
| Working pressure | 10 bar |
| Maximum pressure | 16 bar |
| Working temperature | 100 °C |
Materials
| Body | AISI 304 / AISI 316 |
|---|---|
| Disc / plate | AISI 304 / AISI 316 |
Applications
- Water and wastewater lines
- Pump discharge lines
- Tank filling and drain lines
- Heating, cooling and HVAC systems
Key Features
- Very thin body, fits between flanges
- Light and economical
- Wide size range (DN25 – DN1000)
Selection and Installation
Size a check valve by the flow rate, not only by the pipe size; in an oversized valve the disc cannot open fully and flutters. Install it with the arrow on the body pointing in the flow direction. A strainer upstream extends its service life.
See the product catalogue (PDF) for dimensions and weights.
For check valve types, selection criteria and FAQ, read our what is a check valve guide; see all models on our check valves page.
