Maplef Double Door Wafer Check Valve MV30-221 combines a ductile iron body, resilient EPDM seat and spring-assisted twin discs for automatic backflow prevention. Its compact wafer design fits between PN16 flanges, reducing installation space. Supplied by Alyamitech in Saudi Arabia for water and compatible industrial piping systems.
Key Features
- Double-door mechanism for automatic non-return operation.
- Stainless steel spring assists disc closure.
- Resilient EPDM seat supports tight sealing.
- Compact wafer body fits between pipeline flanges.
- Ductile iron or stainless steel disc options.
Technical Specifications
| Specification | Details |
|---|---|
| Model | MV30-221 |
| Design | Double-door, spring-assisted wafer check valve |
| Pressure rating | PN16 |
| Sizes | DN65–DN600 (2½″–24″) |
| Connections | Fits between BS EN 1092-2 PN16 flanges |
| Water operating range | −10°C to +110°C at 16 bar |
| WRAS temperature range | Manufacturer lists −10°C to +85°C |
Materials of Construction
| Component | Material |
|---|---|
| Body and seat | Ductile iron body with EPDM seat |
| Discs | Ductile iron or stainless steel |
| Stem, spring and plug | Stainless steel |
| Gasket | Bronze, as listed in the manufacturer’s datasheet |
