Maplef Swing Check Valve MV30-311D features a ductile iron body and bronze seating components for automatic backflow prevention. Its swing disc opens with forward flow and closes against reverse flow, helping protect connected piping and equipment. Supplied by Alyamitech in Saudi Arabia for compatible water and industrial piping applications.
Key Features
- Automatic non-return operation without manual actuation.
- Ductile iron construction with bronze trim.
- Bolted cover provides access for inspection and maintenance.
- Suitable for horizontal pipelines or vertical upward flow.
- PN16 flanged ends for pipeline installation.
Technical Specifications
| Specification | Details |
|---|---|
| Model | MV30-311D |
| Design | Swing check valve; BS EN 12334, formerly BS 5153 |
| Pressure rating | PN16 |
| Sizes | DN65–DN600 (2½″–24″) |
| Connections and dimensions | BS EN 1092-2 PN16 flanges; BS EN 558-1 Series 10 face-to-face |
| Water operating range | −10°C to +100°C at 16 bar |
| Listed media | Water, oil and steam; confirm operating limits for oil and steam |
Materials of Construction
| Component | Material |
|---|---|
| Body, bonnet, disc and hinge | Ductile iron |
| Seat and disc ring | Bronze |
| Stem / hinge pin | Stainless steel |
| Body gasket | Graphite with stainless steel |
