Maplef Fully Lugged Butterfly Valve MV20-221 features an epoxy-coated ductile iron body, replaceable EPDM liner and manual gear operation. Designed for installation between PN16 flanges, it provides flow isolation and control in water distribution, HVAC and compatible industrial piping systems. Supplied by Alyamitech in Saudi Arabia.
Key Features
- Fully lugged body for secure installation between flanges.
- Gear operation for controlled opening and closing.
- Epoxy coating helps protect the body against corrosion.
- Replaceable EPDM liner for sealing and maintenance.
- ISO 5211 top flange for actuator mounting.
Technical Specifications
| Specification | Details |
|---|---|
| Model | MV20-221 |
| Design and operation | Fully lugged butterfly valve; gear-operated; BS EN 593 |
| Pressure rating | PN16 |
| Sizes | DN150–DN600 (6″–24″) |
| Flange compatibility | BS EN 1092-2 PN16; face-to-face dimensions to BS EN 558-1, Series 20 |
| 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 | Epoxy-coated ductile iron |
| Disc options | Ductile iron, stainless steel or aluminium bronze |
| Shaft and top plate | Stainless steel |
| Seat and O-ring | EPDM; NBR also listed as an option |
| Bushing and gear | Bronze bushing; cast iron gear |
Disc and elastomer materials depend on the selected configuration.
