Direct Factory Partners
Trusted Manufacturing Network
Global Industrial Sourcing
Direct Factory Partners
Grooved Fire Butterfly Valve
Technical Requirement:
- Design & Manufacture: GB 5135.6
- Face-to-Face: Manufacturer standard
- End Connection: Grooved ends to GB 5135.11
- Inspection & Test: GB 5135.6
Description
The Fire Butterfly Valve is a grooved-end, gear-operated butterfly valve designed for fire protection water supply. The red-coated ductile iron body, rubber-encapsulated disc and handwheel-driven worm gear provide reliable, controlled isolation of sprinkler and hydrant mains. Grooved ends allow fast assembly with standard mechanical couplings.
Technical Specifications:
- Pressure Class: PN16 / 300 PSI (2.1 MPa)
- Size Range: DN50 – DN300
- Applicable Medium: Fire water, potable water
- Operating Temperature: 0°C to 80°C
Main Parts and Materials:
| Parts Name | Materials |
| Body | Ductile Iron QT450-10, red epoxy |
| Disc | Ductile Iron, EPDM-encapsulated |
| Shaft | Stainless Steel 2Cr13 |
| Gearbox | Ductile Iron |
| Handwheel | Cast Iron / Steel |
Key Product Features:
- Grooved Ends: Quick installation without flange bolting or welding.
- Worm Gear Operation: Handwheel gives smooth, controlled closing and prevents water hammer.
- Encapsulated Disc: EPDM-covered disc ensures tight sealing and corrosion resistance.
- Fire Red Finish: High-visibility epoxy coating for easy identification.
- Signal Option: Can be supplied with supervisory switches for alarm monitoring.
Applications:
Ideal for Sprinkler Systems, Fire Hydrant Systems, Fire Pump Rooms, and Commercial Buildings. Specifically suited for grooved fire piping where fast installation and reliable isolation are essential.
Additional information
| Standard | GB |
|---|
