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British Grooved Double-Door Check Valve
Standard: EN 1074-3 Operating Temperature: 0°C–80°C Pressure Rating: PN16 Surface Protection: FBE coating according to AWWA C550
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British Grooved Double Door Check Valve ,
Product Description
The British Grooved Double-Door Check Valve is a grooved non-return valve designed to keep water flowing in one direction. Its dual clappers open under forward flow and close when reverse flow occurs, helping protect the piping system from backflow.
Key Features
- Grooved double-door check valve structure
- Non-return valve design for one-way water flow
- Dual clappers open to allow forward flow
- Clappers close to help prevent reverse flow
- Suitable for grooved fire protection piping systems
- Compact valve body for pipeline installation
- Available in DN200 to DN300 sizes
- PN16 working pressure across listed sizes
Product Configurations
| Item | Details |
| Valve Structure | Dual-clapper non-return design |
| Valve Function | One-way water flow control |
| Disc / Clapper Action | Opens for forward flow and closes against backflow |
| Connection Style | Grooved-end valve body |
| Size Range | 8″ / DN200 to 12″ / DN300 |
| Face-to-Face Length | 160 mm or 180 mm depending on size |
| System Use | Fire protection water piping system |
FAQ
Q1: Who are we?
A: We are a fire fighting equipment manufacturer based in Fujian, China. Since 2004, we have supplied a wide range of fire safety products for domestic and international markets, including fire sprinklers, hydrants, valves, hoses and extinguishers.
Q2: How do we ensure product quality?
A: We follow strict quality control procedures from raw material inspection to production and final shipment. Pre-production samples and final inspections can be arranged according to order requirements.
Q3: What products do we supply?
A: We supply fire sprinklers, fire extinguishers, fire hydrants, fire valves, fire hoses, hose reels, fire cabinets, foam equipment and other fire fighting accessories.
Q4: Why choose Sunroom?
A: Sunroom has over 21 years of experience in fire fighting equipment manufacturing. We offer a wide product range, support customized production, and provide certificates or technical documents according to product and project requirements.
Certificate
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No. 55 Baoshun Road, Successful Development Zone,Quanzhou City，Fujian Province
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SUNROOM FIRE SAFETY MANUFACTURING
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No. 55 Baoshun Road, Successful Development Zone,Quanzhou City，Fujian Province
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