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American Wrench-Nut NRS Valve
Standard: Based on AWWA C515 and C509 End Connection: B16.1 Class 125 / B16.5 Class 150 flanged type, with mechanical joint option based on ANSI/AWWA C153/A21.53 Operating Temperature: 0°C–80°C Pressure Rating: 250 / 300 psi Surface Protection: FBE coating according to AWWA C550
Key words:
American Flanged NRS Gate Valve with Wrench Nut ,
Product Description
The American Wrench-Nut NRS Valve is a non-rising stem gate valve designed for flanged pipeline connection. It is operated by turning the wrench nut with an additional T-key tool instead of a handwheel, while the stem stays at a fixed height during valve opening and closing.
Key Features
- Non-rising stem gate valve structure
- Wrench-nut operation without handwheel
- Requires an additional T-key tool for operation
- Stem rotates without vertical movement
- Suitable for American fire protection water control systems
- Available from DN50 to DN600
- Larger sizes are available with different pressure ratings
- Designed for shut-off control in fire protection piping
Product Configurations
| Item | Details |
| Valve Structure | Non-rising stem gate design |
| Operation Method | Wrench nut operated by T-key tool |
| Handwheel Design | Not included |
| Size Range | 2″ / DN50 to 24″ / DN600 |
| Face-to-Face Length | 178 mm to 508 mm depending on size |
| Pressure Options by Size | 300 psi for DN50–DN300; 250 psi for DN350–DN600 |
| Installation Use | Fire protection pipeline shut-off control |
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.
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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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