Fig. IV-0301 · Fire Protection
NRS Resilient Seated Gate Valve
Non-rising stem valve for underground and tight installations
ULFMNSF-61NSF-372
Non-rising-stem resilient seated gate valve for buried fire mains and space-restricted valve rooms. Operates with indicator post or square nut for direct burial service.
Products are supplied to the stated API / ISO / ASME / AWWA standards from qualified manufacturers for projects in Saudi Arabia, including Dammam, Jubail, Yanbu, Riyadh, Jeddah and the Eastern Province. Certifications, monograms and listings are those of the manufacturing plant and are provided as specified in the purchase order.
Technical specifications
| Figure number | IV-0301 |
|---|---|
| Size range | 2″ – 24″ (DN50 – DN600) |
| Pressure rating | 250 / 300 psi (17 / 21 bar) |
| End connections | Flanged / Mechanical Joint / Push-On |
| Typical materials | As specified on the project datasheet |
| Design standards | AWWA C515 · AWWA C509 |
| Certifications (per manufacturer) | UL · FM · NSF-61 · NSF-372 |
Key features
- Low operating torque — single-operator to 24″
- Stem thrust washers in bronze for smooth cycling
- Full-bore waterway, zero flow restriction
- NSF-61/372 certified for potable contact
