Fig. IV-5101 · Fire Protection
UL/FM Swing Check Valve
Fire-main backflow check in all end configurations
ULFM
Swing check valve for fire protection systems, preventing reverse flow into supply mains and pump discharge headers. Full-opening clapper minimizes friction loss.
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-5101 |
|---|---|
| Size range | 2″ – 12″ (DN50 – DN300) |
| Pressure rating | 300 psi (21 bar) |
| End connections | Flanged / Grooved / Wafer |
| Typical materials | As specified on the project datasheet |
| Design standards | AWWA C508 · NFPA 13 |
| Certifications (per manufacturer) | UL · FM |
Key features
- Ductile iron body, bronze or EPDM-faced clapper
- Field-replaceable seat ring
- External lever & weight options
- Horizontal or vertical (flow-up) mounting
