Fig. IV-6401 · Fire Protection
Pressure Reducing Valve — Fire Service
Reduces high inlet pressure to safe sprinkler working levels
ULFM
Pilot-operated pressure reducing valve for high-rise standpipe and sprinkler zones, maintaining constant outlet pressure across the full flow range including hose-stream demand.
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-6401 |
|---|---|
| Size range | 2″ – 8″ (DN50 – DN200) |
| Pressure rating | Inlet to 400 psi; field-adjustable outlet |
| End connections | Flanged / Grooved |
| Typical materials | As specified on the project datasheet |
| Design standards | NFPA 13 · NFPA 14 |
| Certifications (per manufacturer) | UL · FM |
Key features
- Pilot-controlled — accurate under no-flow & full-flow
- Field-adjustable set point
- In-line serviceable internals
- Optional supervisory trim
