Reliable F1FR80 QREC K8.0 Extended-Coverage Pendent Sprinkler
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The Reliable F1FR80 QREC is a quick-response, extended-coverage pendent sprinkler designed for light-hazard occupancies. It installs directly into wet fire protection piping systems using a standard threaded connection, providing reliable water discharge across broad floor areas when heat activates the thermal element.
This sprinkler satisfies NFPA 13 installation requirements for extended-coverage light-hazard applications. Always verify flow, pressure, and coverage requirements against applicable design tables, as the 155°F pendent carries specific listing limits that differ from the 135°F model.
Key Features & Construction
- Extended Coverage: Covers wider floor areas in light-hazard occupancies to reduce the total number of required sprinkler heads.
- Quick Response: Features a sensitive 3 mm glass bulb that detects temperature changes rapidly.
- Discharge Factor: Engineered with a K8.0 (115 metric) discharge capacity.
- Threaded Connection: Uses a ¾-inch thread for straightforward system attachment.
- Finish Options: Available in bronze, chrome, and polyester white finishes to match facility design needs.
Technical Specifications & Compliance Table
| Manufacturer / Brand | Reliable Sprinkler |
|---|---|
| Model / Series Number / SIN | F1FR80 QREC (SIN R4842) |
| Connection / Thread Size & Type | ¾-inch thread |
| Pressure Rating (WWP / Max Working Pressure) | N/A |
| K-Factor | K8.0 (115 metric) |
| Temperature Rating / Response Type | 135°F (57°C) or 155°F (68°C) / Quick Response |
| Material / Body Construction | Bronze, chrome, or polyester white finishes with 3 mm glass bulb |
| Agency Listings & Approvals | cULus Listed (with specific coverage limitations per temperature) |
| Applicable NFPA Standards | NFPA 13 |
Documentation: Download Reliable F1FR80 QREC manufacturer specifications, Bulletin 148 (PDF)
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