WEFLO F1033-300, Butterfly Valve, Groove x Groove, UL/FM Listed.
WEFLO F1033-300, Butterfly Valve, Groove x Groove, UL/FM Listed.
The WEFLO F1033-300 is a high-performance, UL-listed and FM-approved butterfly valve designed for fire protection systems. Rated for 300 psi working pressure, it delivers reliable flow control and bubble-tight shutoff in demanding fire suppression, water distribution, and HVAC applications.
Key Features & Benefits
- Vulcanized/EPDM-encapsulated disc for reliable bubble-tight shutoff at full 300 psi rating.
- Gear operator with built-in supervisory (tamper) switch for code-compliant monitoring.
- Single-piece through shaft design ensures smooth, low-torque operation and long cycle life.
- Fusion bonded epoxy coating (interior and exterior) per AWWA C550 for superior corrosion resistance.
- Flag-type position indicator for quick visual status.
- Meets or exceeds EN 593, MSS SP-67, and other industry standards.
- Working temperature: 42°F – 180°F (5.5°C – 82°C).
Ideal For
Fire sprinkler systems, standpipes, risers, and other UL/FM-required fire protection piping where a compact, high-pressure butterfly valve with supervision is needed. Available in sizes 2-1/2" through 12".
WEFLO valves are engineered for durability, easy maintenance, and full compliance with fire protection codes. Backed by strong manufacturer support and competitive pricing for contractors and distributors.