Approval: UL/ULC listed
Usage: Before sprinkle head, before and after wet alarm valve and deluge valve, high-rising building fire fighting system, industrial factory building fire protection system.
Fire protection grooved Butterfly Valve is UL/ULC listed with pressure rating 300psi or 175psi
Temperature range: -20℃ to 120℃.
Structure: Butterfly type and groove end
Application: Indoor and outdoor usage
Double –seal disc: resilient EPDM coated
Factoroy Installed supervisiory tamper switch assembly
Design standard: API 609
Groove standard ANSI/AWWA C606
Top flange standard: ISO 5211
Test standard: API 598
Model: HGD-381X / HGD-381X-175
1. Grooved end, valve is with reasonable design and reliable sealing
2. Flexible operation and small flow loss
3. The torque is samller and lift service longer.
4. With four plug to measure pressure of the pipe
5. It is easy to install auxiliary pipe.