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Approval:
FM approved 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.
Technical specification:
Pressure rating: 300psi
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: FM 1112/UL 1091
Model: GD-381X
Advantages:
1. Grooved end, valve is with reasonable design and reliable sealing
2. Flexible operation and small flow loss
3. The torque is samll
4. The life service is longer
http://www.apc-firevalve.com/