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/