UL FM Backflow Butterfly Valve with Groove* Flange Connection

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.

Technical specification:

Fire protection grooved Butterfly Valve is UL/ULC listed with pressure rating 300psi or 175psi

Temperature range: -20℃ to 120℃.

Structure: Butterfly type

End connection: One side flange and another side groove.

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

Flange standard: ASME/ANSI B16.1 Class 125 or ASME /ANSI B16.42 Class 150 or BS EN1092-2 PN16 or GB/T9113.1

Top flange standard: ISO 5211

Test standard: API 598

Model: HFGD-381X/ HFGD-381X-175

Advantages:

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.

http://www.apc-firevalve.com/