Backflow Butterfly Valve

一.Approval: UL/ULC listed 二.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. 三．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 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/HFGD-381X/HFGD-381X-175

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Butterfly Valve

Ningjin APC Industries is a premier UL & FM certified manufacturer in China, delivering high-performance industrial and fire protection valves built to strict international safety standards.

Backflow butterfly valve with UL/FM Approval

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Backflow Butterfly Valve

一.Approval: UL/ULC listed

二.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.

三．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 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/HFGD-381X/HFGD-381X-175