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Ningjin APC Industries is a leading Chinese manufacturer of FM & UL certified fire protection valves, industrial valves and marine valves.
Model: GD-381G
Date Updated: August 6, 2026
Prepared by: Fire Protection Valve Technical Department
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Prepared by: Fire Protection Valve Technical Department
Model: WD-371G/WD-371L
Date Updated: July 29, 2026
Prepared by: Fire Protection Valve Technical Department
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Date Updated: July 29, 2026
Prepared by: Fire Protection Valve Technical Department
HGD-381X-175/HFGD-381X-175/HGD-381X/HFGD-381X
Date Updated: August 6, 2026
Prepared by: Fire Protection Valve Technical Department
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Date Updated: August 6, 2026
Prepared by: Fire Protection Valve Technical Department
Model: GD-381X
Date Updated: August 6, 2026
Prepared by: Fire Protection Valve Technical Department
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Date Updated: August 6, 2026
Prepared by: Fire Protection Valve Technical Department
Model: WD-371X
Date Updated: August 6, 2026
Prepared by: Fire Protection Valve Technical Department
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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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APC Industries
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CONTACT US
Add：No. 18 Taishan Road, Ningjin County, Shandong Province P.R.China
Mobile：+8618600252968
WeChat：cuiyuying01
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