18 Years Factory Socket Cap Screws - Backflow Butterfly Valve – Kingnor
18 Years Factory Socket Cap Screws - Backflow Butterfly Valve – Kingnor Detail:
Backflow Butterfly Valve
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 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
Product detail pictures:

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Well-run equipment, specialist income crew, and better after-sales services; We're also a unified major family, anyone stay with the organization value "unification, determination, tolerance" for 18 Years Factory Socket Cap Screws - Backflow Butterfly Valve – Kingnor, The product will supply to all over the world, such as: Estonia , Bahrain , USA , All styles appear on our website are for customizing. We meet up to personal requirements with all products of your very own styles. Our concept is to help presenting the confidence of each buyers with the offering of our most sincere service, and the right product.
The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.





