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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We're commitment to offer you the aggressive cost ,superb products and solutions top quality, too as fast delivery for 18 Years Factory Socket Cap Screws - Backflow Butterfly Valve – Kingnor, The product will supply to all over the world, such as: Paris , Ukraine , Swiss , Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our products and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".
The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.





