Nosredna APC 4" Ductile Grooved x Groove Butterfly Valve ULC/FM Approved

Nosredna APC 4" Ductile Grooved x Groove Butterfly Valve ULC/FM Approved

Approval: FM approved UL/ULC listed
Use: Before sprinkler head, before and after wet alarm valve and deluge valve.

Technical specification 
Pressure rating: 300psi
Temperature range : -20℃ to 120℃.
Application : Indoor and outdoor usage
Double seal  disc : resilient EPDM coated
Factory Installed supervisory tamper switch assembly
Design standard : API 609
Groove standard ANSI/AWWA C606
Top flange standard: ISO 5211
Test standard :FM 1112/UL 1091