DN80 Fire Sprinkler System Wet Type Fire Alarm Check Valves with FM

DN80 Fire Sprinkler System Wet Type Fire Alarm Check Valves with FM. FM and UL Approved: Certified by FM and UL for reliable fire protection performance. High Pressure Resistance: Rated for 300psi working pressure with high-pressure capability. Ductile Iron Body: Constructed from durable ductile iron with epoxy coating. Flexible Customization: Offers full, minor, and flexible customization from samples or designs. Versatile Connection: Features flange connection compatible with ANSI/DIN standards. Wide Application: Suitable for industrial, water, and household usage scenarios. Swing Structure Design: Swing check valve structure ensures unidirectional flow control. 100% Quality Inspection: Every finished product undergoes visual and functional inspection.