
10"Wet Alarm Check Valve Ductile Iron Material UL/FM. UL and FM Certifications: Product holds FM and UL approval for fire protection systems. Ductile Iron Construction: Made from durable ductile iron material for long service life. Wet Alarm Valve Type: Specifically designed as a wet alarm check valve for fire sprinklers. Customization Services: Offers full, minor, and flexible customization from samples or designs. 100% Product Inspection: All finished products undergo visual and function inspection. Fast Lead Time: Production completed within 15 workdays for both peak and off-peak seasons. Established Manufacturer: 20 years of exporting experience with own foundry and workshops. ISO Management Certified: Certified under ISO9001:2015, ISO45001:2018, and ISO14001 standards.