The ZSFM250-16DEP-F diaphragm deluge alarm valve is specially designed for extra-large firefighting scenarios. The DN250 large-caliber valve body is matched with a high-pressure water supply system. A single valve can cover an area of 4,000 square meters. It is suitable for inflammable and explosive places and large-area fire protection needs in industries such as petrochemicals, electricity, and transportation. The modular structure design is easy to maintain, key components are quickly replaced, and a built-in 120-mesh filter reduces the impact of impurities. It is suitable for water-foam combined systems, fine water mist fire extinguishing systems, etc.
Nominal diameter:250mm
Rated working pressure:1.6MPa
Test pressure: Strength test: 6.4MPa
Sealing test: 3.2MPa
Maximum working temperature:65℃
Applicable media: Water, gas, etc.
Diaphragm material: NBR + nylon non-woven interlayer
Spring material: Stainless steel spring wire, nylon 1010
Standard:GB5135.5-2018 “Automatic sprinkler fire extinguishing system Part 5: Rain alarm valve”
GB/T17241.6 “Integral cast iron flange”
Recensioni
Ancora non ci sono recensioni.