SNZW65

????? Fire hydrant is installed in a building fire pipe-line interface to the fire with a water valve. Factories, warehouses, high-rise buildings, public buildings and ships and other indoor fixed fire-fighting equipment. Used for fighting fires in the sacral objects, usually installed in the fire hydrant box, with a fire hose and fire water cannons and other ancillary uses. ????? I produced SN, SNW, SNJ, SNZ, SNZJ, SNSS, SNSSJ type fire hydrant, the products have passed the National Quality Supervision and Inspection Center of qualified, quality assurance, safety and reliability, please rest assured that the choice of the user. ※ Technical Data Sheet Type Normal pressure type rotary vacuum regulator type rotary vacuum double-valve twin-twin outlet valve double the pressure-type SNSNWSNJSNZSNZJSNSSSNSSJ nominal diameter (mm) DN50 | DN65DN65DN65DN65DN65DN65DN65 nominal working pressure (MPa) 1.6 2.4 apply pressure strength test medium quality clean water, foam mixture