Several classification Fire Ball valve: Rated water working pressure should be 175psi or more, and the use of PTFE seat. Valve to have weatherproof gear actuator can be used for indoor / outdoor use with raised position indicator and two internal supervisory switches. Such valves should be threaded or slotted connecting fire valve prices and US UL certification, FM certified and comply with US valve and pipe fittings Manufacturers Standardization Society MSS-SP110 standard. Fire Valve Features 1, flat valve seat: the point of using the same pipe valves sit flat design, no debris deposition Fire valve fittings, seals and more reliable. 2, corrosion resistance: cavity using non-toxic epoxy resin coating to prevent corrosion and rust Fire valve model, not only for drink, but can be used for sewage systems. 3, the three "O" seal: Stem using three O-ring seals, friction resistance, switch lightweight, watertight. Fire Valve Factory | Sunshine Fire Valve | Weifang Shandong Peng-Peng-Fire Co. provided by the fire valve. Valve Co., Ltd. Shandong Peng-Fire (www.pengda119.com) (www.pengda119.com) strong, credible, Shandong Weifang fire equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Weifang PENGDA fire and you hand into the brilliant, for a better future! You can also access (www.pengda119.com/supply_details_44093475.html), for more information about the company.