Several classification Fire Ball valve: Rated water working pressure should be above the fire valve sales at 175psi and PTFE seats. 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 connections, and US UL certification, FM certified and comply with US valve and pipe fittings Manufacturers Standardization Society MSS-SP110 standard. Fire classification and application plug cock valve spool is a conical hole plug, valve plug in a tapered fit tapered plug valve chamber, the valve handle is rotated with the spool hole import and export valve is turned on or off the fire valve to achieve open and close. Simple plug structure, small flow resistance Fire cocks wholesale, open and close rapidly, does not require the installation of directionality. Plug only be used infrequently open and close applications. Due to repeated opening and closing the valve plug valve wear firefighting specifications, grinding hard, and because of the friction surface of the spool is large, open and close the force as well. Fire valve specifications _ PENGDA Fire (certified) _ Fire Valve Co., Ltd. Weifang Shandong PENGDA provided by the fire valve. Valve Co., Ltd. Shandong Peng-Fire (www.pengda119.com) is an industry leader in Shandong Weifang, firefighting equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Fire in PENGDA leadership with the staff warmly welcome all inquiries negotiations to create a better future for the fire penta.