Fire valve accessories _ Weifang PENGDA Fire (certified) _ Fire Valve Weifang

The valve can be divided according to the connection method which is divided into several categories? 1, the valve sleeve connection: connection with the pipe using the card sets. 2, the clamp connection valves: a valve body with jaws Fire wholesale, clamps and pipe connections. 3, flanged valves: valve with flange connection with the pipe flange. 4, welding connection valve: Body with welding groove connected to pipe welding. 5, screwing valves: Body with internal or external threads, even with pipe thread. 6, wafer connection valves: bolts directly to the valve and two pipes connected together in the form of wear clip. The main technical performance lifting power and torque Hoisting force and hoisting moment the fire valve is the valve open or closed by force or torque to be applied. Close the valve, the need to open and close the two pieces with the fat seat sealing surface between a certain price than the pressure seal valves Fire, but also to overcome between the stem and the packing nut thread between the stem and the stem end Fire Department and the friction bearing valves other friction parts, and therefore must apply the closing force and closing moments Fire valve model, valve opening and closing process, the required hoisting hoisting force and moment of change, and its maximum is close to the final instant or open the initial transient. Design and manufacture of valves should strive to reduce the closing force and closing moments. Fire valve accessories _ Weifang PENGDA Fire (certified) _ Fire Valve Co., Ltd. Weifang Shandong PENGDA provided by the fire valve. Valve Co., Ltd. Shandong Peng-Fire (www.pengda119.com) (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, the maximum meet customer needs. Fire in Weifang PENGDA leadership with the staff warmly welcome all inquiries negotiations to create the fire Weifang PENGDA a better future.