Stainless steel ball valve temperature and pressure limit l nameplate shows a ball valve under the maximum and minimum operating temperature allowed by the maximum operating pressure. L using PTFE or RTFE seat and seal material, operating temperature should be between - 290 - c to 2000 c. Other types of operating temperature of the seat and seal, should check by KI factory. L valve nominal pressure level ( PN) , can show that the maximum working pressure in normal temperature condition. ( For example: PN4. 0, which indicates that its operating temperature in - 290 - c - 380 c when the maximum working pressure for 40 Bar ( 4. 0MPa) ) 。 L electric or pneumatic actuators attention see its corresponding specifications. 1) , take off the protective cover on both sides of the flange end, under the conditions of Industrial Valves fully open to wash clean. 2) , before installation shall be in accordance with the provisions of signal, Electricity or gas) The engine test ( Prevent because of transportation vibration impact performance) , qualified rear can install ( According to the electric actuator wiring diagram wiring) 。 3) Before, preparation, and pipeline connection, you must wash and clean the pipe residual impurities ( These substances may damage the seat and the ball) 。 4) , during the installation, please don't use valve actuator part as a lifting of the lifting point, in order to avoid damage the actuator and accessories. 。 5) This kind of valve should be installed in horizontal or vertical direction of pipeline. 6) Near, installation of pipe with low or bear the phenomenon of external force, can use a pipe support or support to eliminate the deviation of pipelines. 7) After, and pipeline connection, please use specified torque cross locking bolt flange connection. Yongjia county, all standing valve, professional stainless steel ball valve manufacturer, welcome to inquire
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