What does Rui'an electric wear-resistant dust gas butterfly valve CLS mean? The classification of the structure and sealing methods of pneumatic butterfly valves is classified according to the structure:
(1) Center sealing butterfly valve
(2) Single pain sealing coal valve
(3) Double preference sealed butterfly valve
(4) Triple Pain Seal Butterfly Valve
、 Service limit: the ball valve has two service limits, namely temperature and pressure limits. Generally, the maximum operating pressure that the ball valve can reach at the maximum or minimum operating temperature will be displayed on the device nameplate. It should be noted that if the valve seat and seal are made of RTFE or PTFE, the operating temperature should be between 150-200 ℃. As for the stable operation of seats and seals made of other materials, they should be inspected and audited.