according to different process equipment can choose pneumatic or electric actuators, respectively, by the pneumatic ball valve and the electric ball valve. If the pneumatic ball valve to be regulated to achieve proportional must be fitted with valve positioner; If the electric ball valve regulated to achieve proportional, must be equipped with electronic electric actuators or servo amplifier. ( The characteristics of] From the material can be divided into: carbon steel ball valve 316, 304 stainless steel ball valve, ball Industrial Valves and brass ball valve. Stress can be divided into: high pressure ball Industrial Valves and low pressure ball valve. High pressure pneumatic ball valve: mainly used in oil, gas, hydraulic oil, engineering machinery and other industries. Low pressure pneumatic ball Industrial Valves: it is mainly used for water and other corrosive pipelines.

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