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Casting Technology of Flange Ball Valve

1.Modeling design According to the current casting process technology, it is decided to adopt the precision core assembly molding of cold box with high dimensional accuracy and good surface quality, and the core is made manually without the need for sand box fixation. According to the structure of the...

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Casting process of flanged ball valve

With the improvement of the transportation requirements for water, liquefied petroleum gas, natural gas and other media, the performance requirements for ball valves are becoming higher and higher. In order to improve the performance of ball valves, a set of casting process plan with higher performance must be designed....

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Type of fan blade pneumatic actuator for ball valve

As the ball valve can be opened and closed only by turning the ball 1 / 4 circle, it belongs to the partial rotary angular stroke valve, so the pneumatic actuator used in it also selects the partial rotary type. At present, the commonly used partial rotary pneumatic actuator...

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Type of built-in fork type pneumatic actuator for ball valve

The built-in fork type pneumatic actuator (Fig. 1) replaces the gear rack of the traditional rack pneumatic actuator with the fork assembly, which is also divided into double action and single action. Compared with the rack and pinion type, the cylinder diameter of the built-in fork type pneumatic actuator...

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