Pneumatic valve is the use of compressed air-driven valve. Pneumatic valve procurement only a clear specification, type, pressure to meet the procurement requirements of the practice in the current market economy environment is imperfect. Because the pneumatic valve manufacturers in order to compete for products, each in the design of pneumatic valve under the concept of a unified, innovative, formed their own corporate standards and product personality. Therefore, pneumatic valve procurement more detailed technical requirements, and manufacturers to obtain consensus, as a pneumatic valve procurement contract annex is necessary. This type of valve in the pipeline should be generally horizontal installation. Pneumatic valve working principle The use of compressed air to promote multi-group combination of pneumatic actuators in the actuator movement, transmission of force to the characteristics of the beam and the inner curve of the track, driven by the hollow core spindle for rotational movement, compressed air to the cylinder, change the inlet and outlet gas Position to change the direction of spindle rotation, according to the load (valve) torque required for the rotation, the number of cylinder combinations can be adjusted to drive the load (valve) work.
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