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Electrical-pneumatic converter as a regulator,its main function is to change electric controller or computer's current signal to air pressure signal,and transfer topneumatic actuator mechanism.Of
1. Must inspect the valves cave and sealing surface before installation. Not allowed the dirt or sand attachment.2. Bolts connect with every position should be uniform tightened.3. Check the packing a
In order to successfully realize the process automation, the most important thing is to ensure that the valve itself to meet the process and the special requirements of medium inside the tubes. Produc
Valves; standard; the status quo; DevelopmentValve products are widely used in petroleum, chemical industry, nuclear power, metallurgy,electric power, water, large-scale coal-chemical industry, valves
Ball valve from the plug valve. It has the same movement rotated 90 degrees to mention only difference is that cock body is a sphere, a circular through-hole or channel through its axis. The sphere an