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Pneumatic Directional Control Valve Before Purchase

Pneumatic valve pneumatic motor control components in a system used to control the flow of fluids in the system, many model types, the user can choose according to their needs.
Directional control valve common types are the following:
Pneumatic directional control valve outlet is divided into: two, three, four and five-way;
Pneumatic directional valve according to the working position can be divided into: two and three.
Pneumatic valve control is divided into: the pneumatic and electric control and direct-acting and pilot-operated;
Pneumatic directional control valves are controlled media into fluid valve and gas valve;
Pneumatic directional control valves are functionally divided: normally closed and normally open, and that leak, the gas supply;
Divided according to structure of pneumatic directional valve: globe valves and slide valves;
When choosing a pneumatic directional control valve, the following points should be noted:
1 the valve thread interface: valve nominal diameter corresponding to the air inlet thread is not one by one, therefore, should pay attention to when choosing directional control valve interface threads.
2 valve mounting dimensions: reversing valve of the same model, the functional due to different manufacturers its outline and installation dimensions vary.
3, directional movement is crisp, not a procrastinator.
4, solenoid valves, especially the AC solenoid valve should pay attention to the insulation. To ensure the safety of the operator.
5, the valve should be no leakage, leak within the smaller the better. Otherwise, it will affect the normal operation of the system, and a waste of energy.
6, pay attention to the date of manufacture of the valve, valve for far too long, the lubricating oil ages, affecting directional control valve work properly.

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