Directional control valve action accurate, high degree of automation, stable and reliable work, but need to be attached drive and cooling system, structure is more complicated; Disc type structure is relatively simple, usually for less traffic on the production process.
Directional control valve is widely used in petroleum, chemical production, the most commonly used in the synthetic ammonia gasification system. In addition, the reversing valve can also be made the structure of disc type more occasions for small flow rate. Only when the job rotation handwheel transform of the working fluid flow through the disc.
Reversing valve in the petroleum, chemical, mining and metallurgical industries, six directional control valve is a kind of important fluid commutation equipment. The valve is installed in the thin oil lubrication system conveying lubricating oil pipeline. By changing relative position in the valve body sealing components, make the body various channels connected or disconnected, to control the reversing of the fluid and stop.
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