Selection of Valve Electric Actuator Models
Sep 26,2022Read More
Globe valve refers to the closing piece (disc) along the center line of the valve seat movement. According to the moving form of the disc, the change of the valve seat opening is directly proportional to the disc stroke. Due to this kind of valve stem open or close stroke is relatively short, and has a very reliable cut off function, and because of the change of the valve seat opening and the stroke of the disc is directly proportional, very suitable for flow regulation. This type of valve is therefore ideal for use as a cut-off or regulator and throttling.
High temperature, high pressure medium pipeline or device should choose the cut-off valve. Such as thermal power plants, nuclear power plants, petrochemical systems of high temperature, high pressure pipeline.
Pipeline convection resistance requirements are not strict pipeline. Where the pressure loss is not taken into account.
Small valve can choose needle valve, instrument valve, the sampling valve, pressure gauge valve, etc.
Flow adjustment or pressure adjustment, but the adjustment accuracy is not high, and pipe diameter and the relatively small, such as nominal drift diameter of 50 mm or less piping, appropriate chooses.
Synthetic industrial production of small chemical fertilizer and large chemical fertilizer should choose the nominal pressure PN160 nominal pressure 16MPa or PN320 nominal pressure 32MPa high pressure Angle globe valve or high pressure Angle globe valve.
Alumina bayer process in the production of desilication workshop, easy to coking pipeline, easy to choose separate valve body type, seat can be removed, carbide sealing pair of straight flow stop valve or straight flow stop valve.
In the water supply and heating projects in urban construction, the nominal passage is smaller, and the stop valve, balance valve or plunger valve can be selected, for example, the nominal passage is less than 150mm.
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