a lot of clients in selecting stainless steel gate and globe valves are stainless steel into a difficult choice, because don't know how to start to start to choose from. Here we have a production stop Industrial Valves more than 20 years of cut-off valve factory is to answer for you.

cut-off valve is closed ( The disc) Along the valve seat centerline mobile. According to this mobile form of disc, seat and disc change in his itinerary directly proportional relationship. Due to open or close the valve stem travel relatively short, and very reliable cutting function, and due to the change of his seat and disc stroke proportional relationship, is very suitable for the traffic regulation. Therefore, this type of valve is well suited for use as cut off or adjust and throttling.

its selection principle is:

1, the high temperature and high pressure medium or device appropriate chooses cut-off valve. Such as power plants, nuclear power stations, petrochemical system of high temperature and high pressure piping.

2, convection resistance is relaxed on the pipeline on the pipeline. Thinking about small place of pressure loss.

3, small valve can choose needle valve, instrument valve, the sampling valve, pressure gauge valve, etc.

4, there is flow control or pressure adjustment, but the adjustment accuracy is not high, and the pipe diameter is small, such as nominal menstruation & le; 50 mm pipe road, appropriate chooses.

5, synthetic fertilizer and chemical fertilizer in the industrial production appropriate chooses 16 mpa or PN320 PN160 nominal pressure, nominal pressure, nominal pressure of 32 mpa pressure Angle globe valve or high pressure Angle throttle valves. Of course like this or rarely used in high pressure cut-off Industrial Valves at ordinary times, so can produce such a high pressure cut-off valve factory is one of the few.

6, desilication in alumina production workshop, easy to coking on the pipeline, easy to choose seat can be separated type, body place, carbide seal once-through cut-off Industrial Valves or once-through throttle valve.

7 on the water supply, heating, urban construction engineering, nominal menstruation smaller pipe, can be used as, balancing valve or plunger valve, the pipeline such as nominal drift diameter less than 150 mm.

so when meet the above conditions should be chosen cut-off valve, rather than gate valves.

now we introduce relative to the gate valve, globe valve is the most obvious advantage:

1. In the process of opening and closing, due to the friction between the disc in the valve sealing surface is smaller than gate valves, and wear resistance.

2。 Open altitude generally only a quarter of the seat channel diameter, so much smaller than gate valves.

3。 Typically on the valve body and disc only a sealing surface, thus making craft is good, easy to maintenance.

4。 Nominal pressure or pressure, PN1. 0 - 16. 0MPa、ANSICLASS150- 900、JIS10- 20 k, or nominal diameter diameter: DN10 ~ 500, NPS1/2 ~ 36 & quot; 。 So is very flexible to choose

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