Soft-sealing gate valve type selection standard is what soft-sealing gate valve and hard seal gate valves can be complementary to each other, can independently again out of the gate, were two most important categories of gate valve series, soft seal gate valves are suitable for the production of large diameter in particular, the following is said that when the choose and buy how to selection, and see it together. A, plate or wedge valve valve? Soft seal valve plate and wedge two types, both have large size, suitable for the characteristics of large diameter valve production, but the former is applicable to steam, water, oil, corrosive acid gas, oxidizing substances and flue gas dielectric fluid, and wedge gate valve is not can be used for regulating valve, can only be full open or full close, wedge gate valve is suitable for high temperature and high pressure of harsh working environment, as well as to the sealing conditions of high demand. Second, the single ram or double ram? Various types of medium plate gate valve, and good regulation performance, are lightweight, but should pay attention to is not applied to the fluid flow control, easy to coking connection in the pipeline system, should be installed in the position of the switch more frequently. City gas, water pipe, medium containing suspended particles, industrial gas pipeline using single or double ram appropriate gate, according to the actual work requirements, or reference manufacturer recommendations. Urban tap water pipeline project choice soft-sealing gate valve, often for no diversion kongming pole plate gate valve, gas transmission pipelines are multi-purpose seal type stem flat gate Industrial Valves. Two types of soft-sealing gate valve, flat gate valve application range is relatively wide, and in high temperature and high pressure, pipe with vaporization, low-temperature cryogenic gas hole phenomenon, recommended wedge gate Industrial Valves.
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