many damage of valve sealing elements, and the key in any of the following categories:

1, the seal structure

in effect under the change of temperature or the sealing force, the structure of the seal will produce change. And this kind of change will harm and change the seal force between each other, and thus reduce the valve sealing performance. Thus, when choosing the seals, must choose have the elastic deformation of the seal. In addition, but also attention to the overall width sealing surface. Reason depends on the seal surface can not conform to, when sealing face always wide promotion, you need to increase the sealing force.

2, the sealing surface pressure

the sealing face specific pressure size could harm the valve sealing performance and valve size. Therefore, seal face specific pressure is also a key element is critical. Under the same standards, specific pressure too communication cause damage to the valve, but the pressure is small party lead to valve leakage. Therefore, when we design should consider to fit specific pressure.

3, material chemistry,

physical chemical properties and damage to the valve sealing performance. This kind of chemical properties include temperature, viscosity and the surface of the water, etc. The relaxation degree of temperature change is not only harm the seal changes and parts specifications, and gas viscosity has closely associated. Gas viscosity with temperature rise or reduce and enlarge or reduce.

therefore, in order to reduce the temperature to the harm of valve sealing performance level, when we conduct seal design scheme, design plan to put it into a malleable high-pressure gate valves with heat compensating Industrial Valves, etc. Infiltration of liquid viscosity with the ability to work. When under the same standard, the viscosity, the greater the liquid infiltration ability to work. On the surface of the water imbibition refers to metal materials surface with a layer of plastic film, to get rid of this layer of plastic film. Due to the oil layer is too thin, will destroy the surface of the water, causing blocking the fluid channel.

4, the quality of the sealing pair

key means we need to seal quality of raw material selection, matching, carry out strict control on the manufacturing accuracy. For example, the piston valve gate Industrial Valves sealing surface fits in well with high pressure, can improve sealing. Axillary Angle of wave grain degree of more features, is the mystery palace, sealed performance is good.

the valve leakage in daily life, production is very wide, light leads to consumption, or risk to the daily life, such as drinking water valve leak, or causing serious harm, such as the harmful chemical manufacturing industry, harm, flammable, flammable and explosive, and the leakage of corrosion medium characteristics, such as serious threat life, money, and air pollution accidents.

a external force with the help of a rotation drive system and turn off the valves are open design scheme has a sealing device is used in filling culvert on some of the total number of filler sealing ring, so do sealing effect, but seal situation how? Filling material of the Industrial Valves leak valve is very prone to reveal the location of the common failures in the first, but in the end probably has two levels.

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