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HYQ series measurement pipeline ball valve

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add time: 2016-01-18 14:07:02
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Ball valve, standard GB/T21465-2008 "valve term" is defined as: opening and closing parts (ball) driven by the stem, and around the valve axis as a rotary movement of the valve. Can be used for fluid regulation and control, which seal v-ball valve the V type ball core and the cladding alloy between the metal seat has a strong shear force, and is especially suitable for containing fiber, small solid particles and other media. Switch and multi way valve in the pipeline not only can flexibly control the media merging, diverging, and flow, but also can turn off any channel and the other two channels connected. This type of valve in the pipeline should generally be installed horizontally. According to the driving mode is divided into: pneumatic ball valve, electric ball valve, manual ball valve.

One; wear-resistant; due to the hard sealing ball valve is alloy steel spray welding, sealing ring is alloy steel welding, so hard sealing ball valve in the switch will not produce too much wear. (its hardness coefficient is 65-70):

Two; good sealing performance; due to the hard seal ball valve seal is used in artificial grinding, until the valve core and the sealing ring is fully consistent with the use of. So his sealing performance is reliable.

Three; switch light; due to hard sealing ball valve sealing ring at the bottom of the sealing ring and the valve core tightly hold together, so in the outside force more than the spring preload of the switch is very light.

Four. Long life: has been widely used in petroleum, chemical, power generation, paper, atomic energy, aviation, rockets and other departments, as well as people's daily lives.

Pneumatic ball valve enjoys compact structure, reliable sealing, simple structure, easy maintenance, sealing surface and spherical often in the closed state, not easy to be medium erosion, easy operation and maintenance, applicable to water, solvents, acids, and natural gas and other general working media, mainly used to cut off or connected to medium in tube, can also be used for fluid adjustment and control.

Pneumatic ball valve compared with other types of valves, with angular travel output torque, open quickly, stable and reliable, wide range of application, as well as some of the following advantages.

1, thrust bearings to reduce the friction torque of the stem, can make the long-term operation of the valve stem smooth and flexible.

2, anti-static function: the ball, the stem, the valve body between the set of springs, the switch can be generated by the process of static.

3, due to the PTFE and other materials with good self lubrication, and the friction of the ball, so the loss of small, so the long life of pneumatic ball valve.

4, fluid resistance small: pneumatic ball valve is the smallest of all types of valves in the fluid resistance, even if it is a reduced diameter pneumatic ball valve, the fluid resistance is also quite small.

5, valve stem seal reliable: because stem only for imitation rotation transported without doing the lifting movement, stem packing seal is not easy to destroy, and the sealing ability increased with the increase of the pressure of the medium.

6, the valve seat sealing performance: the use of PTFE and other elastic materials made of the sealing ring, the structure is easy to seal, and the valve sealing capacity of pneumatic valve with the increase of the pressure of the medium.

advantage

1 full bore ball valve fluid resistance small, little flow resistance.

2 simple structure, small size, light weight.

3 close and reliable. It has two sealing surface, and the sealing surface of the valve material widely used all kinds of plastic, good sealing, can achieve complete sealing. It is also widely used in vacuum system.

4 easy operation, open and close rapidly, from fully open to fully closed as long as 90 degree rotation, facilitate remote control.

5 maintenance convenient, simple structure, the sealing ring is generally active, demolition and replacement are more convenient.

6 in the fully open or fully closed, the ball and valve seat sealing surface and the dielectric isolation, the media through, will not cause the valve sealing surface erosion.

7 wide range of applications, from small to a few millimeters diameter, large to a few meters, from high vacuum to high pressure can be applied.

8 because the ball valve in the opening and closing process of cleaning, it can be used in the medium with suspended solids.

High processing precision, cost is expensive, the high temperature should not be used, such as impurities in the pipeline, easily blocked by impurities, resulting in the valve can not be opened.

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