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Yuhuan Sinpo Valve Co.,Ltd
ADD: Chenyu Industrial Zone, Yuhuan, Taizhou, Zhejiang
Contacts: Phil.Chan
Tel: 86-576-89903137
Mobile: 86-13656869337
Wechat: 8613656869337
Whatsapp: 0086-13656869337
Fax: 86-576-82142013
E-mail: sales@sinpo-china.net
Web: www.sinpovalve.com
Ball Valve Thread in the 20th century, 50 years, with the rapid development of science and technology, production technology and product structure of continuous improvement, in a short period of 50 years, has rapidly developed into a major valve class. In Western developed countries, the use of Ball Valve Threads is increasing year by year.
The Ball Valve Thread is mainly used in the pipeline to cut, distribute and change the direction of flow of the media, it only needs to rotate 90 degrees of operation and a small turning torque can be closed tight. Ball Valve Thread is most suitable for the switch, cut off the valve to use.
Since the Ball Valve Thread is usually made of rubber, nylon and polytetrafluoroethylene as the valve seat sealing material, its use temperature is limited by the valve seat sealing material. The closing effect of the Ball Valve Thread is to rely on the metal sphere in the role of the medium, between the plastic valve seat to complete each other (floating Ball Valve Thread). Seat ring in a certain contact pressure, the local area of plastic deformation occurred. This deformation can compensate for the ball manufacturing accuracy and surface roughness, to ensure that the Ball Valve Thread sealing performance.
And because the Ball Valve Thread seat seal is usually made of plastic, so the choice of the structure and performance of the Ball Valve Thread, to consider the Ball Valve Thread fire and fire, especially in the petroleum, chemical, metallurgical and other departments, in the flammable, The use of Ball Valve Threads in equipment and piping systems should also pay attention to fire and fire.
1. has the lowest flow resistance (actually zero).
2. In the absence of lubricant work will not be stuck, it can be reliably applied with corrosive media and low boiling point liquid.
3. In the larger pressure and temperature range, can achieve 100% seal.
4. Can achieve ultra-fast opening and closing, some structure of the opening and closing time is only 0.05 ~ 0.1s, to ensure that can be used in the test bed automation system. Quick start and close the valve, the operation without impact.
5. Ball-type closure can be automatically positioned in the position.
6. The working medium is reliable on both sides.
7. When fully open and fully closed, the ball and valve seat sealing surface and the media isolation, so high-speed through the valve medium will not cause the sealing surface erosion.
8. Compact, light weight, it can be considered suitable for low temperature media system, the most reasonable valve structure.
9. Valve body symmetry, especially when the valve body structure, can well withstand the stress from the pipeline.
10. The closing member can withstand the high pressure difference when closed.
11. All-welded valve body valve, can be buried in the ground, so that the valve parts from erosion, the maximum service life of up to 30 years, is the oil, natural gas pipeline the best valve.
Many unique characteristics of the Ball Valve Thread determines the use of the Ball Valve Thread is relatively wide, usually in the double-position adjustment, sealing performance strict, mud, wear, necking channel, opening and closing action quickly (1/4 turn off), high voltage cut off Pressure difference), low noise, cavitation and gasification phenomenon, to the atmosphere a small amount of leakage, the operating torque is small, small flow resistance of the pipeline system, the recommended use of Ball Valve Thread.
Ball Valve Thread is also suitable for light structure, low pressure cut off (small pressure), corrosive media pipeline system. Ball Valve Threads are also available in low temperature (cryogenic) and piping systems. In the metallurgical industry, the oxygen pipeline system, the need to use a rigorous degreasing treatment of the Ball Valve Thread. In the pipeline and gas pipeline in the main line to be buried in the ground, the need to use full diameter welded Ball Valve Thread. When a regulatory performance is required, a Ball Valve Thread with a special structure with a V-shaped opening is required. In the oil, petrochemical, chemical, power, urban construction, the working temperature of 200 degrees above the pipeline system can be used metal-sealed metal Ball Valve Thread.
The use of Ball Valve Threads is very extensive, the use of varieties and the number continues to expand, and to high pressure, high temperature, big mouth, high sealing, long life, excellent regulation performance and a multi-functional direction of the valve, its reliability and other performance indicators Have reached a higher level, and has been partially replace the gate valve, globe valve, control valve.
With the technical progress of the Ball Valve Thread, in the foreseeable short time, especially in the oil and gas pipeline, refining the cracker and the nuclear industry will have a wider range of applications. In addition, in other industries in the large and medium diameter, low pressure field, the Ball Valve Thread will also become one of the leading type of valve.
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