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  • Posted: 02/03/2015 03:02:31   Hits: 957
    Appropriate connections between valves and pipes have direct influence on possibility of valves leakage.   Connections in common use include flanged connection, wafer connection, butt weldi...
  • Posted: 01/26/2015 04:01:47   Hits: 802
    Three-eccentric metal hard seal butterfly valves are a kind of advanced butterfly valves. The valves use body and seat as connection. The sealing face of seat on the butterfly valves is made of bead...
  • Posted: 01/08/2015 02:01:46   Hits: 847
    Soft and hard seal are able to complement each other. The seal ability of soft one is better than hard one, however, hard seal now can also meet some requirements. Soft seal has better sealing abili...
  • Posted: 12/30/2014 09:12:42   Hits: 775
    The materials and the quality of gas valves are so important that their disqualification will lead to leakage in-or-outside the body of the valve. If the strength, rigidity and overall performance o...
  • Posted: 12/17/2014 04:12:53   Hits: 919
    Butterfly valves, also called as flap valves, are a kind of valves having simple structure. Butterfly valves can also be used for low pressure pipelines to regulate media. The disc of butterfly valv...
  • Posted: 07/14/2014 02:07:44   Hits: 1137
    Based on structure, ball valves are classified into following types:   1. Floating ball valves The ball of floating ball valves is floating. Under the pressure of medium, the ball can disp...
  • Posted: 07/08/2014 11:07:28   Hits: 1186
    Characteristics of vent butterfly valve 1. The structure of vent butterfly valve is welded by center line disc and short steel plate, having compact structure, light weight, convenience for instal...
  • Posted: 07/02/2014 11:07:18   Hits: 1422
    Currently, a large amount of large desalination projects are being built in China. Valves are used as key devices for desalination project.   Chloride may corrode equipments during desalina...
  • Posted: 06/30/2014 02:06:12   Hits: 1040
    Three-way ball valve utilizes ball as its closure member. The ball rotates with center line of body to open or close valve.   Characteristics of three-way ball valve 1. Open or close witho...
  • Posted: 06/25/2014 11:06:10   Hits: 1022
    Most of butterfly valves can be used for medium containing suspended solid pellets for disc moving with wipe. According to strength of sealing face, butterfly valves are also used for powdery or gra...
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News & Events
2017.07.19
2017 China (Zhengzhou) International Water Equipment and Technology Exposition
Event: 2017 China (Zhengzhou) International Water Equipment and Technology Exposition Venue: Central China International Expo Center (No.210, Zheng Bian Road, Zhengzhou City, Henan Province) Date: 201...
2017.07.10
Comparisons of Pneumatic Ball Valves and Electric Ball Valves
(1) Pneumatic ball valves The pneumatic ball valve consists of the ball valve and the pneumatic actuator. It generally needs to be used in conjunction with accessories including the magnetic valve, ai...
2016.08.16
Usage of Valve Standards in China
Valve products have been widely applied in petroleum, chemical engineering, nuclear power, metallurgy, electric power, hydraulic power, large coal chemical industry and other industries. Total quantit...
2016.08.04
Innovation, the Future Trend for Pneumatic Control Valve
Pneumatic control valve plays a vital role in automatic control system of modern factory. The competition is quite intense in pneumatic valve industry in China. The future development trend of pneumat...