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  • Posted: 05/05/2015 05:05:15   Hits: 832
    Working principles of plug valves Plug valves are a type of valves which use plug with a hole as disc. The plug rotates along with the stem to realize on-off. Small plug valves without packing are...
  • Posted: 04/29/2015 01:04:31   Hits: 716
    The disc or butterfly plate of butterfly valves rotates shaft roundly to open or close. Butterfly valves are mainly used for cutting-off or throttling in pipes. Butterfly valves are suitable for pip...
  • Posted: 04/21/2015 05:04:59   Hits: 746
    Flat gate valves have following structural features: 1. The sealing structure of seat is elastic and equipped with pre-tightening force. The sealing between seat and sealing face is always face-to...
  • Posted: 04/14/2015 03:04:56   Hits: 640
    Low temperature globe valves are suitable for regulating system of storage equipments for low temperature fluids, having features of flexible operation, reliable sealing, etc. The globe valves can b...
  • Posted: 04/08/2015 04:04:41   Hits: 811
    Since valves are developed, pneumatic valves cannot be replaced. Pneumatic valves play their own unique role in water supply system. Pneumatic valves are mainly used in chemical engineering, pharmac...
  • Posted: 03/31/2015 04:03:40   Hits: 814
    When high vacuum butterfly valve is used, temperature has great influences on its performance.   High temperature impacts on high vacuum butterfly valve: When the valve is used in the sco...
  • Posted: 03/24/2015 04:03:50   Hits: 838
    In general, stainless steel ball valves are suitable for media, such as water, solvents, acids and gas. High quality stainless steel ball valves are also appropriate for media having wicked working ...
  • Posted: 03/18/2015 05:03:51   Hits: 695
    Long distance pipeline is a global energy supply line, from Arctic Circle to Equator, high mountains to seabed, high lands to deserts, crossing through earthquake zone, marshland, rivers, lakes and ...
  • Posted: 03/10/2015 04:03:15   Hits: 816
    With large programs being put into construction, valves are widely used in power, petroleum, chemical industry, urban supply and drain water system. Particularly, butterfly valves have large us...
  • Posted: 03/04/2015 03:03:36   Hits: 699
    Rubber lined valves have both cutting-off and flow regulation performance. Rubber line valves are convenient for on-off without influence on flow, ensuring the repeatability of flow. The valves open...
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News & Events
2017.08.30
What are Thread Valves?
A thread valve is the valve with the thread and can be classified into the internal thread valve and the external thread valve. This kind of valve is connected to the pipeline with the threaded connec...
2017.08.23
An Introduction of Swing Check Valves
A check valve is divided into the swing check valve (rotating around its center of gravity) and the lift check valve (moving along the axis). The check valve is one kind of the automatic valve, mainly...
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...