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  • Posted: 05/19/2015 05:05:46   Hits: 737
    Double offset butterfly valve is widely used in water supply, circulating water of electricity, petroleum, chemical engineering, etc. The common nominal diameter ranges from DN100mm to DN2000mm. The...
  • Posted: 05/13/2015 03:05:12   Hits: 795
    Structural features of stainless steel butterfly valves The spring of stainless steel butterfly valves is assembled together with adjusting bolts on plate. The structure compensates effectively to...
  • Posted: 05/05/2015 05:05:15   Hits: 998
    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: 719
    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: 752
    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: 642
    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: 818
    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: 822
    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: 851
    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: 696
    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 ...
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News & Events
2018.07.23
The definition, characteristics and classification of butterfly valves
The definition, characteristics and classification of butterfly valves A butterfly valve is a rotary valve which is open or closed by rotating a disk-shaped, circular or rectangular closure member fo...
2018.05.30
Xinhai is going to participate in the Valve World Conference & Expo 2018
Xinhai Valve is going to participate in the 11th Valve World Conference 2018 in Germany, and our booth number is 3D01. You are very welcome to come and negotiate valve business with us. Exhibition in...
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 valves, mainl...