Find here details of High Pressure Water Ball Valve Body on our website. Today we would like to talk about what is the classification and characteristics of high pressure ball valves.
The high pressure ball valve has a motion of 90 degrees of rotation, the body of the plug is a sphere, with a circular through hole or passage through its axis. The ball valve is mainly used in the pipeline to cut, distribute and change the flow direction of the medium. It only needs to be rotated 90 degrees and the torque can be closed tightly. Ball valves are best suited for use as switching and shut-off valves, but recent developments have designed ball valves to provide throttling and control flow, such as V-ball valves.
The main features of the high-pressure ball valve are its compact structure, reliable sealing, simple structure and convenient maintenance. The sealing surface and the spherical surface are often closed, not easily eroded by the medium, easy to operate and maintain, suitable for water, solvent, acid and natural gas. Working medium, but also suitable for medium with harsh working conditions, such as oxygen, hydrogen peroxide, methane and ethylene, which are widely used in various industries. The ball valve body may be integral or combined.
Ball valves are divided into: floating ball valve, fixed ball valve, track ball valve, V ball valve, three-way ball valve, stainless steel ball valve, forged steel ball valve, ash ball valve, anti-sulfur ball valve, three-way ball valve, pneumatic ball valve, electric ball valve, ferrule Ball valve, welded ball valve.
According to the shell/body material classification, the ball valve can be divided into the following types that are shared by China Water Ball Valve Body Manufacturer:
1. Metal material valves: such as carbon steel valves, alloy steel valves, stainless steel valves, cast iron valves, titanium alloy valves, Monel valves, copper alloy valves, aluminum alloy valves, lead alloy valves, etc.
2. Metal valve body lining valve: such as rubber-lined valve, lining fluorine valve, lining lead valve, lining plastic valve, lining enamel valve.
3. Non-metallic material valves: such as ceramic valves, glass valves, plastic valves.
According to the connection method, it can be divided into: thread ball valve, flange ball valve and plate ball valve.
There are many manufacturers of ball valves in China, and the connection sizes are mostly not uniform.
General class based on GB/T 12221-2005 "metal valve structure length".
Most domestic ball valve manufacturers are designed and produced according to this standard. However, this standard is not perfect, the specifications are not complete, the maximum nominal diameter of the floating ball valve is DN1200, and the maximum nominal diameter of the fixed ball valve is DN2000. According to the specifications of the valves produced by the factory and the information obtained, the nominal diameter of the floating ball valve is DN6, and the nominal diameter of the fixed ball valve is DN50. According to the research, the connection size of each manufacturer is not uniform. In order to have a unified standard, the user can exchange the same specifications during the selection and installation. It is recommended that the National General Machinery Research Institute GB/T 12221-2005 "Metal Valve Structure Length" Make revisions. It is recommended that the design institute and users choose according to the standard, and the ball valve manufacturer designs and manufactures according to the standard.
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