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For Valve What Are The Different Forms Of Classification

Feb 04, 2017

For valve What are the different forms of classification

Check Valve (Check Valve): Nominal pressure or pressure level: PN1.0-16.0MPa, ANSI CLASS 150-900, JIS10-20K nominal diameter or caliber: DN15 ~ 900, NPS 1/4 ~ 36 Connection: France Portland, welding, threaded, socket weld and other applicable temperature: -196 ℃ ~ 540 ℃ Body Material: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8 (304), CF3 (304L), CF8M (316), CF3M (316L), Ti. Different material selection, check valves (aetv One-way valve): can be separately applied to water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea and other media.

Formula lift check valve should be installed in horizontal pipelines, vertical lift check valve and bottom valve is usually installed in a vertical pipeline and the medium flows from bottom to top.

Swing check valve installation position is not limited, usually installed in horizontal pipes, but can also be installed in vertical or inclined pipeline feeding the pipeline.

Install a check valve (Check Valve): when should pay particular attention to the flow direction of the medium, the medium should be consistent with the direction of the normal flow direction indicated by the arrow on the valve body, otherwise it will cut off the normal flow of media. Bottom valve should be installed in the bottom of the pump suction piping.

Check Valve (Check Valve): When closed, it will produce water hammer pressure in the pipeline, can cause serious damage to the valves, piping or equipment, especially for large mouth lines or high-pressure line, it should cause a check valve (aetv One-way valve): selection by the high degree of attention.


Kaitai Valve Group is headquartered at Baoshan City Industrial Zone,Shanghai China,  Also it is one of high-tech enterprises in Shanghai, a member of the Association of China General Machinery, and a regular supplier to some of the country’s major energy players such as China Petroleum & Natural Gas Corp, China Petrochemical, China Power and China Sea Oil etc.We mainly produce sales Ball ValveGate ValveGlobe ValveCheck ValveButterfly ValvePlug Valve and  Strainer.
We can supply the quotation and drawing of valves according to request of customers.
We can delivery valves in time as per our clients’ need.
We also provide the valves service of after-sales.
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