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Difference of different types of PTFE compensator
Author: release date: 2015-09-27 11:38:07 hits: 360 column: Company News

    Compensator It is also called expansion joint, or expansion joint. It is composed of bellows (an elastic element) and accessories such as end pipe, bracket, flange and conduit. It belongs to a compensation element. The effective expansion and contraction deformation of bellows is used to absorb the size change caused by thermal expansion and cold contraction of pipelines, pipes and vessels, or to compensate the axial, transverse and angular displacement of pipelines, conduits and containers. It can also be used for noise reduction and vibration reduction. It is widely used in modern industry. In terms of heat supply, in order to prevent the deformation or damage of the pipeline caused by thermal elongation or temperature stress when heating the heating pipeline, it is necessary to set compensator on the pipeline to compensate the thermal elongation of the pipeline, so as to reduce the stress of the pipe wall and the force acting on the valve or support structure.

Polytetrafluoroethylene Bellows compensator It is a kind of industrial instrument, which is used to compensate the displacement and installation deviation of thermal expansion and cold contraction in pipeline system with strong corrosive medium, so as to reduce the vibration of pipeline system.

There are many kinds of PTFE compensators

Steel lined PTFE compensator. The outer body is stainless steel Metal Expansion Joints Lined with PTFE. It can withstand various concentrations of acid, alkali, salt, and has the advantages of stainless steel compensator pressure, not afraid of collision and so on. Pressure rating: pn0.6, 1.0, 1.6Mpa; service temperature: ≤ 180 ℃.

Spray type PTFE compensator. The outer body is stainless steel metal compensator, and the inner part is sprayed with Halar ECTFE, F40, PFA and other fluorine materials. In terms of corrosion resistance, it is slightly worse than that of steel lined PTFE compensator or medium voltage mesh sleeve PTFE compensator. It can provide dn25-dn3000mm; wave number is not limited, length ≤ 3000mm, fatigue times: ≥ 10000 times, pressure grade: pn0.25-2.5mpa, service temperature: ≤ 180 ℃

Medium voltage net sleeve PTFE compensator. The outer body is made of stainless steel and the inner part is PTFE. It is resistant to various concentrations of acid, alkali, salt and organic solvent. DN25 ~ DN600 mm are available in the market, and the continuous fatigue times are more than 5000. Pressure rating: pn0.6mpa, PN1.0MPa. Service temperature: ≤ 200 ℃

Pure PTFE compensator. It is usually used on low pressure pipes. Pressure rating: pn0.01-0.6mpa, carbon steel flange is generally used for connection at both ends, and various non-standard flanges can be customized according to customers. Other materials include plastic and stainless steel.

Shanghai Luoying pipeline spare Co., Ltd. has been producing pipeline equipment accessories for a long time. We do our best to serve customers and meet the needs of customers as much as possible. We also welcome new customers to inquire!


Shanghai Luoying pipeline equipment Co., Ltd. is a large-scale pipeline equipment and valve manufacturer with a history of more than 20 years. It is one of the main suppliers of compensator, rubber joint, duckbill valve, expansion device, gate valve, stop valve, ball valve, butterfly valve, hydraulic control valve and compensator in China. The types of compensators include bellows compensator, sleeve compensator, bellows compensator, compensator price, non-metallic Compensator, metal compensator, stainless steel bellows compensator, bellows compensator, stainless steel bellows compensator, etc. it has a high reputation and influence in petroleum, chemical, metallurgical, electric power, construction, heating, water supply and other industries Our products are always in short supply and sold well in domestic and foreign markets. Official website: http: / / el3orod.com /.

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