The reliability of the compensator is composed of various aspects such as design, manufacture, installation and operation management. Reliability should also be considered from these aspects. Material selection For the selection of bellows for heating pipe network, in addition to the working medium, working temperature and external environment, the possibility of stress corrosion, the effect of water treatment agent and pipe cleaning agent on the material should be considered. On the basis of this, combined with the welding, forming of the bellows material and the performance and price ratio of the material, an economical and practical bellows making material is preferred.
Under normal circumstances, the material selected for the bellows should meet the following conditions:
(1) High elastic limit, tensile strength and fatigue strength to ensure the normal operation of the bellows.
(2) Good plasticity, easy to process the bellows, and can be obtained by subsequent treatment processes (cold work hardening, heat treatment, etc.)
Hardness and strength.
(3) Good corrosion resistance and meet the requirements of bellows in different environments.
(4) Good welding performance to meet the welding process requirements of the bellows during the manufacturing process.
For the heat pipe network laid in the trench, when the pipeline where the compensator is located is low, the rainwater or accidental sewage will be soaked in the bellows.
More corrosion resistant materials such as iron-nickel alloys and high-nickel alloys. Due to the high price of such materials, it is conceivable to add a layer of corrosion resistant alloy only on the surface in contact with corrosive media when manufacturing bellows.
Fatigue life design can be seen from the failure type and cause analysis of the bellows compensator. The plane stability, circumferential stability and corrosion resistance of the bellows
The corrosion performance is related to the displacement amount, that is, the fatigue life. Too low fatigue life will result in a decrease in the stability and corrosion resistance of the metal bellows.
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About us:
Established in 1996, YangZhong HuaXin Power Equipment Co., LTD is a professional manufacturer and exporter that is concerned with the design, development and production of power equipment .We are located in Yangzhong city, Jiangsu province, with convenient transportation access.
We specialize in cable tray, high-low voltage bus ways, bus switch cabinet, conduct bar, pine line armature, integrated wiring and so on. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Covering an area of 26000 square meters, we now have over 200 employees, Besides, we have a strong team developing new science and technology. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. Besides, we have been certificated ISO9001:20000,CCC.
As a result of our high quality products and outstanding customer service, our products have been exported to Asia and European countries, such as Turkey, Pakistan, south Africa, India and Saudi Arabia. The unit installed capacity is over 30000 MW. .
"Looking into the bright future and create a international brand" is the common anticipation of the workers and staff members of the company, and "Dedicating to details" is the inner spirit of the company. Powerful research teams, excellent after-sell services and modern management mode fertilize the soil where the company grows and it is endowed with the permanent initiative spirit. Today's Huaxin commits itself to serving high-quality products to consumers with the help of high technology. We are looking to cooperating sincerely with you and joining hands to strive for a brilliant future.
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Yangzhong Huaxin Power Equipment Co.,Ltd , http://www.huaxinbusbarchina.com