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What kind of material should be used for cooling water quick connector
Material Selection of Cooling Water Quick Joint Corresponding information of cooling water circulation system: The system that uses water to cool the process media is called cooling water system, cooling water system. The cooling water only passes through the heat exchange equipment once, and the water is directly discharged after use. Although such a system has less investment and convenient control, its water consumption is extremely large, and the control cost of cooling water is also large, which does not meet the norms of water conservation.
Material Selection of Cooling Water Quick Joint
Corresponding information of cooling water circulation system: The system that uses water to cool the process media is called cooling water system, cooling water system. The cooling water only passes through the heat exchange equipment once, and the water is directly discharged after use. Although such a system has less investment and convenient operation, its water consumption is extremely large, and the operation cost of cooling water is also large, which is not in line with the standard of water saving. Nowadays, almost all the circulating cooling water systems (excluding the direct current cooling water systems still in use in the sea) have been changed, I .e. the cooling water is not directly discharged after use, but is recycled and reused. Erosion and biofouling will occur in the cooling circulating water, so what kind of material is used for the cooling water quick connector?
The cooling water quick connector can be made of rubber material, and it is also made of the advantages of rubber elasticity, high tightness, medium resistance, weather resistance and radioactivity resistance. It is made of polyester cord fabric with high strength and strong cold and heat stability after being combined with it, and then vulcanized by high pressure and high temperature molding. When the rubber elastic joint is used in circulating water, it can be axially retractable in the corresponding area, can get rid of the deviation caused by the different axial direction of the pipeline connection in the corresponding angle, can facilitate the assembly and disassembly of the valve pipeline, can be retractable at will in the permitted retractable volume of the pipeline, and will play a limit once the retractable volume exceeds its retractable volume, thus ensuring the safe operation of the pipeline.
Reciprocating cooling water refers to the replacement of heat through the heat exchanger or direct contact heat exchange form to replace the medium heat and the cooling tower cold water, the cycle of use, in order to save water. Under normal circumstances, the circulating water is neutral and weakly alkaline, and the pH value is controlled between 7 and 9.5; in the case of acidic or alkaline (pH value greater than 10.0) of the circulating cooling water in direct contact with the medium, it is less common.
Material selection specification for anti-corrosion rubber elastic joints. For ordinary slightly corrosive media or environments, EPDM rubber is generally selected. The middle layer is further strengthened with encrypted wire ring and nylon cord cloth. Flanging design is used to make the flange completely out of contact with the media. The flange is manufactured using the specifications of the Ministry of Chemical Industry and can completely achieve corrosion resistance. Specification for acid-base resistance. When the pH value is high or the temperature of the medium is high, we will use the lining PTFE for disposal in addition to the above procedures.
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SAE quick coupling basic introduction
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