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Bolt electric heating tube
Bolt electric heating tube

The bolt heating rod is an electric heater suitable for the heating and disassembly heating of the steam turbine bolt heating rod.Large bolt electric heaters for other pressure vessels are also available for reference.After the assembly of each electric heater, the insulation resistance shall not be less than 50 M Ω measured at room temperature with a 500V megger.And withstand 1500V withstand voltage test, lasted 1min without breakdown or flashing phenomenon.Then, in the air, the electricity is heated for 2-3 minutes at the rated working voltage. There must be no overheating, and the insulation resistance should not be lower than 0.5 M Ω, and the leakage current should be no more than 0.5 mA per kW.And check its power, whether it meets the order requirements (deviation ± 5%), after the test, check whether the electric heater parts are intact.Each electric heater shall be inspected by the quality inspection department of the manufacturer and accompanied by a certificate of conformity before it can be shipped.

Address:No. 188, Renmin East Road, Liubao County, Baoying County, Jiangsu Province, China  TelePhone:13952547729  MobilePhone:13952547729  E-mail:76257151@qq.com

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