Measures to prevent freezing of UPVC pipes

2018-06-15View Original

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There is a construction project in Inner Mongolia where the extreme outdoor temperatures reach -25°C. For a DN15 chemical dosing pipeline, UPVC material was chosen for the pipes due to considerations related to the medium used. To ensure normal operation in winter, other pipes are equipped with steam tracing, but for this UPVC pipe, using steam tracing is a concern as high temperatures might affect the pipe material. Do any of you have good solutions? I currently have two options: 1. Apply an insulating layer to the UPVC pipes first, and then use steam tracing on the outside ； 2. Hot water heating is used here, with the hot water temperature controlled at 50°C.

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Measures to prevent freezing of UPVC pipes

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