Why do I feel like the hot head of PPR hot melt machine 25 is a bit too big when welding 25 water pipes-Linyi Infinite Hardware Tools Co., Ltd.

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Why do I feel like the hot head of PPR hot melt machine 25 is a bit too big when welding 25 water pipes

2025-07-14

Small hot melt machines generally have three types of hot melt heads: 20, 25, and 32, and generally do not have any problems.

Small hot melt machines generally have three types of hot melt heads: 20, 25, and 32, and generally do not have any problems. Under normal circumstances, the hot melt head of hot-melt fittings will be slightly larger than the inner diameter of the fitting, while the hot melt head of hot-melt pipes will be slightly smaller than the outer diameter of the pipe. PPR pipe size refers to the outer diameter size. If the difference is too large, there is a problem, either the pipe you bought is not in accordance with the national standard, or the hot melt machine is not qualified.

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Instructions for using PPR hot melt machine

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