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Products - PP-R PIPES & FITTINGS



Fusion
Fusion Tool Operating Guidelines

- Socket Fusion Welding Tool
- Electrofusion Welding Kit
- Desktop Welding Machine

Please refer to the operating manual of various welding tools

Four-Step Fusion Process

Step 1
Cut pipe to the required length using a cutter, mark the welding depth on the pipe, ensure that the indicator light on the welding tool signals that the tool is hot enough (260oC ) for welding.

Step 2
The tip of pipe to be welded is shaved by special Vesbo shaver to remove outside PP-R layer and aluminium foil. (applicable only to PN 25 stable pipes with aluminium foil)

Step 3
Push the pipe and fitting into the welding adaptors, applying even strength at both ends. Do not twist or turn the pipe and fitting while pushing. Wait until heating time is reached.

Step 4
When the welding heating time is reached, remove both pipe and fittings together, again without twisting or turning while pulling out of the welding adaptor. Almost immediately , push both pipe and fitting together until the depth is reached. It is possible to adjust the joints for more than 5 degrees during this time. Joint is now completed.



Welding Depth,Heating,Welding and Cooling Time

The table below provides the necessary information for a good welding joint for various Vesbo pipe and fitting size (applies to Stable pipes also).

Pipe Diameter (mm) Welding Depth (mm) Heating Time (sec.) Welding Time (sec.) Cooling Time (min.)
20 14.0 5 4 2
25 15.0 7 4 2
32 16.5 8 6 4
40 18.0 12 6 4
50 20.0 18 6 4
63 24.0 24 8 6
75 26.0 30 8 8
90 29.0 40 8 8
110 32.5 50 10 8

Ps:Heating time starts when both pipe and fitting are pushed into correct depth. Welding time begins when joints are connected. Cooling time is the time taken for the joint to be completely cured. never reduce cooling time by pouring water or by other means