An electrofusion reducing tee is used to tee off a HDPE pipe, to add in a smaller size outlet to a PE pipe. Electrofusion reducing tees are often used to supply water or gas to an area from a main pipeline, as they have a smaller off-take (and therefore less flow) than the original pipeline. With a size range from 50 mm x 40 mm to 180 mm x 125 mm, electrofusion reducing tee fittings come in SDR 11 (which also suits SDR 13.6 & SDR 17).
Electrofusion reducing tee fittings are made from PE100 material with a precisely moulded energizing coil of wire, ensuring uniform melting for a strong electrofusion joint and the minimisation of welding and cooling times. SDR 11, SDR 13.6 and SDR17 electrofusion reducing tees are rated to PN16 water and 1000 kPa gas. Reducing tee electrofusion fittings are suitable for use for HDPE pipe, and welded with an electrofusion pressure welder. Electrofusion reducing tee PE fittings may also be known as an electrofusion reducing tee joiners or EF reducing tee pipe joiners. Note that the centre of the tee is a spigot fitting and requires a coupler to join it to another pipe or fitting.
Electrofusion Reducing Tee sizes available:
- 50 x 25 mm electrofusion EF reducing tee (2164.5025). (50 mm is the size of the original pipe, 25 mm is the reducing end size.)
- 50 x 40 mm electrofusion EF reducing tee (2164.5040).
- 63 x 40 mm electrofusion EF reducing tee (2164.6340).
- 63 x 50 mm electrofusion EF reducing tee (2164.6350).
- 90 x 63 mm electrofusion EF reducing tee (2164.9063).
- 110 x 63 mm electrofusion EF reducing tee (2164.1163).
- 110 x 90 mm electrofusion EF reducing tee (2164.1190).
- 125 x 63 mm electrofusion EF reducing tee (2164.1263).
- 125 x 90 mm electrofusion EF reducing tee (2164.1290).
- 125 x 110 mm electrofusion EF reducing tee (2164.1211).
- 160 x 63 mm electrofusion EF reducing tee (2164.1663).
- 160 x 90 mm electrofusion EF reducing tee (2164.1690).
- 160 x 110 mm electrofusion EF reducing tee (2164.1611).
- 160 x 125 mm electrofusion EF reducing tee (2164.1612).
- 180 x 125 mm electrofusion EF reducing tee (2164.1812).
Training for Plumbers – Electrofusion Jointing for HDPE pressure and drainage pipes
As with welding carried out on any material used for engineering purposes, fusion welding of polyethylene (HDPE) for plumbing and drainage pipe systems is a skilled operation which must be carried out by suitably trained and certified tradespersons.
Training and accreditation is mandatory for plumbers under the Plumbing Code of Australia (PCA) as both AS/NZS 3500.1 Plumbing and drainage – Water services and AS/NZS 3500.2 Plumbing and drainage – Sanitary plumbing and drainage contain references to AS/NZS 2033 Installation of polyethylene pipe systems. AS/NZS 2033 Clause 4.2 Fusion Jointing specifies “Only trained and certified operators shall carry out fusion jointing”.
Acu-Tech facilitates Nationally Accredited training courses covering fusion welding procedures through Polyweld Tech Academy which is a Registered Training Organisation (RTO).