Butt Fusing Tee 280mm

Where a run has to put a branch into an existing main, the butt fusion tee is the component that decides the joint's strength. The body is a single moulding with the coil already in the socket wall; the branch does not neck down, the bore is continuous through the junction, and the crew finishes the whole thing with the same welder they use everywhere else. Because the tooling is in house, a non-standard diameter or a private-label marking is a normal order rather than a special, and the lead time does not change.

How this differs from the rest of the range: Fixed-size DN280 butt-fusion tee for bulk matching of DN280 projects. Focuses on precise DN280 size procurement compared with the general tee page.

The numbers that matter

Butt fusion tee dimensions

Every figure is a finished dimension in mm. A one-sided tolerance such as +3 or +5 is lower-limit zero, upper limit +3 or +5 mm.

Send the pipe schedule with your enquiry and the socket depth and weld parameters are confirmed for you rather than read off the chart. Non-chart sizes are made to order.

Sizing and ordering

Socket depth first: it is the length of pipe that actually fuses, and it is what a joint is judged on. Then branch height from the main centre line, then the overall length of the main run. Because the body is one moulded piece, all three are fixed by the tool rather than by assembly.

Installation context

Specified duty: branching of gas. Typical installations:

• Temporary bypasses during a mains replacement programme

• New service take-offs from an existing distribution main

• Meter and valve chambers, where the branch has to land inside a confined space

• Trench junctions where two runs leave a single feed

• Water supply and industrial DN280 networks

Material and standards

Moulded from PE100 (PE80 on request), one piece, with the heating coil forming part of the moulding. Dimensional and material requirements come from PE100; ISO 4427 / EN 12201 / GB/T 13663 / DIN 8074-8075, applied on the same tooling for every market we ship to. Certification held: ISO 9001:2015, CE, SGS, with certificates and batch test reports going out with the shipping documents on request.

Order terms: MOQ and lead time negotiable per size and order quantity, confirm on inquiry

What it joins to

A fitting is only as good as what it is joined to. This one is specified to work with PE100 DN280 HDPE pipe, butt fusion welding machine, facing tool, heating plate or clamping tools.

FAQ

Q: Do I need a special welder?

A: No. The fitting carries its own heating coil and parameter barcode, so any standard electrofusion machine with the right output range will weld it. The machine reads the heating and cooling times off the fitting.

Q: How do I know the weld is complete?

A: The weld indicator pin rises when the socket has taken its full heating cycle. It is a visible check on every joint and it is what the welding record is written against.

Q: Can you mark the fittings with our brand?

A: Yes. We mould the body marking to your specification and pack to your carton and pallet spec - OEM and ODM are routine, not exceptions.

Also in the range

• Electrofusion End Cap for Gas
• Electrofusion End Cap For Pipe Closure
• 45 Degree Electrofusion Elbow
• Electrofusion coupling - straight-line joints in the same range

Equal Tee Dimension Drawing

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