Dimensional specifications, pressure classes and engineered jointing for specialized infrastructure service.
PE Butt-Fusion Fittings — Outside diameter 125 mm
Butt-Fusion Principles & Continuous Line Integrity
Butt fusion is the benchmark joining method for polyethylene pipeline infrastructure. Facing tools square the mating ends of the fitting and pipe before an electric heating plate brings both surfaces to molten temperature; controlled hydraulic pressure then merges the faces to interlock polymer chains.
The resulting weld creates a homogeneous joint with tensile endurance equal to or exceeding the pipe wall, resisting longitudinal ground stresses and hydraulic thrust.
Standard EN 12201-3 & Butt-Fusion Product Range
Manufactured under the specifications of European standard EN 12201-3, these fittings serve pressurized potable water transmission, sewage force mains, and industrial chemical pipelines.
The current product range includes butt-fusion tees for 90° branch diversion, concentric reducers for diameter adjustments, and butt-fusion end caps for terminal line closure.
Site Execution & Butt-Fusion Machine Requirements
Executing butt-fusion joints requires compatible manual or hydraulic butt-fusion equipment (as detailed in the pe-welding-machines category). Strict adherence to soak times, bead-up pressures, and ambient cooling cycles is mandatory.
Avoiding forced cooling with water or disturbing the joint before completion prevents residual stress concentrations within the weld bead.
PE Butt-Fusion Fittings — Frequently Asked Questions
Which butt-fusion fittings are available in this group?
This category features polyethylene butt-fusion tees, butt-fusion reducers, and butt-fusion end caps.
What is the reference standard for polyethylene butt-fusion fittings?
These fittings are manufactured in accordance with EN 12201-3 for water supply and pressurized engineering systems.
What site machinery is required to install butt-fusion fittings?
Assembly requires a manual or hydraulic butt-fusion welding machine equipped with pipe clamps, electric facing tool, and heating mirror.
Can't find what you need?
If you require specific sizes, custom fittings or specifications not listed in the catalog, our technical team is ready to assist and review custom requests.