Reducing Tee Unidelta PE 40 x 25 x 40 mm – pipe fitting

Unidelta reducing tee in PE material, size 40 x 25 x 40 mm, is a three-way polyethylene pipe fitting designed to join two 40 mm pipes with a reduced 25 mm branch. The fitting provides a stable, corrosion-resistant junction for diverting or branching fluid flow in low-pressure piping systems. Made from PE, it is intended for use in water distribution, irrigation networks and similar utility lines where a reduction from 40 mm to 25 mm is required.

Advantages

The reducing tee is manufactured from polyethylene (PE), offering chemical resistance and low weight compared to metal fittings. Its injection-moulded geometry ensures consistent wall thickness and dimensional accuracy for reliable connections. The design minimizes flow disturbances at the junction and is suitable for fusion or mechanical joining methods compatible with PE systems. The fitting resists corrosion and typical soil-aggressive environments, reducing maintenance needs in buried or exposed installations.

Suitable for

• Domestic and municipal cold water distribution networks
• Irrigation systems for gardens, lawns and agricultural plots
• Low-pressure utility lines and service connections
• Branching an existing 40 mm PE main to a 25 mm lateral

Key specifications

• Material: polyethylene (PE)
• Dimensions: main run 40 mm × branch 25 mm × run 40 mm
• Connection type: suitable for PE fusion or compatible mechanical couplings
• Application pressure range: for low-pressure distribution systems (check system ratings before installation)
• Typical uses: water distribution, irrigation, service lines

How to use

Prepare pipe ends by cutting square and removing burrs and debris. Choose an appropriate joining method for the PE material—electrofusion, butt fusion or approved mechanical couplers—according to the fittings and pipe specifications. Ensure correct alignment of the 40 mm run and 25 mm branch, apply the fusion or coupling procedure following manufacturer instructions and allow any cooling or curing time before pressurising the system. Verify joints visually and, where applicable, perform pressure testing to confirm leak-free installation.

Usage recommendations

Confirm compatibility of the reducing tee with the pipe SDR and system pressure. Use qualified personnel for fusion welding and follow local codes for buried installations, backfill and mechanical protection. Avoid exposure to solvents and long-term UV without suitable protection; if installed outdoors, consider UV-stabilised coverings or burial to extend service life.