Unidelta reducing tee PE with male thread 40 mm x 6/4" x 40 mm (model 603541)

Reducing tee Unidelta in polyethylene (PE) is designed for branching pipelines where the central outlet is reduced and fitted with a male thread. This fitting connects two 40 mm PE pipes with a 6/4" (1.5") male threaded branch, providing a corrosion-resistant and lightweight solution for joining sections of plastic piping in water supply, irrigation and other low-pressure fluid distribution systems.

Advantages

The PE construction offers resistance to corrosion and many common chemicals while remaining lightweight compared with metal fittings. The integrated male thread on the reduced branch enables direct connection to threaded valves, adapters or equipment without additional adapters. The symmetrical 40 mm inlets maintain consistent flow in the main line, and the reduced central branch allows controlled diversion of liquid to secondary circuits.

Suitable for

• Water supply lines in residential and small commercial systems
• Irrigation systems for gardens, lawns and small agricultural plots
• Low-pressure fluid distribution and recirculation circuits
• Temporary or modular plastic piping installations

Key specifications

• Material: polyethylene (PE)
• Main pipe connection diameter: 40 mm
• Central branch: reduced outlet with male thread, 6/4" (1.5")
• Connection types: butt or socket fusion for 40 mm PE pipes and threaded connection for the branch
• Typical application pressure: suitable for low-pressure water distribution systems (check system requirements before installation)
• Corrosion resistance: suitable for use with potable water and many non-aggressive liquids

How to use

Prepare the 40 mm PE pipes by cutting square and deburring the ends. Join the main 40 mm connections using the appropriate method for PE fittings (electrofusion, butt fusion or compatible mechanical coupling) following the fusion equipment manufacturer instructions and local installation standards. Seal the male threaded 6/4" branch using an appropriate thread sealant or tape compatible with potable water if required, then connect the mating threaded component. Verify alignment and allow any fusion joints to cool fully before applying pressure. Conduct a pressure test and inspect all joints for leaks prior to putting the system into regular operation.

Usage recommendations

Use this reducing tee in systems operating within the recommended pressure and temperature limits for PE fittings. Avoid exposure to aggressive solvents, direct UV without protection, and mechanical stresses at the joint; where necessary, provide supports and protection. Follow applicable plumbing codes and material handling guidelines to ensure safe and long-lasting performance.