Compression Adapter MAGNAPLAST 40 mm to 1 1/2" G (model 444411)

MAGNAPLAST 40 mm to 1 1/2" G compression adapter (model 444411) is engineered to join 40 mm polyethylene (PE) pipe to a 1 1/2" G threaded fitting. The adapter creates a reliable mechanical seal between the smooth PE pipe and a standard male or female threaded connection, enabling a secure transition in water supply and irrigation installations. Constructed for straightforward installation, the part is suitable for environments where a threaded interface is required for valves, meters or pipework sections.

Advantages

The compression adapter provides a leak-resistant joint without the need for hot work or solvent welding, using a compression mechanism to clamp the pipe securely. It allows a fast mechanical connection between plastic pipe and threaded fittings while maintaining alignment and sealing under typical operating pressures for water systems. The design simplifies repairs and modifications by permitting disassembly and reassembly of threaded components.

Suitable for

• Connecting 40 mm PE water supply pipes to 1 1/2" G threaded valves or fittings
• Irrigation system branches where a threaded connection to equipment is required
• Repairing or modifying sections of plastic piping that interface with threaded components

Key specifications

• Connection A: compression fitting for 40 mm polyethylene (PE) pipe
• Connection B: 1 1/2" G standard thread
• Material: corrosion-resistant polymer and/or reinforced plastic components suitable for potable water and irrigation
• Sealing method: mechanical compression seal
• Intended use: water supply and irrigation systems

How to use

Cut the 40 mm PE pipe squarely and deburr the end to ensure a smooth sealing surface. Slide the compression nut and any internal insert or ferrule onto the pipe as required by the adapter design, push the pipe fully into the adapter seat, and tighten the compression nut to the specified torque to form the seal. Thread the 1 1/2" G mating fitting or valve into the adapter and hand-tighten, then use an appropriate tool to secure a leak-free connection. Check the assembled joint under pressure for any signs of leakage and retighten if necessary following the manufacturer’s torque guidance.

Usage recommendations

Use compatible 40 mm PE pipe and ensure the threaded counterpart is standard 1 1/2" G. Avoid over-tightening the compression nut to prevent damage to the pipe or sealing elements. Follow local plumbing codes and pressure ratings for potable water or irrigation systems, and inspect the joint periodically for wear or leaks, especially after seasonal changes or pressure fluctuations.