Compression fitting Perfexim GW 20 mm x 1/2" (62-732-2015-000) for plumbing connections

Perfexim compression fitting GW 20 mm x 1/2" is a press-style plumbing connector designed to join 20 mm pipe lines to 1/2" threaded fixtures. The fitting provides a mechanical, leak-resistant transition between a smooth 20 mm pipe and a 1/2" female or male threaded connection, suitable for potable water and heating systems. The design supports reliable joints in repair, retrofit and new installation scenarios where a compact, robust adapter is required.

Advantages

The compression fitting offers a straightforward mechanical connection without the need for soldering, reducing installation time and eliminating open-flame work. Its construction ensures a tight seal on both the pipe and the threaded fitting, minimizing the risk of leaks under normal operating pressures. The compact form factor allows installation in confined spaces and supports standard 20 mm plumbing runs while providing compatibility with common 1/2" threaded fixtures.

Suitable for

• Joining 20 mm water pipes to 1/2" threaded taps, valves or hoses
• Potable cold and hot water supply systems
• Residential and light commercial heating installations
• Repair and retrofit work where a threaded transition is required

Key specifications

• Connection type: compression-to-thread adapter
• Pipe size compatibility: 20 mm (smooth pipe)
• Thread size compatibility: 1/2" (standard plumbing thread)
• Intended medium: potable water and heating fluids
• Application: indoor plumbing, heating systems, repair and retrofit

How to use

Prepare the 20 mm pipe by cutting squarely and deburring the inner and outer edges. Slide the compression components onto the pipe as required, then insert the pipe end fully into the fitting body. Tighten the compression nut to the manufacturer’s recommended torque to form the mechanical seal, and then attach the 1/2" threaded fixture by hand-starting the thread and tightening with an appropriate wrench. After assembly, pressurize the system and inspect the joint for leaks. Follow local plumbing codes and standard installation practices during the entire procedure.

Usage recommendations

Use with compatible 20 mm smooth pipe materials specified by system design, and avoid over-tightening the compression nut to prevent damage. Verify thread compatibility with the target fixture and use appropriate thread sealant on metal threaded joints if required by applicable standards. For installations in concealed or inaccessible locations, test under operating pressure before closing walls or panels.