Engineering Catalog

PE Compression Fittings — Outside diameter 63 mm

Polypropylene mechanical compression fittings for polyethylene pipes compliant with international standard ISO 17885; comprising couplings, reducing couplings, 90° elbows, equal and reducing tees, and end caps for fast, tool-free mechanical jointing in irrigation and drinking water networks.
5 products found
Comprehensive Buying & Technical Guide

Sealing Mechanism & Anatomy of Compression Fittings

Mechanical compression fittings feature a polypropylene body utilizing the synchronized action of a serrated grip ring (clinch ring) and an elastomeric O-ring. Tightening the threaded outer nut drives the grip ring onto the polyethylene pipe surface, locking it against axial blow-out under internal pressure.

Simultaneously, the spacer bush compresses the O-ring against the pipe outer diameter, establishing a dependable hydraulic seal without heat, solvents, or fusion tools.

Applications & ISO 17885 Standard in Water Supply

Engineered and evaluated under international standard ISO 17885, these fittings are widely deployed in pressurized agricultural irrigation, rural and municipal potable branch lines, and commercial greenhouses.

Rapid field assembly and the ability to demount and reconfigure connections make compression fittings ideal for remote routes where electric power for welding machines is unavailable.

Installation Guidelines & O-Ring Protection

To guarantee leak-free assembly, pipe ends must be cut squarely, deburred, and lightly chamfered so that sharp polymer edges do not slice or dislodge the internal O-ring during insertion.

Thread tightening is accomplished by hand or using designated polymer wrenches for larger nominal sizes, avoiding excessive torque that could stress the threads.

PE Compression Fittings — Frequently Asked Questions

Which products are available in the compression fittings category?

This category features straight couplings, reducing couplings, 90° elbows, equal and reducing tees, and compression end caps.

What is the reference standard for these compression fittings?

These fittings are produced and evaluated in accordance with international standard ISO 17885 for mechanical piping systems.

Are welding machines or special power tools required to install compression fittings?

No. Compression fittings provide mechanical joining and assemble without fusion machinery or power sources, using standard hand assembly.

Special Orders & Custom Dimensions

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.