Copper crimp rings ensure full 360˚ compression of the pipe over the barbs of the fitting without the risk of expansion or corrosion. A PEX crimp ring is installed by positioning it over the pipe and fittings and compressing it with the help of a PEX crimp (crimping) tool.

The 649X1 from Sioux Chief is a set of 3/8" PEX Copper Crimp Rings. PEX copper crimp rings are the most popular and easy-to-install crimp rings for PEX pipe.  It is pure, annealed copper rings to ASTM F1807 and CSA B137.5 standards. Together with a PEX crimp tool, they are used to secure PEX piping over the crimp-style PEX fittings.

Each 649X1 is manufactured to ASTM F1807 standard. The ASTM F1807 Crimp™ is the oldest and most popular PEX connection system. Since 1996 it has provided hundreds of millions of leak-free, permanent joints. From residential to commercial installations, F1807 connections have provided an easy and reliable plumbing connection and have stood the test of time.

The 3/8 inch Pex Copper Crimp Rings are Made in America Pure copper No burrs, perfect temper Tenured economical solution .

Sioux Chief offers all major PEX systems. Sioux Chief’s PEX offering is the most complete in the plumbing industry. All fitting and tubing solutions carry a 25-year warranty, mixed or matched. Sioux Chief does not limit its warranty on tube or fittings based on matching system connections. This is unique.

PowerPEX is warranted across all three of Sioux Chief’s PEX system connection offerings, giving contractors the ability to choose the right tube or fitting connection for each application, layout or contractor comfort level. We call this Fitting Freedom™.

Sioux Chief believes intelligent systems may incorporate hybrid PEX offerings to maximize each connection system’s benefit. This Power to Choose™ puts the plumber back at the heart of smart plumbing.

For complete product instructions specifications and how-to installation please visit: https://www.siouxchief.com/products/supply/powerpex-systems/astm-f1807/rings