Pocket Pex Crimping Tools

An inexpensive tool for proper crimps of rings on pex tubing.

If you'd like to be able to repair your own pex plumbing but can't justify the expense of a $100+ pex crimping tool, then the pocket pex crimper may be just what your looking for.

By using a pair of vice grips, the pocket crimper will properly crimp each ring to ASTM specs. Each crimp should be checked with a go/no-gauge to ensure that these specs are met.

INSTRUCTIONS

Pex tubing can come in various colors.

pex pipe cutter Cut pex tubing cleanly without burrs using a pex tubing cutter -- sold separately.

pex ring fitting Slide crimp ring over tubing. Insert fitting and position ring 1/8" from end.

pex plumbing supplies Position pocket crimper over ring. You may have to separate the crimper to get it into position.

vice grips crimping A rubber band will help hold it together while you make the crimp. Using a vice grips (the bigger the better), squeeze the end. A full crimp can only be obtained if the pocket crimper has closed all the way. Squeezing from the side as pictures will give you the most leverage. Most likely you will have to squeeze and adjust the vice grips several times to obtain a full crimp.

no go guage All crimps should be tested with a go/no-go gauge (sold separately). If the crimp is perfect, the gauge marked 'go' will slide onto the crimped ring. The gauge marked 'no-go' will NOT slide onto the crimped ring.

If both gauges slide onto the crimped ring, then your crimp is too tight and your pipe or fitting could crack. If both gauges do not slide, then your ring is not crimped enough and could leak.

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