Low Pressure Joint Testing

Cherne's Air-Loc® Joint Tester is designed to test large diameter, installed, pre-cast concrete pipe.  It's fast, safe and easy to use.  A five-second test can determine joint integrity.   

Frequently Asked Questions

Can I get help with a joint tester?

Yes. There is a video on the Cherne page on YouTube that demonstrates how a joint tester works. Owner’s Manuals with specific instructions on assembling and using Cherne Joint Testers can be found in technical section of the Cherne website.

Can I order specific parts for a Honda test pump?

Owner’s Manuals and parts lists on all Cherne equipment can be located in the technical section of the Cherne website. http://www.cherneind.com/Data/ “pieces parts” – replacement parts for the hydrostatic test pumps and joint testers. We do not stock engine parts.  

What is the test pressure called out in ASTM C1103 for joint testing?

3.5”