Air-Loc 30" Plain Joint Tester Less Wheels and Control Panel
Fast, safe and easy to use, a five-second test determines joint integrity. Cherne's Air-Loc® Joint Tester is designed to test large-diameter, installed, pre-cast concrete pipe as described in ASTM C1103.
Ready to test with water or air straight from Cherne's factory - no modifications are needed - the Air-Loc® Joint Tester also allows you to pre-test before backfilling. Capable of testing to 15 PSI air or 50 psi water.