The Cherne® Gripper® Plugs can be used in a variety of applications including DWV (Drain, Waste and Vent) Testing and Stack Testing. End-of-Pipe design won’t fall in, whereas the Inside-of-Pipe design allows you to locate the plug inside the pipe as far as you need. Time tested, the Gripper remains one of the most popular mechanical plugs on the market.
Frequently Asked Questions
Does Cherne offer chemical resistant mechanical test plugs?
Yes. Cherne offers two chemical resistant mechanical plugs: The Cherne Well Monitor Plug and the Cherne Petro Econ-O–Grip.
What is the maximum temperature that the original gripper plugs be exposed to?
Gripper plugs have natural rubber O-Rings. These O-Rings allow for operating temperatures between 0° F to 125° F. Consult engineering for usage outside this temperature range.
What gripper should be used when blocking a hole?
Mechanical plugs can be used to block an opening (Grippers are mechanical plugs). Be sure to use the correct size Gripper for the opening.