Cherne’s 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.
End-of-Pipe Gripper Plugs can be used in applications including DWV (drain, waste and vent) testing and stack testing. End-of-pipe design seals only at the end of a pipe. Cherne Industries is a global leader in pipe plug, blocking and testing.
Plug is rated for 17 PSI or 40 ft. of head pressure
Extra large zinc wing nut for ease of tightening, no wrench required
Natural rubber O-ring for excellent expansion and memory
ABS glass-reinforced plates for added strength
Zinc-Plated carriage bolt resists rust and corrosion
Usage Range: 3.8-4.06 in.
Nominal Size: 4 in. (100 mm)
Head Pressure (Feet of Head): 40
Maximum Back Pressure: 17 PSI (1.2 bar)
Product Type: End-of-Pipe Gripper
Head Pressure (Feet of Head)
Maximum Back Pressure
17 psi (1.2 bar)
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