Top quality pure nylon plugs with rubber rings, for sealing pipes. Insert in the pipe and turn the wing nut to expand the rubber ring and obtain a seal.Applications include :1. Prevention of contamination in a pipe by water, gas, litter, rodents, etc.2. Inert gas purging.3. Drain testing.4. Preparation of ducting and conduit for on-site thermoforming.* PLEASE NOTE : All pressures are quoted by the manufacturer and are guidelines with the results dependent upon exact i.d. of the tube/pipe, number of turns, conditions of the inside of the pipe and the material.
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