Nylon Expansion Plugs from 1/2” – 4” with fittings and caps, in a convenient hard carrying case with custom foam inserts. Ideal for pipe purging, automotive radiator and swimming pool testing. These superior, versatile, expandable plugs are used to accommodate a wide variety of industrial applications where an airtight seal is required.
- Quality, Lightweight, Durable Nylon 20% lighter than metal.
- Tough/shatter-proof and easily cleaned and maintained, corrosion resistant.
- Plaster or cement do not adhere to the plug.
- Friction-reducing acetyl copolymer thrust washer inserted between plate and wing nut provides for easy expansion.
- Natural Rubber provides "superior" seal.
- Larger sizes incorporate strengthening ribs to provide rigidity in use.
- Silicon, nitrile, and viton seals available
KIT CONTAINS: 4pc of each size ½” to 1 ½” (2 solid stem, 2 vented stem), 2pc of each size 2” to 4” (30pc)