About the product
- End-of-pipe plug seals or holds pressure to test piping system
- Plugs open-ended 3 in. pipes
- Made with ABS glass-reinforced plates for added strength
- Mechanically seals only at the end of a pipe, preventing plug from falling into stack
- Rated for 17 PSI or 40 ft. of head pressure
- Can be used in long-term applications
- Plastic plug body will not rust or corrode
- Natural, chemical-resistant rubber O-ring for excellent expansion and memory
- Zinc-plated steel handle
- Galvanized carriage bolt to prevent corrosion
- Galvanized mechanical plugs have a wide usage range making them effective on most piping material
- Maximum allowed air is 5 PSIG on plastic and 2 PSIG on galvanized
- Plastic mechanical plugs are premium plugs designed to hold higher pressures
