Inflatable pipe plug for concrete pipe joint testing PipeStoppers
300 mm - 1800 mm (12" - 72")

Designed specifically to test Concrete Pipe Joints to European Standards, the ATO Stoppers represent a portable, low cost method of testing.
Pipestoppers™ ATO Stoppers and test plugs are available in all sizes from 300mm - 1800mm. Each ATO is manufactured to the specific pipe size with a variation of + & - 6mm.
The stoppers comprise an inflatable outer ring with a 5mm thick closed cell neoprene rubber out, bonded on for excellent sealing properties.
Each stopper can be used as a test end or a blank end and they are totally collapsible and light in weight, making them easy to handle.
Each stopper has a soft central membrane, with a Schrader valve for inflation. They are also fitted with a preset and tamper proof relief valve.
A pull tag is fitted for deflation and there are no removable parts.
A hook and loop strap is provided to attach a gauge and a pull out strap is provided too. An on/off tap can be opened to vent the air.
ATO stoppers are manufactured and tested to BSEN 1610 - 1998.
The safe working pressure is 0.2 bar (2.8 psi, 200 mbar or 20 kpa)
Inflation can be carried out with a small, low cost hand pump or a rechargeable inflator.
A moulded connector for the inflation hose is provided.
Patent Number 8361283

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