INTRO/BAG™ mod. IB/5 from DN 18” to 24”

The INTRO/BAG™ system mod. IB/5 allows the flow stop in low pressure steel, cast iron, ductile and polyethylene pipes with diameter from from DN 18" to DN 24", with no gas leakage.

Max gas pressure: 0.1 bar

For further information, our sales department is always available at +39 0142 482626 or by e-mail:

The INTRO/BAG™ system mod. IB/5 allows an easy insertion of the gas bags through guide tubes and offers significant advantages:

  • No gas leak.
  • Introduction and removal of the bag without rubbing the edges of the drilled bore. This problem arises in particular in steel pipes.
  • The outer surface of the gas bags always run on smooth side walls which cannot cause any tearing.
  • The equipment INTRO/BAG™ mod. IB/5 is provided with two by-pass valves that allow to maintain the gas supply the operation.

All the Ravetti INTRO/BAG™  tools are built in Ergal aluminium alloy to ensure high strength and light weight.

Model IB5:

  • for steel pipes from DN 450 to 600
  • for polyethylene pipes from DN 500 to 630
  • for cast iron pipes from DN 450 to 600.