INTRO/BAG™ mod. IB/3 from DN 3” to 12”
The INTRO/BAG™ system mod. IB/3 allows the flow stop in low pressure steel, cast iron, ductile and polyethylene pipes with diameter from from DN 3″ to DN 12″, with no gas leakage.
Max gas pressure: 0.1 bar
The INTRO/BAG™ system mod. IB/3 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.
- Possibility of introducing a ball from one side and the other from the opposite side.
- Possibility of using the central guide tube as a vent or for the so-called “hydraulic guard”, i.e. the introduction of water between the two balloons to create a safe barrier with gas on steel pipes.
All the Ravetti INTRO/BAG™ tools are built in Ergal aluminium to ensure high strength and light weight.
Model IB3:
- for steel pipes from DN 80 to DN 300
- for polyethylene pipes from DN 90 a DN 315
- for cast iron pipes from DN 80 to DN 300.
MAECENAS IACULIS
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