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  ❯   Ravetti STOP/SYSTEM™   ❯   Products / parts   ❯   Intro/Bag®   ❯   INTRO/BAG™ MOD. IB/4 FROM DN 14” TO 16”

INTRO/BAG™ MOD. IB/4 FROM DN 14” TO 16”

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The INTRO/BAG™ system mod. IB/4 allows the flow stop in low pressure steel, cast iron, ductile and polyethylene pipes with diameter from DN 14” to 16”, with no gas leakage.

Max gas pressure: 0.1 bar

The INTRO/BAG™ system mod. IB/4 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 INTRO/BAG™ system mod. IB/4 is provided with a by-pass valve for the continuous gas supply during line-stop the operation.

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

Model IB4:

  • for steel pipes from DN 350 to DN 400
  • for polyethylene pipes from DN 355 to DN 450
  • for cast iron pipes from DN 350 to DN 400.
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Ravetti STOP/SYSTEM™

Maximum safety and reliability
Ravetti STOP/SYSTEM™ minimizes gas leakage and ensures safe operation even under high pressure.
Uninterrupted supply
Ravetti STOP/SYSTEM™ maintains the supply of gas, water, or oil even during maintenance.
Quick Installation
Requires minimal excavation, is easy to install, and reduces operational costs.
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