Flexible structures to plug up to Ø 2500 mm

Inflatable PRONAL plugging systems fit all types of pipes requiring maintenance, repair or testing.

  • To plug
  • To plug
  • To plug
  • Obturateur ovoide
  • Obturateur
  • To plug

Advantages of our solutions

  • Easy to set up: no pipe modification
  • Versatile systems (by pass can be added)
  • High expansion
  • Only 3 plugs needed to cover diameters from 100 mm to 1000 mm
  • Back pressure resistance : +/- 40 bar (for small diameters)