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Sava Australia

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Muststop - Inflatable Environmental Anti-Pollution Stopper

Plugging - Stopping - Tightening - Protecting

Muststop stoppers is a wide range of stoppers designed for various applications on 30 mm to 3000 mm Diameter pipes. They can be equipped with a by-pass allowing a flow deviation or a water or air tightness test.

Muststop fits to any pipe shape (circular, rectangular, ovoid...) or nature (PVC , iron, sandstone, concrete, wood...) and resists to most of the aggressive fluids commonly used in industries.

Muststop stoppers can be made of aramid fiber (Kevlar...) and are coated with Neoprene or Nitrile rubber.



  • Wide range : from 20 to 3000mm
  • Adapts to circular, square, or ovoid pipes
  • Back pressure up to 200 bars !
  • Can be used with wastewater, chemicals, hydrocarbons, acids, solvents
  • No maintenance required
  • Quick and easy set-up

Anti-pollution stopper placed permanently inside a pipe, which can be inflated autonomously. Resists to most chemically aggressive fluids and helps prevent accidental pollution of water networks. It is thin enough to be fixed in the upper half of the pipe without blocking it, and is held in place without damaging the pipe.

Range : from 200 to 1400 mm
Circular pipes


For more information, download some of our brochures

Securit Brochure 1 Securit Brochure 2