Cylindrical & Spherical Inflatable stopper

 Cylindrical & Spherical Inflatable stopper can be inserted and retracted through small holes and then inflated to full size for stopping operations. They are used to service a wide variety of industrial applications and are available in the following ranges:

Standard Inflatable Stopper                 

Cylindrical Inflatable stopper.       

Spherical Inflatable stopper.

 The Standard Range of Cylindrical & Spherical Inflatable stopper are available  with sizes ranging from 1 to 96" (25 to 2440 mm).

Cylindrical  stopper will not invert (turn over) inside a pipe when under pressure, because they are longer than their diameter.

Spherical Stoppers are used where the position of the stopper is not important and they can be put at any angle and still make a seal.


Cylindrical & Spherical Inflatable stopper most common applications are:  

Debris stopping during machining operations

Leak testing of pipework systems in commercial, domestic and industrial applications

Low pressure hydrostatic tests

On-site thermoforming of bends in ducting and conduit materials

Fibre-optic construction projects

Debris and animal barriers for overnight protection of pipelines

Weld purging to isolate volumes in tanks, to minimise gas purging volumes

Plumbing operations

Technical Data and Specification

 Inflatable Stoppers are supplied with an inflation hose fitted with a Schrader valve.

1 to 24" Inflatable Stoppers have a 1.3 m hose length, 8 mm ID, 14 mm OD and are fitted with a standard Schrader valve. 

 Inflatable Stoppers are totally collapsible and lightweight making them easy to handle on site and to ship around the World.

Each Inflatable Stopper is made specifically to suit the ambient conditions.

Cylindrical and Spherical Inflatable Stoppers are usually supplied as standard with no through tube. Specials as well as Stoppers with through tubes are available as non-standard.

Foot pumps can be supplied where required.

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