Available in all Shapes and Sizes
The standard range of PetroChem® Stoppers is available in a variety of shapes with sizes ranging from 1 to 44” (25 to 1,118 mm). They have a 1.3 m hose length, 8 mm ID, 14 mm OD and are fitted with a standard Schrader valve.
It is generally accepted that the pressure, which an Inflatable Stopper will hold back, depends on five factors:
- The surface of the pipe into which the Inflatable Stopper is to be inserted.
- The friction resistance of the Inflatable Stopper cover material.
- The total area of contact between the Inflatable Stopper and pipe.
- Whether or not the Inflatable Stopper is supported.
- The pressure inside the Inflatable Stopper itself.