AIR Springs Supply has introduced an expanded range of Pronal inflatable pipe stoppers to Australia.
The equipment is used for maintenance, testing and emergency tasks in the coal mining industry.
The multi-sized stoppers — in an expanded range spanning pipes from 45-2115mm diameter in stock sizes and up to 3000mm for customised types - are typically used to carry out sealing tests and maintenance work on municipal and industrial water and waste water pipelines.
Air Springs Supply General Manager Simon Agar says the units are also applied to prevent accidental pollution such as spilling of toxic product, thus preventing the flow of toxic fluids into drainage networks or the surrounding environment.
Agar claims the versatility of the material used and the production method (customised dilatability) means Pronal inflatable stoppers are suitable for all types of pipelines including concrete, cast iron, steel, stainless steel and PVC. He says they are extremely strong and durable in service, being hot vulcanized in a mould and Kevlar reinforced, giving outstand service life.
Inflated at the specified pressure and with a back-pressure of up to 1 bar for standard types (10m water column), each stopper can be used within a range of pipe diameters. For example, a range of just four stoppers is needed to span the 100-1200mm diameter pipe sizes.
Stopper types include:
- Vari plugs 45-1500mm with blank stopper, bypass for watertightness tests; and rod for mini pipes
- Uni-Plug collapsible pipe stoppers from 20-3000mm that compactly fit around obstacles, corners and into previously inaccessible areas of surface, underground and underwater pipelines.
- Pollu-Plug and anti pollution stoppers permanently fitted in stormwater and sewerage lines ready for rapid inflation by remote triggering as soon as an emergency arises in industrial, civil and municipal applications.
Available in stock sizes to seal pipe diameters from 805-2115mm — with larger sizes custom fabricated — the deflated stopper is designed to allow normal non-polluted effluents or water to pass through the pipe when the stopper is uninflated.
For more information about Air Springs Supply’s national distribution and technical support network, please contact Air Springs Supply Pty Ltd, 10 Angas St, Meadowbank, Sydney 2114, ph (02) 9807 4077, fax (02) 9807 6979, sales@airsprings.com.au