TPi September 2018

Products & developments

Low profile stoppers for limited spaces and restricted access

and dangerous situation, in a nuclear power steam turbine.” Manufactured from robust fabric, the Low Profile Inflatable Stoppers are available in sizes from 150 to 2,235mm (6" to 88") and grip inside the pipe with an effective, airtight seal. Each stopper is fitted with a standard Schrader valve connected to a 1.2m hose; they are easy to inflate using a foot pump or compressor, and are heat resistant up to 90°C (194°F). Other products in the Pipestoppers inflatable stoppers range include Cylindrical and Spherical Stoppers, available up to Ø 2,440mm (96"), for an easy way to stop the flow of gas or liquid inside pipes and ducts. PetroChem ® Stoppers, manufactured from high-grade latex, are used for stopping off pipes with hydrocarbon

The Pipestoppers ® division at Huntingdon Fusion Techniques (HFT) designs and manufactures a range of mechanical and inflatable pipestoppers and plugs to suit a variety of applications, such as repair work, leak testing, weld purging and debris stopping. The Low Profile Stopper is available for applications where insufficient length of pipe is available for the regular Cylindrical or Spherical Inflatable Stopper. Ron Sewell, chairman at HFT, said, “The Low Profile Stopper can fit into a pipe end that may be directly on an elbow or just inside a flanged neck on a casting. Other applications include blocking pipe ends to keep gases inside or to keep debris and vermin out. When used in a vertical mode, these Low Profile Stoppers have already been used to prevent machine swarf or tools from falling into pipes, into an unrecoverable

HFT’s Low Profile Stoppers

gases and liquids inside. Inflatable Rubber Plugs are available in a wide diameter range and can withstand chemicals and hydrocarbons, for higher- pressure applications, with a long life. The Pipestoppers division also manu- factures a range of aluminium mechani- cal stoppers and plugs for industrial plumbing operations, water drainage systems and offshore operations. These are negatively buoyant for sub-sea work and can be used in all kinds of pipes and other vessels. Huntingdon Fusion Techniques – UK support@huntingdonfusion.com www.huntingdonfusion.com

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September 2018 TUBE PRODUCTS INTERNATIONAL