Leak Testing, Isolation, Sealing, Stopping
The standard seals on the HFT Pipestoppers® Aluminium Test Plugs and Stoppers are made from natural rubber.
Synthetic rubber seals are available for petrochemical applications where greater resistance to a variety of materials is required.
Available synthetic options are:
Each HFT Pipestoppers® Aluminium Drain Test Plug expands to suit a variety of dimensions within its range.
Effective sealing is simple. HFT Pipestoppers® Aluminium Test Plugs and Stoppers merely need inserting into a pipe or other opening and the wing nut to be turned clockwise. The rubber ring will expand and provide a positive seal.
Tightening of the wing nuts are simple by the use of friction free washers.
Sizes range from 1.5″ to 36″ (38 to 900 mm) and great for leak testing, isolation, sealing, stopping and even for the weld purging of pipework too.