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HFT Pipestoppers® Expandable Aluminium Plugs

Overview
Tech Specs
Ordering
FAQ

Effective Sealing is Simple!

The HFT Pipestoppers® range of Aluminium Test Plugs is specifically designed for heavy-duty applications and is suitable for arduous duties such as immersion in chemicals and/or exposure to higher temperatures.
Typical Applications

Typical applications for aluminium plugs involve plumbing operations, domestic and industrial water, drainage systems, and offshore operations. They are negatively buoyant for subsea work and can be used in all kinds of pipes and materials for leak testing, isolation, sealing, stopping, and even weld purging.

Key Features and Benefits
  • It is constructed from aluminium and has a variety of rubber sealing rings, including natural rubber, silicone, nitrile, neoprene, and Viton.

Suitable for heavy-duty, high-temperature resistant tasks, including chemical immersion.

  • Ideal for plumbing, drainage systems, offshore operations, ducting, conduit, swimming pools, and masking in painting and casting industries.
  • All plugs conform to British Standards BS8005 and BS EN752-4 for low-pressure testing and pipe sealing.
Technical Specifications
Plug Diameters up to 6" (152 mm):
0.5 BSP (13 mm) diameter outlet
Plug Diameters 6 to 18" (152 to 457 mm):
1" BSP (25 mm) diameter outlet
Plug Diameters 20" (508 mm) upwards:
2" BSP (51 mm) diameter outlet
(*The 6" (150 mm) Plug comes with a 0.5" (12 mm) or a 1" (25 mm) Outlet for your preference).
Ordering
  • 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 with greater resistance to various materials.

  • Silicone
  • Nitrile
  • Neoprene
  • Viton

Each HFT Pipestoppers® Aluminium Drain Test Plug expands to suit a variety of dimensions within its range. Effective sealing is simple: insert the plug into a pipe or other opening and turn the wing nut clockwise. The rubber ring will expand and provide a positive seal. Tightening the wing nuts is simple using friction-free washers.

  • As well as for use in weld purging applications, HFT Pipestoppers® Aluminium Test Plugs and Stoppers have a wide variety of other applications, including:

    • Plumbing operations throughout the industry, including domestic and industrial water, sewage, and drainage systems.
    • Ducting and conduit, swimming pools, masking in painting and casting industries, leak test plugs for all pipework fabrications, and many others.
    • Sealing and protecting tanks, vessels, and containers during transportation, particularly when they are pressurised with inert gas.
Your Questions Answered
Yes, HFT Pipestoppers® Aluminium Test Plugs can be used effectively as a permanent stopper. The wings can be cropped to prevent tampering.
Yes, technical data sheets about the chemical resistance of different materials are available on request.
Synthetic sealing rings made from nitrile, neoprene, silicone, and Viton rubbers are available, which will resist attack by many harmful products.
The natural rubber rings can continuously be used up to 70ĒŠC (158ĒŠF). For higher temperatures, we manufacture rings made from silicone that can be used up to 300ĒŠC (572ĒŠF) and Viton, which can be used up to 350ĒŠC (662ĒŠF). Technical data sheets about the resistance of various rubbers to all temperatures and materials are available on request.
The user can extend the range of each plug by a few millimetres by using an exterior rubber seal on top of the ring provided. More details are available on request.
Yes, we can supply the screw caps in your own house colours as well as black or white. Caps can be provided with your name, initials, or logo printed on them.
A pressure chart for HFT Pipestoppers® Aluminium Testing Plugs is shown on the leaflet. Plugs can be braced to assist in greater stability.

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HFT Pipestoppers® Expandable Aluminium Plugs

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