HFT Pipestoppers® Steel Test Plugs and Stoppers are available in sizes 2 to 48″ (50 to 1200 mm) and are manufactured with outlets according to their diameters.
Outlets on the Plugs (for gas or liquid connection):
Plug Diameters up to 150 mm (6″)
• 12 mm diameter outlet (0.5″ BSP)
Plug Diameters 200 to 450 mm (8″ to 18″)
• 25 mm diameter outlet (1.0″ BSP)
Plug Diameter 500 mm (20″) and upwards
• 50 mm diameter outlet (2.0″ BSP)
The standard seals are made from natural rubber although specific synthetic seals are available for applications where greater chemical resistance and/or higher temperature operation is required. The natural rubber rings can be used up to 80˚C (176˚F) in continuous use. For higher temperatures, we supply rings made from silicone that can be used up to 300˚C (572˚F) and viton, which can be used up to 350˚C (662˚F).
Synthetic seal options are Silicone, Nitrile, Neoprene and Viton.
These HFT Pipestoppers® Steel Test Plugs and Stoppers can be used as Drain Test Plugs, Sewerage Test Plugs, Waste Test Plugs, Plumbing, Welding Purge Plugs and many other applications.