Huntingdon Fusion Techniques’ (HFT) Pipestoppers division has manufactured a range of low cost, lightweight nylon plugs designed for hundreds of applications where holes need to be blocked.
The plugs are suitable for hole sizes 0.5 to 6” (12 to 150 mm) diameter.
Ron Sewell, Chairman for HFT® said, “Tube, pipe and tank welders can benefit from using these low-cost nylon plugs. Manufactured with a hollow shaft, these plugs can be used for weld purging and blocking smaller diameter pipes and miscellaneous stubs.”
“A number of ready-made Kits are available, containing plugs ideally suited for the most popular size of pipes, all of which are available for immediate delivery.”
The rubber seals are made of natural black rubber but can be manufactured with sealing rings made of silicone, viton or nitrile rubbers, which make them suitable for use with petrochemical fluids, high temperatures or any other conditions that might arise during use.
The plugs are supplied with a hollow shaft with an outside ½” BSP thread for screwing on a standard hose connection or solid shaft versions up to 1.5” diameter for pressure testing.
Other applications include the stopping of pipes to prevent foreign bodies or liquids from entering or gases and liquids from escaping, blocking pipes in order to carry out routine maintenance, repair work and leak testing. As “overnight stoppers” they provide a strong barrier in pipeline activities, to prevent foreign bodies entering the line during downtime.