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HFT Pipestoppers® Expandable Steel Plugs

Overview
Tech Specs
Ordering
FAQ

Seal it quickly, Fast and Easy!

Huntingdon Fusion Techniques HFT® provides Pipestoppers® Steel Plugs and Stoppers for more arduous duties. These Steel Drain Test Plugs are ideal for long immersion in water, high-temperature use, or contact with acidic or alkaline environments, where nylon, aluminium, and inflatable plugs may be unsuitable.
Leak Testing, Isolation, Sealing, and Stopping

HFT Pipestoppers® Steel Test Plugs are versatile and can be used for low-pressure testing and plugging pipelines, pipework fabrications, and other orifices between 2 to 48" (50 to 1200 mm) diameter.

Key Features and Benefits

Made from high-quality steel, designed for heavy-duty applications.

Suitable for long immersion in water, high temperatures, and contact with acidic or alkaline environments.

Standard seals made from natural rubber, with synthetic options available for specific applications.

Ideal for leak testing, isolation, sealing, stopping, and purging pipework.

  • Silicone
  • Nitrile
  • Neoprene
  • Viton

HFT Pipestoppers® Steel Test Plugs and Stoppers are available as single plugs for general use and double plugs for greater sealing capacity and stability inside pipes.

Allows for easy tightening of the wing nut.

Provide greater sealing capacity and stability, especially for high-pressure applications.

Technical Specifications
Sizes:
Available from 2 to 48" (50 to 1200 mm) diameter.
Standards:
Conform to BS8005 and BS EN752-4 for low-pressure testing and sealing of pipes.
Availability:
Standard sizes are available for immediate delivery.
Ordering

HFT Pipestoppers® Steel Test Plugs and Stoppers come in various sizes and are equipped with gas or liquid connection outlets.

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)
Your Questions Answered
Yes, HFT Pipestoppers® Steel 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).
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® Steel Testing Plugs is shown on the leaflet. Plugs can be braced to assist in greater stability.

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HFT Pipestoppers® Expandable Steel Plugs

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