Argweld Pipe Purging Plugs
 This new line of very low cost expanding plugs for purging pipes and pipe work fabrications is manufactured from nylon, a high quality engineering polymer giving:
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high accuracy
- guaranteed sealing
- long life time
The Expanding Purge Plugs can be used on small diameter pipe work where conventional pipe purging devices are not suitable and on pipe work fabrications where there are a number of branches and ends to seal.
The full range includes two styles. Sizes from 0.05" (13mm) to 1.5" (38mm) with solid shafts and there is a hollow shaft version as well which includes another 1.5" (38mm) model with these sizes:
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2.0" (50mm)
- 2.5" (62mm)
- 3.0" (75mm)
- 4.0" (100mm)
- 5.0" (125mm)
- 6.0" (150mm)
Hollow shaft plugs come with a sealing end cap with internal rubber seal as well as a hose connector tailpiece and nut for connecting a gas inlet hose or vent hose.
Each plug comprises a center shaft over which are two compression plates. Between the compression plates is a natural rubber ring which is expanded by means of a wing nut on the shaft, which when tightened closes the two plates and compresses the rubber ring seal between them to seal the plug tightly inside the pipe or hole.
The plugs are fully demountable for cleaning purposes and the shaft has an 'O' ring seal as well as a locking keyway to ensure re-assembly is positive and leak tight.
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