Both plugs have essentially the same design. The PTP plugs do have a bypass connection which can be used to fill the piping to be tested with water or other test media fluids.
What are the differences between Pipe Plug and Pipe Test Plug?
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Both plugs have essentially the same design. The PTP plugs do have a bypass connection which can be used to fill the piping to be tested with water or other test media fluids.