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DDTM - Dixon Diameter Tape

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An accurate groove depth is critical to the performance of any grooved piping system. Get it right with Dixon's diameter roll grooved dimensions.


  • How to use: Place the diameter tape around the pipe or hose to be measured.
  • For grooved pipe, check that the tape is sitting flat on the base of the groove, around the entire circumference. Measure the diameter. This measurement is taken by reading the point along the tape that lines up with '0'.
  • If the groove is within specification, the origin '0' will fall within relevant tolerance band, if the groove is outside specification, the '0' will be outside the revelent tolerance band.

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