Фотография калибров. These gages conform to GOST 25575. They are used for flat root and crest thread and sealing surface of casing pipe and coupling ОТТМ, ОТТГ, and ТБО type joint testing (GOST 632).

Available gage types:

  • Р — working thread plugs and rings;
  • К-Г-Р — master plain plugs;
  • К-Р — measuring thread plugs and rings;
  • Г — working plain plugs and rings;
  • К-Г-Г — plain master plugs;
  • Г-У — plain working plugs and rings (for ОТТГ and ТБО type joints);
  • К-Г-Г-У — plain master plugs and rings (for ОТТГ and ТБО type joints);

Gage technical terms are up to the GOST 24672 When ordering, please specify the gage like this:

Thread working plug gage for pipe coupling with minor diameter of 168 mm. Plug P Обс. тр. кон. ГОСТ 25575