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Technical Information            i



            7. GAUGES

            7.1. Gauges construction elements




                              1                           3                           2















                              1                           3                           2
















                                            1 - go plug gauge
                                            2 - no go plug gauge
                                            3 - handle





            7.2. Types of gauges

            7.2.1 Gauges NPT


                  Flattening equal with         Flattening one thread        Flattening one thread turn
                    workpiece plane           turn above workpiece plane       below workpiece plane
















                    The base depth              Minimal tapping depth         Maximum tapping depth

                                                                                                                 11
            Pipe threads where pressure tight joint are made on the threads according to PN-EN 10226-1,
            PN-EN 10226-2 (ISO7-1:2000). Verification by means of limit gauges according to PN-EN 10226-3 (ISO-7-2:2000)



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