Transcription of Cable GlandThreads Comparison - Mencom Corporation
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THREAD types Comparison for Cable Glands NPTNPT ThreadsmetricPGvsvsBasics ofThreadGENDERHANDEDNESSDIAMETERI nternalThreadExternalThreadDepthMinordia meterPitch diameterMajordiameterPitchCrestRootMajor diameterPitch diameterMinor diameterFemaleMaleLeft-handRight-handDES IGNANGLEPITCH/TPICREST/ROOTP itch1 Threads per InchParallelThreadAngleFlankTaper AngleTaperedNational Pipe Taperedmajor diameterin inches [mm]Pitchin inches [mm]TPI[Thread per inch]1/16 -27 NPT1/8 -27 NPT1/4 -18 NPT3/8 -18 NPT1/2 -14 NPT3/4 -14 NPT1 -11 -11 -11 NPT2 -11 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]27271818141411 11 11 11 Thread size- Taper rate for all NPT threads is 1/16- The flank angle is 60 - The taper on NPT threads allows them to form a seal when torqued as the flanks of the threads compress against each other, as opposed to straight thread fittingsNominalPipe SizeTPI -NPTBAC60 1 47 ABCM etric ThreadsInternational Organization for Standardization (ISO)major diameterin inches [mm]Pitchin inches [mm]fine Thread size- The most commonly used thread type in the world- The flank angle is 60 - Female and Ma
Panzer-Gewinde (also Panzer-Rohr-Gewinde) major diameter in inches [mm] Pitch in inches [mm] Thread size - German thread type - Depth of thread smaller than NPT or Metric, but larger flank angle (80°) - Female and Male thread are both parallel Nominal PG Thread Size A B PG 7 PG 9 PG 11 PG 13/13.5 PG 16 PG 21 PG 29 PG 36 PG 42 PG 48 0.49 [12.5 ...
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