Общий каталог Yamawa 2022 - 2023 - страница 1193

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Description of productsTechnical Information 15. Bored hole size before tapping ( for thread cutting ) ■ for Pipe Threads Unit : mm Unit : mm Unit : mm Bored hole size( ref.) SSiizzee MMiinnoorrDDiiaammeetteerr ooff JJIISSinintteernrnaallththrereaadd(D(D1)1) BBoorreeddhhoollee ssizizeeMax.Min.((rreeff.).) Bored hole size( ref.) 6.50 PF 1/16 - 28 6.843 6.561 66.7.75770 6.77 8.50 PF 1/8 - 28 8.848 8.566 88..775880 8.78 PF 1/4 - 19 11.890 11.445 11.78 11.30 11.7380 11.78 PF 3/8 - 19 15.395 14.950 15.28 14.90 PF 1/2 - 14 19.172 18.631 11549..29080 15.28 18.5 PF 5/8 - 14 21.128 20.587 12981..050 19.0 24.0 PF 3/4 - 14 24.658 24.117 22144..05 21.0 30.2 PF 7/8 - 14 28.418 27.877 232408..523 24.5 38.8 PF 1　- 11 30.931 30.291 23380..388 28.3 44.7 PF 1 1/8 -11 35.579 34.939 343045..874 30.8 PF 1 1/4 -11 39.592 38.952 39.4 56.5 PF 1 1/2 -11 45.485 3556.4544.84545.3 35.4 PF 1 3/4 -11 51.428 50.788 3591..43 39.4 PF 2　- 11 57.296 56.656 4557..31 45.3 PF 2 1/2 -11 72.866 72.226 5712..37 51.3 PF 3　- 11 85.566 84.926 5875..14 57.1 PF 3 1/2 -11 98.012 97.372 97.9 PF 4　- 11 110.712 110.072 110.6 ■ for American Standard Pipe Thread Unit : mm Unit : mm Size Minor diameter of internal threads Bored hole sizeMax.Min. ( ref.) Size Minor diameter of internal threads Bored hole sizeMax.Min.( ref.) 1/16 - 27 NPSC 6.604 6.300 6.53 1/16 - 27 NPSM 6.908 6.731 6.86 1/8 - 27 NPSC 8.940 8.636 8.86 1/8 - 27 NPSM 9.245 9.094 9.21 1/4 - 18 NPSC 11.633 11.227 11.53 1/4 - 18 NPSM 12.217 11.888 12.13 3/8 - 18 NPSC 15.087 14.656 14.98 3/8 - 18 NPSM 15.544 15.317 15.49 1/2 - 14 NPSC 18.643 18.161 18.5 1/2 - 14 NPSM 19.278 18.974 19.2 3/4 - 14 NPSC 24.003 23.495 23.9 3/4 - 14 NPSM 24.638 24.334 24.6 1- 11 1/2 NPSC 30.073 29.490 29.9 1- 11 1/2 NPSM 30.759 30.506 30.7 1 1/4 - 11 1/2 NPSC 38.836 38.253 38.7 1 1/4 - 11 1/2 NPSM 39.497 39.269 39.4 1 1/2 - 11 1/2 NPSC 44.907 44.323 44.8 1 1/2 - 11 1/2 NPSM 45.567 45.339 45.5 2- 11 1/2 NPSC 56.946 56.363 56.8 2- 11 1/2 NPSM 57.607 57.379 57.6 ■ for Dryseal American Standard Pipe Thread Unit : mm Size Minor diameter of internal threads Bored hole sizeMax.Min. ( ref.) 1/16 - 27 NPSF 6.482 6.305 6.44 1/8 - 27 NPSF 8.829 8.652 8.78 1/4 - 18 NPSF 11.455 11.232 11.40 3/8 - 18 NPSF 14.892 14.672 14.84 1/2 - 14 NPSF 18.374 18.118 18.3 3/4 - 14 NPSF 23.721 23.465 23.7 1- 11 1/2 NPSF 29.758 29.464 29.7 1 1/4 - 11 1/2 NPSF 38.514 38.220 38.4 1 1/2 - 11 1/2 NPSF 44.584 44.290 44.5 2- 11 1/2 NPSF 56.621 56.328 56.5 Technical-42