| Amerika standart hajmi Nominal quvurning o'lchamlari IPS (taniqli) (Dyuym) | Amaliy o'lchamdagi diametri (OD) (Dyuym) | Tashqi diametrli (OD) haqiqiy (mm) 1 dyuym=25, 4 mm | Yaqinroq metrik trubaning hajmi yoki (mm) (bir xil emas) |
| 1/2 "IPS | 0,84″ | 21,34 mm | 20 mm |
| 3/4 "IPS | 1,05″ | 26,67 mm | 25 mm |
| 1 "IPS | 1,32″ | 33,40 mm | 32 mm |
| 1-1 / 4 "IPS | 1,66″ | 42,16 mm | 40 mm |
| 1-1 / 2 "IPS | 1,90″ | 48,26 mm | 50 mm |
| 2 "IPS | 2,38″ | 60,33 mm | 63 mm |
| 2-1 / 2 "IPS | 2,87″ | 72,90 mm | 75 mm |
| 3 "IPS | 3,50″ | 88,90 mm | 90 mm |
| 4 "IPS | 4,50″ | 114,30 mm | 110 mm |
| 5 "IPS | 5,56″ | 141,22 mm | 140 mm |
| 6 "IPS | 6,63″ | 168,28 mm | 160 mm |
| 7 "IPS | 7,13″ | 180,98 mm | 180 mm |
| 8 "IPS | 8,63″ | 219,08 mm | 200 mm |
| 10 "IPS | 10,75″ | 273,05 mm | 250 mm |
| 12 "IPS | 12,75″ | 323,85 mm | 315 mm |
| 14 "IPS | 14,00″ | 355,60 mm | 355 mm |
| 16 "IPS | 16,00″ | 406,40 mm | 400 mm |
| 18 "IPS | 18,00″ | 457,20 mm | 450 mm |
| 20 "IPS | 20,00″ | 508,00 mm | 500 mm |
| 22 "IPS | 22,00″ | 558,80 mm | 550 mm |
| 24 "IPS | 24,00″ | 609,60 mm | 600 mm |
| 25 "IPS | 25,00″ | 630,00 mm | 630 mm |
| 28 "IPS | 28,00″ | 711,20 mm | 700 mm |
| 30 "IPS | 30,00″ | 762,00 mm | 750 mm |
| 32 "IPS | 32,00″ | 812,80 mm | 800 mm |
| 36 "IPS | 36,00″ | 914,40 mm | 900 mm |
| 42 "IPS | 42,00″ | 1066,80 mm | 1000 mm |
| 48 "IPS | 48,00″ | 1219,20 mm | 1200 mm |
Quvur hajmini cho'ktiradi (dyuym)
(I temir quvuri hajmi asoslanadi)
| Nominal quvur o'lchami (nomzodi) (dyuym) (dyuym) | Amaliy o'lchamdagi diametri (OD) (Dyuym) | Haqiqiy tashqi diametr (mm) 1 dyuym=25, 4 mm |
| 3 "DIPS | 3,96 mm | 100,584 mm |
| 4 "DIPS | 4,8 mm | 121,92 mm |
| 6 "cho'kish | 6,9 mm | 175,26 mm |
| 8 "cho'kish | 9,05 mm | 229,87 mm |
| 10 "DIPS | 11,1 mm | 28,94 mm |
| 12 "DIPS | 13,2 mm | 335,28 mm |
| 14 "cho'kish | 15,3 mm | 388,62 mm |
| 16 "cho'kish | 17,4 mm | 441,96 mm |
| 18 "cho'kish | 19,5 mm | 495,3 mm |
| 20 "cho'kma | 21,6 mm | 548,64 mm |
| 24 "cho'kish | 25,8 mm | 655,32 mm |
| 30 "cho'kish | 32 mm | 812,8 mm |
| 36 "cho'kish | 38,3 mm | 972,82 mm |
| 42 "DIPS | 44,5 mm | 1130,3 mm |
| 48 "DIPS | 50,8 mm | 1290,32 mm |