Deunyddiau Cydran Mawr
| Rhif cyfresol | Swydd | Gwyddor Materol |
| 1 | pwnc | Rwber pegynol |
| 2 | leinin | Ffabrig llinyn neilon |
| 3 | sgerbwd | Gwifren anhyblyg anhyblyg |
| 4 | fflans | dur ysgafn |
Manyleb perfformiad
| Manyleb perfformiad | Pwysau gweithio | Pwysedd byrstio | gradd gwactod | Tymheredd sy'n gymwys ℃ | Cyfrwng cymwys |
| JGD(I) | 1.6 | 4.8 | 100(750) | -20~+115 (Cyrraeddadwy arbennig-30+250) | Cemegau fel aer, aer cywasgedig, dŵr, dŵr môr, dŵr poeth, olew, asid ac alcali |
| JGD(II) | 1.0 | 3.0 | 86.7(650) | ||
| JGD(III) | 0.6 | 1.8 | 53. 3(400) |
Lluniau dylunio
Tabl Prif Dimensiynau
| DN(mm) | hyd | Dadleoli planau echelinol | dadleoli rheiddiol | Ongl gwyro | Gradd pwysau yn cyfateb i ganolfan pellter dimensiwn twll bollt o fflans | |||
| Elongation | cywasgu | 0.6 MPa | 1.0MPa | 1.6 MPa | ||||
| 32 | 95 | 6 | 9 | 9 | 150 | 90 | 100 | 100 |
| 40 | 95 | 6 | 10 | 9 | 150 | 100 | 110 | 110 |
| 50 | 105 | 7 | 10 | 10 | 150 | 110 | 125 | 125 |
| 65 | 115 | 7 | 13 | 11 | 150 | 130 | 145 | 145 |
| 80 | 135 | 8 | 15 | 12 | 150 | 150 | 160 | 160 |
| 100 | 150 | 10 | 19 | 13 | 150 | 170 | 180 | 180 |
| 125 | 165 | 12 | 19 | 13 | 150 | 200 | 210 | 210 |
| 150 | 180 | 12 | 20 | 14 | 150 | 225 | 240 | 240 |
| 200 | 210 | 16 | 25 | 22 | 150 | 280 | 295 | 295 |
| 250 | 230 | 16 | 25 | 22 | 150 | 335 | 350 | 355 |
| 300 | 245 | 16 | 25 | 22 | 150 | 385 | 400 | 410 |
| 350 | 255 | 16 | 25 | 22 | 150 | 445 | 460 | 470 |
| 400 | 255 | 16 | 25 | 22 | 150 | 495 | 515 | 525 |
| 450 | 255 | 16 | 25 | 22 | 150 | 550 | 565 | 585 |
| 500 | 255 | 16 | 25 | 22 | 150 | 600 | 620 | 650 |
| 600 | 260 | 16 | 25 | 22 | 150 | 705 | 725 | 770 |
| 700 | 320 | 16 | 25 | 22 | 150 | 810 | 840 | 840 |
| 800 | 340 | 16 | 25 | 22 | 150 | 920 | 950 | 950 |
| 900 | 370 | 16 | 26 | 22 | 150 | 1020 | 1050 | 1050 |
| 1000 | 400 | 18 | 26 | 24 | 150 | 1120 | 1160. llathredd eg | 1170. llarieidd-dra eg |
| 1200 | 420 | 18 | 28 | 24 | 150 | 1340. llarieidd-dra eg | 1380. llarieidd-dra eg | 1390 |
| 1400 | 456 | 20 | 28 | 26 | 150 | 1560 | 1590 | - |
| 1600 | 500 | 20 | 28 | 26 | 150 | 1760. llarieidd-dra eg | 1820. llarieidd-dra eg | - |
| 1800. llarieidd-dra eg | 550 | 20 | 35 | 40 | 150 | 1970 | 2020 | - |
| 2000 | 550 | 25 | 35 | 40 | 150 | 2180. llarieidd-dra eg | 2230 | - |
| 2200 | 550 | 25 | 35 | 30 | 150 | 2390 | - | - |
| 2400 | 550 | 25 | 35 | 30 | 150 | 2600 | - | - |
| 2600 | 550 | 25 | 35 | 30 | 150 | 2810. llarieidd-dra eg | - | - |
| 2800 | 550 | 25 | 35 | 30 | 150 | 3020 | - | - |
| 3000 | 550 | 25 | 35 | 30 | 150 | 3220 | - | - |
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