CHV-5108 BS5163 MATH B BS5150 Falf gwirio Gwydn
Lluniadu Strwythur
DIMENSIYNAU MEWN MODROEDD A MILIMmetrAU
| DN | L | Dg | Dk | D | b | f | n~d | H |
| 50 | 200 | 102 | 125 | 165 | 19 | 3 | 4-19 | 118 |
| 65 | 240 | 122 | 145 | 185 | 19 | 3 | 4-19 | 135 |
| 80 | 260 | 138 | 160 | 200 | 19 | 3 | 8-19 | 160 |
| 100 | 300 | 158 | 180 | 220 | 19 | 3 | 8-19 | 182 |
| 125 | 350 | 188 | 210 | 250 | 19 | 3 | 8-19 | 205 |
| 150 | 400 | 212 | 240 | 282 | 19 | 3 | 8-23 | 235 |
| 200 | 500 | 268 | 298 | 340 | 20 | 3 | 12-23 | 275 |
| 250 | 600 | 320 | 355 | 405 | 22 | 3 | 12-28 | 320 |
| 300 | 700 | 378 | 410 | 460 | 24.5 | 4 | 12-28 | 365 |
| 350 | 800 | 438 | 470 | 520 | 26.5 | 4 | 16-28 | 400 |
| 400 | 900 | 490 | 525 | 580 | 28 | 4 | 16-31 | 430 |
RHESTR DEFNYDDIAU
| Nac ydw. | Rhan | Deunydd | Safon Saesneg |
| 1 | Corff | Haearn hydwyth | BS2789 Gr. 420-12 |
| 2 | Swing Craidd | Haearn hydwyth | BS2789 Gr. 420-12 |
| 3 | Swing Rwber | EPDM |
|
| 4 | Selio | NBR |
|
| 5 | Boned | Haearn hydwyth | BS2789 Gr. 420-12 |
| 6 | Bolltau | Dur | BS970 43A |
