He mea hanga te tinana takirere kia kore ai e hapa ngā mea o roto; mā te PTFE/graphite e roa ai te ora i raro i te pāmahana me te pēhanga teitei. Kua rongoatia ngā wāhanga o roto katoa ki te ārai-waikura, ā, he hototahi ki te wai waikura, te hau pēhanga me te hinu.
| 1/8 | 0.13 inihi | DN6 | 9.5mm | 8.8mm | 0.2mm |
| 1/4 | 0.26 inihi | DN8 | 12.5mm | 11.5mm | 0.3mm |
| 3/8 | 0.39 inihi | DN10 | 16.2mm | 15.3mm | 0.3mm |
| 1/2 | 0.52 inihi | DN15 | 20.3mm | 19.5mm | 0.3mm |
| 3/4 | 0.65 inihi | DN20 | 25.7mm | 24mm | 0.5mm |
| 1 | 1.31 inihi | DN25 | 32.5mm | 30.5mm | 0.5mm |
| 1-1/4 | 1.57 inihi | DN32 | 41.3mm | 39.5mm | 0.5mm |
| 1-1/2 | 1.96 inihi | DN40 | 47.8mm | 46.3mm | 0.5mm |
| 2 | 2.62 inihi | DN50 | 59.6mm | 56.6mm | 0.5mm |