Tha corp a’ bhalbha air a chruthachadh gu h-iomlan gus uireasbhaidhean a-staigh a thoirt air falbh; tha pacadh PTFE/grafait a’ dèanamh cinnteach à beatha seirbheis fhada fo theodhachd àrd agus cuideam àrd. Tha a h-uile pàirt a-staigh air a làimhseachadh an-aghaidh creimeadh, co-chòrdail ri lionn creimneach, èadhar teann agus meadhan ola.
| 1/8 | 0.13″ | DN6 | 9.5mm | 8.8mm | 0.2mm |
| 1/4 | 0.26″ | DN8 | 12.5mm | 11.5mm | 0.3mm |
| 3/8 | 0.39″ | DN10 | 16.2mm | 15.3mm | 0.3mm |
| 1/2 | 0.52″ | DN15 | 20.3mm | 19.5mm | 0.3mm |
| 3/4 | 0.65″ | DN20 | 25.7mm | 24mm | 0.5mm |
| 1 | 1.31″ | DN25 | 32.5mm | 30.5mm | 0.5mm |
| 1-1/4 | 1.57″ | DN32 | 41.3mm | 39.5mm | 0.5mm |
| 1-1/2 | 1.96″ | DN40 | 47.8mm | 46.3mm | 0.5mm |
| 2 | 2.62″ | DN50 | 59.6mm | 56.6mm | 0.5mm |