Jidhka waalka waxaa si buuxda loo sameeyay si loo baabi'iyo cilladaha gudaha; Baakadaha PTFE/graphite waxay xaqiijinayaan cimri dheer oo adeeg ah heerkulka sare iyo cadaadiska sare. Dhammaan qaybaha gudaha waa la daweeyay oo ka hortaga daxalka, oo la jaanqaadaya dareeraha daxalka, hawada la cadaadiyay iyo qalabka saliidda.
| 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 |