PVDF pipe spools have the following nominal liner thickness:
| Sizes | PVDF Liner Thickness In. | Vacuum Rating (in Hg/F) |
| 1" | .125 | FV @ 275°F |
| 1-1/2" | .125 | FV @ 275°F |
| 2" | .125 | FV @ 275°F |
| 3" | .125 | FV @ 275°F |
| 4" | .145 | FV @ 275°F |
| 6" | .160 | FV @ 275°F |
| 8" | .185 | FV @ 275°F |
FV = Full Vacuum
Liner is black or unpigmented in color.