U.PVC pipes and fittings are manufactured on technological lines of Krauss Maffei and Battenfeld-Cincinnati - Federal Republic of Germany.
| DN | Dmin | Zmin | Hmin | D₁min | Z₁min | H₁min | |
| mm x mm | inch x inch | mm | mm | mm | mm | mm | mm |
| 27 x 21 | 3/4 x 1/2 | 33 | 14 | 49 | 27 | 11 | 43 |
| 34 x 21 | 1 x 1/2 | 40 | 16 | 57 | 27 | 11 | 43 |
| 34 x 27 | 1 x 3/4 | 40 | 16 | 57 | 33 | 14 | 50 |
| 42 x 27 | 1¼ x 3/4 | 49 | 23 | 69 | 33 | 14 | 50 |
| 42 x 34 | 1¼ x 1 | 49 | 23 | 69 | 40 | 17 | 60 |
| DN | Dmin | Zmin | Hmin | D₁min | Z₁min | H₁min | |
| mm x mm | inch x inch | mm | mm | mm | mm | mm | mm |
| 27 x 21 | 3/4 x 1/2 | 33 | 14 | 49 | 27 | 11 | 43 |
| 34 x 21 | 1 x 1/2 | 40 | 16 | 57 | 27 | 11 | 43 |
| 34 x 27 | 1 x 3/4 | 40 | 16 | 57 | 33 | 14 | 50 |
| 42 x 27 | 1¼ x 3/4 | 49 | 23 | 69 | 33 | 14 | 50 |
| 42 x 34 | 1¼ x 1 | 49 | 23 | 69 | 40 | 17 | 60 |