The UC4 is typically used in light cleaning during the construction phase. However, it can be used in all phases of pipeline cleaning. The UC4 is equipped with four Series C cups specifically designed to perform efficiently and reliably.
Designed to negotiate 1.5D and greater bends.

| Size | A | B | C | Part # |
|---|---|---|---|---|
| 16” | 26.500 | 29.500 | 16.000 | 70-3804-16 |
| 18” | 29.250 | 31.375 | 17.875 | 70-3804-18 |
| 20” | 33.500 | 36.875 | 19.875 | 70-3804-20 |
| 22” | 38.125 | 42.000 | 21.875 | 70-3804-22 |
| 24” | 41.250 | 45.000 | 23.875 | 70-3804-24 |
| 26” | 44.375 | 48.625 | 25.875 | 70-3804-26 |
| 28” | 47.875 | 52.125 | 28.000 | 70-3804-28 |
| 30” | 51.875 | 56.500 | 29.875 | 70-3804-30 |
| 32” | 54.125 | 58.875 | 32.000 | 70-3804-32 |
| 34” | 56.500 | 61.000 | 34.000 | 70-3804-34 |
| 36” | 58.625 | 63.750 | 36.000 | 70-3804-36 |
| 42” | 66.750 | 72.125 | 42.125 | 70-3804-42 |
| 48” | 73.000 | 78.875 | 47.750 | 70-3804-48 |