3321 Series Specifications
Tube OD Range
3.000″ to 4.000″
(76.2 to 101.6mm)
Spares & Accessories
Short Series Mandrel:
6-1/4″ (158.8mm) OAL with 1″ (25.4mm) square drive. Both mandrels are required for the selected wall gauge.
Roll Set
| Tube Size (OD BWG) |
Range | Expander Assembly | Roll Set** | Drum Mandrel* | Short Mandrel |
|---|---|---|---|---|---|
| 4″ x 13-18 | 3.625 – 4.000 | 3321-30508 | 3321-28A | 150003MD10PX | 10 – 14 |
| 3-1/2″ x 14-18 | 3.187 – 3.562 | 3321-30316 | 3321-23A | 150003MD9PX | 8 – 12 |
| 3″ x 14-18 | 2.687 – 3.000 | 3321-21116 | 3321-16A | 150003MD8PX | 7 – 10 |
*Mandrels must be purchased separately.
**Roll Set includes 3 rolls and 6 roll retainer pins.