Tool family
Cited variants
| Designation | Generation | Vintage | Changes | Source |
|---|---|---|---|---|
| Duo 3 | — | — | Standard version | pfeiffervacuum.com[1] |
| Duo 3 M | — | — | Differs from the standard version by magnetic coupling | pfeiffervacuum.com[1] |
| Duo 3 MC | — | — | Differs from the standard version by operating fluid F4, magnetic coupling encapsulated on the pump side, changed vane material, hose connection on the gas ballast valve, and leakage rate ≤ 1 × 10-8 Pa m3/s | pfeiffervacuum.com[1] |