GVPDIF 4A
The GVPDIF 4A is a diffusion pump for high-vacuum applications, used with a suitable backing pump. Girovac supplies, services and sources spares for diffusion pumps. For price and availability, email [email protected] or request a quote.
Characteristics
Pumping Speed | Without Baffle | L/Sec | 250 |
With Baffle | 185 | ||
Ultimate Pressure with Baffle | Mbar | 1.5 x 10-7 | |
Heater Power | 220v 1Ph 700W | ||
Warm up Time | min | 20 | |
Oil Filling | DC704,150cc | ||
Cooling | Air Cooling | ||
Oil Backstream | Mg/cm2/min | 4.0 x 10-4 | |
Inlet Size | VG-100 | ||
Outlet Size | VG-25 | ||
Weight | Kg | 10 | |


GVPDIF 4A diffusion pump for high vacuum (used with a backing pump). Supply, servicing & spares from Girovac.







