Vacuum pumps
| Relative cost | Daily operating cost | Clean (no oil) | |
| Rotary vane | $ | $$$ | ✘ |
| Scroll | $$ | $ | ✔ |
| Turbomolecular | $$$ | $ | ✔ |
Rotary vane
10RVP
10RVP general-purpose mechanical pumping station
Features:
- 10 CFM/8.4 CFM (60/50 Hz) two-stage rotary vane vacuum pump
- 5 ft flexible stainless steel pumping line with NW 25 flanges
- Isolation valve, vent valve, and compound pressure/vacuum gauge
11DDP
11DDP general-purpose mechanical pumping station
Features:
- 10 CFM/8.4 CFM (60/50 Hz) two-stage rotary vane vacuum pump
- Liquid nitrogen cold trap with isolation valve
- 5 ft flexible stainless steel pumping line with NW 25 flanges
- Vacuum gauge and readout
Scroll
SP-20
SP-20 dry scroll pumping station for pumping on helium vapor
Features:
- 13 CFM (60/50 Hz) dry scroll pump
- 5 ft standard flexible stainless steel pumping line
- NW 25 isolation valve, vent valve, and compound pressure/vacuum gauge
- Floor-level cart with casters
SP-35
SP-35 dry scroll pumping station for pumping on helium vapor
Features:
- 21 CFM (60/50 Hz) dry scroll pump
- 4 ft long flexible stainless steel pumping line
- NW 40 isolation valve, vent valve, and compound pressure/vacuum gauge
- Floor-level cart with casters
Turbomolecular
Power requirement: 100 to 240 VAC, 50/60 Hz
TS-85-D
TS-85-D turbopumping station for evacuation of a small cryostat vacuum space
Features:
- Turbomolecular pump with nominal 42 L/s capacity
- 0.8 CFM dry diaphragm backing pump
- Mounting frame with rubber feet and cutouts for easy handling
- Wide-range vacuum gauge (atmosphere to 10-8 Torr) with digital display
- Controller with integral air cooler, digital display of turbo speed, and input for one vacuum gauge
- 5 ft flexible stainless steel pumping line
- NW 25 vacuum isolation valve and fittings
TSJ-85-D
TSJ-85-D turbopumping station for evacuation of a large cryostat vacuum space
Features:
- Turbomolecular pump with nominal 42 L/s capacity and NW 40 fittings
- 9 CFM dry scroll backing pump
- Mounting frame with rubber feet and cutouts for easy handling
- Wide range vacuum gauge (atmosphere to 10-8 Torr) with digital display
- TIC controller with integral air cooler, digital display of turbo speed, and input for up to three vacuum gauges
- 4 ft flexible stainless steel pumping line
- Vacuum isolation valve