Now every Welch 1400 pump we sell comes complete with a Welch 1417 oil mist exhaust filter (a $170.90 value), see Welch's website below for more details.
https://welchvacuum.com/products/post-pump-protection-filters-1417
The Welch DuoSeal vacuum pumps are known for their ruggedness world-wide. These pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduces friction and wear while minimizing reservoir temperature to lessen chemical reactivity.
The Welch 1400 DuoSeal belt drive rotary vane is a durable vacuum pump with a superior vapor handling capability. It offers an excellent ultimate pressure of 1x10-4 torr. These pumps are commonly used for vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, space research, and other vacuum processes. These Welch 1400 DuoSeal Belt Drive Pumps have a pumping speed displacement of 0.9 CFM.
http://welchvacuum.com/products/duoseal-1400
Specifications
| Electrical requirements |
110 Volts 50/60Hz single phase, 1/3 HP 250 watts |
| Type | Belt-drive rotary vane mechanical vacuum pump |
| Application | Rotary evaporation/distillation |
| Pumping rate |
0.9 cfm |
| Oil capacity | 0.63 quart / 0.6 liter |
| Ult. vacuum pressure |
0.1 micron |
| Motor speed | 580 rpm |
|
Intake ID (vacuum connection) |
7/16 inch |
| Intake/exhaust thread size | 3/4-20 |
| Adjustable vac./gas ballast | Yes |
|
Pump dimensions (LxWxH) |
17.8 x 9 x 12.6" |
| Shipping dimensions (LxWxH) |
20.5 x 13.8 x 14.5" |
| Pump weight |
70 Lb |
| Manual | Click here to download |
Standard package
|
Part description |
Quantity |
Part image |
| Welch 1400 DuoSeal belt drive rotary vane dual stage pump |
1 pc |
|
| Welch 1417 oil mist exhaust filter |
1 pc |  |
| User's manual |
1 pc |
|
