DUOSEAL®
Belt-Drive High Vacuum Pumps—Single Stage
SPECIFICATIONS & ORDERING INFO
| Single Phase1,2, One Stage Vacuum Pumps3 | ||
|---|---|---|
| Description | Catalog Number | |
| Wired for 115V, 60 Hz,1 PH with N. American 115V Plug |
1399B-01 $1,586.00 |
1380B-01 $2,713.00 |
| Wired for 115V,60HZ,1PH W/bell jar plate |
||
| 1399N-01 $2,168.00 |
||
| Wired for 220V, 50 Hz,1 PH with Cont. Euro. (Schuko) Plug |
1399C-02 $1,652.00 |
|
| Welch Model | 1399 | 1380 |
| Free Air Displacement | ||
| CFM | 1.2 | 5.6 |
| L/min | 35 | 160 |
| Ultimate Pressure (Torr) | 1.5 x 10 -2 | 1.5 x 10 -2 |
| Gas Ballast | No | Yes |
| Pump RPM | 750 | 535 |
| Motor Horsepower | 1/3 | 1/2 |
| Oil Capacity, qt. (liters) | 0.5(0.47) | 3.7(3.5) |
| Tubing Needed, I.D. in. | 7/16 | 13/16 |
| Intake, Nipple Thread | 3/4-20 | 1-20 |
| Exhaust, Thread Type | 3/4-20 | 1-20 |
| Weight, lbs (kg) | 51(23) | 91(41) |
| Dimensions L x W x H in. (cm) | 17 x 9 x 10 (43.2 x 22.9 x 25.4) |
20 x 12 x 15 (51 x 30.5 x 38.1) |
| Ship Weight, lbs (kg) | 61(28) | 116(53) |
| Shipping Carton Dimensions L x W x H in. (cm) |
20.6 x 13.8 x 14.4 (52.3 x 35 x 36.5) |
22.6 x 15 x 18.3 (57.5 x 38 x 46.5) |
- CSA approved models available. Explosion Proof, TEFC, 3 Phase motors available. Consult product list.
- All 115 and 230V single phase motors include thermal overload protection.
- One-stage pumps should not be operated continuously at pressures above 50 Torr.
