DUOSEAL®
Belt-Drive High Vacuum Pumps—Two Stage Large
SPECIFICATIONS & ORDERING INFO
| Single Phase, Two Stage Vacuum Pumps3 | ||||
|---|---|---|---|---|
| Description | Catalog Number | |||
| Wired for 115V, 60 Hz,1 PH with N. American 115V Plug |
1376B-01 $3,511.04 |
1397B-01 $4,617.60 |
1374B-01 $5,427.76 |
|
| Wired for 230V, 460V,60HZ 3-Phase Motor |
1376M-01 $3,616.08 |
1397M-01 $4,691.44 |
1374M-01 $5,427.76 |
|
| Wired for 220V, 50 Hz,1 PH with Cont. Euro. (Schuko) Plug |
1376C-03 $3,642.08 |
1397C-03 $4,691.44 |
||
| Welch Model | 1376 | 1397 | 1374 | |
| Free Air Displacement | ||||
| CFM | 10.6 | 17.7 | 23 | |
| L/min | 300 | 500 | 650 | |
| Ultimate Pressure (Torr) | 1 x 10 -4 | 1 x 10 -4 | 1 x 10 -4 | |
| Gas Ballast | Yes | Yes | Yes | |
| Pump RPM | 525 | 400 | 510 | |
| Motor Horsepower | 1 | 1 | 1-1/2 | |
| Oil Capacity, qt. (liters) | 2.5(2.4) | 1.25(1.2) | 1.25(1.2) | |
| Tubing Needed, I.D. in. | 13/16 | 1-5/8 | 1-5/8 | |
| Intake, Nipple Thread | 1-20 | 1.75-20 | 1.75-20 | |
| Exhaust, Thread Type | 1-20 | 1.75-20 | 1.75-20 | |
| Weight, lbs (kg) | 156(71) | 205(93) | 220(100) | |
| Dimensions L x W x H in. (cm) | 20 x 14.1 x 15.4 (51 x 35.9 x 39) |
26 x 13.7 x 18.8 (66 x 34.8 x 47.6) |
26 x 13.7 x 18.8 (66 x 34.8 x 47.6) |
|
| Ship Weight, lbs (kg) | 177(81) | 224(102) | 231(105) | |
| Shipping Carton Dimensions L x W x H in. (cm) |
23.4 x 17.7 x 18.9 (59.5 x 45 x 48) |
27.8 x 16.2 x x20.9 (70.6 x 41.2 x 53) |
27.8 x 16.2 x x20.9 (70.6 x 41.2 x 53) |
|
- 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. Models 1376C-02, 1397C-02 and 1374C-02 provided with CE marking.
- Two-stage pumps should not be operated continuously at pressures above 10 Torr.
- Conduit wiring installation required. No cord, plug or switch provided.
