Product Description
Reconditioned Welch 1402 pump.
Complete with Pump, Base, Guard, and Motor. 5.6 CFM. 115v 1/2 HP motor.
These pumps are well known for their toughness and long life. A belt drive pump means the pump will experience less wear and tear because of a slower RPM. A tried and true design that has stood the test of time. Whether you are working in a lab environment or making neon signs, the Welch 1402 pump is a great choice. If you have ever had one, you know what it can do.
Contact us if you need more information about this or any other pump.
1 year warranty.
Click Here for Manual
Click Here for Exploded View and Parts List
| Two Stage Vacuum Pumps3 | ||||
|---|---|---|---|---|
| Description | Catalog Number | |||
| Wired for 115V, 60 Hz, 1 PH with N. American 115V Plug |
1400B-01 |
1405B-01 |
1402B-01 |
|
| Wired for 230V, 60 Hz, 1 PH with N. American 230V Plug |
1400C-01 |
1402C-01 |
||
| Wired for 220V, 50 Hz, 1 PH with Cont. Euro Plug |
1400C-02 |
1405C-02 |
1402C-02 |
|
|
Explosion Proof Motor, 115V, 60Hz |
1400W-01 | 1405W-01 |
1402W-01 |
|
| Welch Model | 1400 | 1405 | 1402 | |
| Free Air Displacement | ||||
| CFM | 0.9 | 3.2 | 5.6 | |
| L/min | 25 | 91 | 160 | |
| Ultimate Pressure (Torr) | 1 x 10 -4 | 1 x 10 -4 | 1 x 10 -4 | |
| Gas Ballast | Yes | Yes | Yes | |
| Pump RPM | 580 | 525 | 525 | |
| Motor Horsepower | 1/3 | 1/2 | 1/2 | |
| Oil Capacity, qt. (liters) | 0.62(0.59) | 2.25(2.1) | 2.25(2.1) | |
| Tubing Needed, I.D. in. | 7/16 | 7/16 | 13/16 | |
| Intake, Nipple Thread | 3/4-20 | 1-20 | 1-20 | |
| Exhaust, Thread Type | 3/4-20 | 1-20 | 1-20 | |
| Weight, lbs (kg) | 58(26) | 112(51) | 112(51) | |
| Dimensions L x W x H in. (cm) | 17.8 x 9 x 12.6 (45.1 x 22.9 x 32.1) |
20 x 12 x 15 (51 x 30.5 x 38.1) |
20 x 12 x 15 (51 x 30.5 x 38.1) |
|
| Ship Weight, lbs (kg) | 68(31) | 128(58) | 128(58) | |
| 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) |
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. Models 1400C-02, 1405C-02 and 1402C-02 provided with CE marking.
- Two-stage pumps should not be operated continuously at pressures above 10 Torr.
ACCESSORIES
| Pump Accessories | 1400 | 1402 | 1405 |
|---|---|---|---|
| Standard Exhaust Filter | 1417 |
1417P-10 |
1417P-10 |
| Replacement Filter Element | 1417L |
1417G |
1417G |
| Directional Exhaust Filter | 1417A |
1417A |
1417A |
| Replacement Filter Element | 1417G |
1417G |
1417G |
| Exhaust Mist Eliminator | 1416C-01 |
1416C-01 |
|
| Exhaust Connectors to Hose | 1393J |
1393K |
1393K |
| Exhaust Connectors to ISO Flange | 1393F |
1393G |
1393G |
| ISO Hinged Clamps | 302201 |
302202 |
302202 |
| ISO Centering Rings | 303101 |
303102 |
303102 |
| Dry Ice Traps | |||
| Coaxial Traps | |||
| Molecular Sieve Trap | |||
| Liquid Nitrogen Cold Trap |
* 1402 Pump requires extension tube 1417A-02 for use with Directional Exhaust Filter
Welch DuoSeal Pumps have a Long Service Life Due to Low Pump RPM!!!!
Typical applications:
- Freeze Drying
- Vacuum Drying
- Degassing
- Concentrating
- Vacuum Distillations
- Vacuum Manifold/Schlenk Line
- Each pump is fully disassembled and all parts are cleaned and decontaminated with our multi-step process to ensure all contaminants are removed.
- All parts are inspected for wear.
- Damaged or worn parts are replaced.
- All O-rings, seals, springs, gaskets, and belts replaced.
- Motor tested.
- Assembled and tested with multiple flushes of new oil.
