Product Description
New Welch 1402 pump. Complete with Pump, Base, Guard, and Motor. 5.6 CFM. 230v 1/2 HP motor. 
 
 
   
 | 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 Distillation
- Vacuum Manifold/Schlenk Line
 
             
                 
                 
           
       
           
                   
           
                   
           
                   
           
                   
           
                  