Welch 1402B-46 Duoseal Vacuum Pump for Refrigeration
Welch 1402B-46 Duoseal Vacuum Pump for Refrigeration
- Deep vacuum for fast evacuation and dehydration
- Durable pump, precision machined
- Gas ballast for high vapor loads.
Rugged DuoSeal belt-drive pumps enable fast, thorough evacuation of refrigeration systems. Features high flow and deep vacuum with low pump RPM and large oil reservoirs for extended life and reduced maintenance. Includes handles for enable positioning.
Owner's Manual Welch 1402B-46 Refrigeration Services Vacuum Pump| Applications | Service Lithium Bromide absorption chillers to 500 -700 tons, fluorcarbon or ammonia chillers to 100 to 200 tons |
| Type | DUOSEAL Two Stage - Refrigeration |
| Free Air Displacement m3/hr (l/min.) @50Hz | 5.6 CFM (160 l/min) |
| Ultimate Pressure | 0.001 Torr |
| Maximum Vacuum | 1 x 10-4 (1.3 x 10-4) |
| Oil Capacity, qt. (liters) | 2.25(2.1) |
| Motor Horsepower (watts) | 1/2(370) |
| Adjustable Vac. / Gas Ballast | Yes |
| Tubing Needed | Yes |
| Intake Thread NPT | 13/16(21) |
| ISO Exhaust / Intake Flange | 1-20 |
| Overall Dimensions LxWxH in. (cm) | 20x12x15 (51x30.5x60) |
| Ship Weight, lbs. (kg) | 132(60) |
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Welch 1402B-46 Refrigeration Vacuum Pump |
Welch 1402B-46 Duoseal Vacuum Pump for Refrigeration
- Deep vacuum for fast evacuation and dehydration
- Durable pump, precision machined
- Gas ballast for high vapor loads.
Rugged DuoSeal belt-drive pumps enable fast, thorough evacuation of refrigeration systems. Features high flow and deep vacuum with low pump RPM and large oil reservoirs for extended life and reduced maintenance. Includes handles for enable positioning.
Owner's Manual Welch 1402B-46 Refrigeration Services Vacuum Pump| Applications | Service Lithium Bromide absorption chillers to 500 -700 tons, fluorcarbon or ammonia chillers to 100 to 200 tons |
| Type | DUOSEAL Two Stage - Refrigeration |
| Free Air Displacement m3/hr (l/min.) @50Hz | 5.6 CFM (160 l/min) |
| Ultimate Pressure | 0.001 Torr |
| Maximum Vacuum | 1 x 10-4 (1.3 x 10-4) |
| Oil Capacity, qt. (liters) | 2.25(2.1) |
| Motor Horsepower (watts) | 1/2(370) |
| Adjustable Vac. / Gas Ballast | Yes |
| Tubing Needed | Yes |
| Intake Thread NPT | 13/16(21) |
| ISO Exhaust / Intake Flange | 1-20 |
| Overall Dimensions LxWxH in. (cm) | 20x12x15 (51x30.5x60) |
| Ship Weight, lbs. (kg) | 132(60) |
|
Welch 1402B-46 Refrigeration Vacuum Pump |



