Welch 1376B-46 Duoseal Vacuum Pump for Refrigeration
Welch 1376B-46 Refrigeration Services Vacuum Pump – 10.6 CFM | 115V
Rugged DuoSeal belt-drive vacuum 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 easy positioning.
Key Features:
- Deep vacuum for fast evacuation and dehydration
- Durable pump, precision machined
- Gas ballast for high vapor loads
- High flow rate of 10.6 CFM (300 L/min)
- Large oil reservoir for cooler running and longer oil life
- Includes handles for easy transport and positioning
Electrical Specifications: 115V, 60Hz, 1 Phase with North American 115V Plug
The Welch 1376B-46 is a proven, heavy-duty vacuum pump specifically designed for refrigeration and air conditioning service work. Its robust construction and reliable performance make it a favorite among HVAC/R technicians who need fast, deep vacuum on every job.
Whether you're evacuating residential, commercial, or industrial refrigeration systems, the 1376B-46 delivers the speed and depth needed to remove moisture and non-condensables efficiently.
Need service kits, oil, or technical advice? Email us at support@chemtechsci.com or call (484) 424-9415.
Owners Manual for Welch 1376B-46 Refrigeration Services Vacuum Pump| Applications | Service Lithium Bromide absorption chillers to 1100 tons, fluorcarbon or ammonia chillers to 500 tons |
| Type | DUOSEAL Two Stage - Refrigeration |
| Free Air Displacement m3/hr (l/min.) @50Hz | 10.6CFM (300 l/min) |
| Ultimate Pressure | 0.001 Torr |
| Maximum Vacuum | 1 x 10-4 (1.3 x 10-4) |
| Oil Capacity, qt.(liters) | 2.5(2.4) |
| Motor Horsepower (watts) | 1(750) |
| 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) | 20x14.1x15.4 (51x35.9x39) |
| Ship Weight, lbs. (kg) |
180(81.8) |
Welch 1376B-46 Refrigeration Services Vacuum Pump – 10.6 CFM | 115V
Rugged DuoSeal belt-drive vacuum 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 easy positioning.
Key Features:
- Deep vacuum for fast evacuation and dehydration
- Durable pump, precision machined
- Gas ballast for high vapor loads
- High flow rate of 10.6 CFM (300 L/min)
- Large oil reservoir for cooler running and longer oil life
- Includes handles for easy transport and positioning
Electrical Specifications: 115V, 60Hz, 1 Phase with North American 115V Plug
The Welch 1376B-46 is a proven, heavy-duty vacuum pump specifically designed for refrigeration and air conditioning service work. Its robust construction and reliable performance make it a favorite among HVAC/R technicians who need fast, deep vacuum on every job.
Whether you're evacuating residential, commercial, or industrial refrigeration systems, the 1376B-46 delivers the speed and depth needed to remove moisture and non-condensables efficiently.
Need service kits, oil, or technical advice? Email us at support@chemtechsci.com or call (484) 424-9415.
Owners Manual for Welch 1376B-46 Refrigeration Services Vacuum Pump| Applications | Service Lithium Bromide absorption chillers to 1100 tons, fluorcarbon or ammonia chillers to 500 tons |
| Type | DUOSEAL Two Stage - Refrigeration |
| Free Air Displacement m3/hr (l/min.) @50Hz | 10.6CFM (300 l/min) |
| Ultimate Pressure | 0.001 Torr |
| Maximum Vacuum | 1 x 10-4 (1.3 x 10-4) |
| Oil Capacity, qt.(liters) | 2.5(2.4) |
| Motor Horsepower (watts) | 1(750) |
| 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) | 20x14.1x15.4 (51x35.9x39) |
| Ship Weight, lbs. (kg) |
180(81.8) |



