Buy Welch vacuum pumps from NANOSSR at the best value.
DuoSeal vacuum pumps are the vacuum pumps of choice for large chiller service. These HVAC vacuum pumps have large oil reservoirs to dilute contaminants. Low pump rpm to reduce friction and wear while minimizing reservoir temperature to lessen chemical reactivity. Pump can be ordered with an optional exhaust filter to control oil mist.
NANOSSR is an authorized distributor of Welch vacuum pumps.
Product Details
- Deep vacuum for fast evacuation and dehydration
- Ultimate vacuum
- Low RPM for long service life
Application
- HFO & HFC Systems
- Ammonia Chillers
- Refrigeration System
- Component Manufacturing
- Lithium Bromide Absorption
- Commercial / Industrial Chillers
- Cold Storage
- Rooftops / RTU's
Additional information found here.
SKU# | VP0028 |
Welch Model | CRR-1 |
Free Air Displacement @60Hz, cfm (L/min) | 10.6 (300) |
Ultimate Pressure, Torr | 3 x 10⁻⁴ (0.04) |
Oil Capacity in Qts. | 2.5 |
Motor Horsepower (watts) |
1(750) |
Adjustable Vac. / Gas Ballast |
yes |
Power Option |
115V 60Hz (Motor is not included, additional cost applies) |
Exhaust Thread NPT |
1" NPT |
Intake Thread NPT | 1" NPT |
Overall Dimensions LxWxH in. (cm) | 19.25 x 12.3 x 11.1 (49x31x28) |
Ship Weight, lbs (kg) | 136 (61.8) |
Shipping Carton Dimensions LxWxH in. (cm) | 22x15x18 (56x38x46) |