$3,011.00
Serial #s 514142298 & 1114144750
This listing is for a 2052B-01 Welch diaphragm vacuum pump, a compact, oil-free diaphragm pump designed for continuous laboratory service. With a chemically resistant flow path and maintenance-free operation, it’s well-suited for rotary evaporators, freeze dryers, and vacuum ovens.
The 2052B-01 provides stable vacuum levels without oil contamination, reducing maintenance and improving reproducibility in sensitive applications.
Key Features & Specifications
Pump type: Diaphragm (oil-free)
Flow rate: 57 L/min (2.0 CFM)
Ultimate vacuum: 29.8 inHg (≈70 Torr / 93 mbar)
Stages: 2-stage diaphragm design
Construction: PTFE-coated wetted surfaces for chemical resistance
Motor: 1/6 HP, continuous duty
Power: 115 V, 60 Hz, single phase
Noise level: ~50 dB
Inlet/outlet connections: ⅜″ hose barb
Dimensions (W × D × H): 11″ × 14″ × 9″
Weight: ~30 lb
Cooling: Air-cooled, maintenance-free
Country of manufacture: USA
Applications
Rotary evaporators and vacuum filtration
Laboratory freeze dryers and concentrators
Vacuum ovens for solvent removal
General laboratory vacuum service requiring oil-free operation
MFG Website / Datasheet Link
Official product page: https://www.welchvacuum.com/products/2052b-01
Datasheet: Welch 2052B-01 Specification Sheet (PDF)
RQ-0097
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