Less maintenance compared to other technologies saves time and money
Dry vacuum allows cleaner workplace and environment
Uncontaminated pumping of gases results in cleaner samples and no risk of oil back-streaming

Manual

Head Configuration	Dual Heads
Wetted Parts	PTFE, Kalrez®
Free-Air Capacity (CFM)	2.5
Free-Air Capacity (LPM)	70.8
Free-Air Capacity (LPH)	4248
Max Flow Rate (CFM)	2.45
Max Flow Rate (Liters/min)	70
Max Vacuum (in Hg)	28.5
Max Vacuum (mbar)	48.1
Max Vacuum (mm Hg)	36.1
Max Vacuum (torr)	36.1
Noise Level (dB)	53
Port Size	1/4" hose barb
Max Temperature (° F)	104
Max Temperature (° C)	40
Duty Cycle	Continuous
Power (VAC)	115
Power (amps)	2.65
Power (Hz)	60
Height (in)	8.875
Length (in)	13.875
Height (cm)	22.54
Length (cm)	35.24
Height (mm)	225.4
Length (mm)	352.4
Motor	hp1/4
Description	Vacuum Pump, PTFE, High Flow, 70 L/min, 115V

Welch 2047B-01 Dryfast Diaphragm Vacuum Pump 2.5 CFM, 28.5 HG, 115V