Welch* DryFast* Chemical Duty PTFE Dry Vacuum Pumps

These sleek, compact oil-free, dry vacuum pumps are popular in Environmental and Analytical Labs, or anywhere else that needs rapid filtration of corrosive or solvent vapors. Quiet, and portable, they are suitable for up to 3 filtration setups (model 2014), 5 setups (model 2037), and 8 setups (model 2047), making them ideal for Networked Vacuum Systems. Use the Advanced Vapor Management controller at full vacuum for filtering, lessen vacuum for aspiration. With durable, long-lasting operation, Welch Chemical Duty Dry Vacuum Pumps can be easily rebuilt when needed, using readily available repair kits. Manufactured with PTFE Heads & PTFE-lined Membranes.
Accepts 1/4 in. ID thickness vacumm tubing on inlet and exhaust (332-67321)

Features:
• User control knob
• Sleek
• Compact
• PTFE construction for aggressive vapors and gases
• No water or oil
• Quiet operation
• Vacuum to 2 torr, throughput to 70 L/min
• Faster filtration from 28 in. to 28.5 in. hg vacuum performance
Image(s) are representative of the product group and not necessarily the individual product.

Free Air Displacement CFM (L/min): 0.8 (25)
Ultimate Vacuum: 29.6 in. Hg (9 torr)
Dimensions in. (L x W x H): 13.8 x 6.8 x 8.6
Weight lbs. (kg): 21.25 (9.6)
Shipping Weight lbs. (kg): 25 (11.3)

Free Air Displacement CFM (L/min): 1.3 (35)
Ultimate Vacuum: 29.6 in. Hg (9 torr)
Dimensions in. (L x W x H): 13.8 x 6.8 x 8.6
Weight lbs. (kg): 21.25 (9.6)
Shipping Weight lbs. (kg): 25 (11.3)

Free Air Displacement CFM (L/min): 1.8 (50)
Ultimate Vacuum: 28.5 in. Hg (35 torr)
Dimensions in. (L x W x H): 13.8 x 6.8 x 8.8
Weight lbs. (kg): 21.25 (9.6)
Shipping Weight lbs. (kg): 23 (10.4)

Free Air Displacement CFM (L/min): 2.5 (70)
Ultimate Vacuum: 28.5 in. Hg (35 torr)
Dimensions in. (L x W x H): 13.8 x 6.8 x 8.6
Weight lbs. (kg): 21.25 (9.6)
Shipping Weight lbs. (kg): 25 (11.3)