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Mechanical Vacuum Pumps


Welch Model 2565  


Welch Model 2585  

Common Applications:
• Stripping • Drying
• Desiccation • Distillation
• Filtration
• Degassing Platics


Welch Model 2090  


Welch System
Model 8140B

Welch® Industrial Standard–Duty Piston
Welch Single Stage Vacuum Pumps
MODEL CFM ULT.PRESS., TORR MOTOR DESCRIPTION HP PRICE
2565B 3.1 60 115V, 60Hz, 1PH 1/3 $752.00
2585B 7.1 60 115V, 60Hz, 1PH 1/3 1099.00

Welch Two Stage Vacuum Pumps
MODEL CFM ULT.PRESS., TORR MOTOR DESCRIPTION HP PRICE
2560B 1.6 7.5 115V, 60Hz, 1PH 1/3 $752.00
2580B 3.5 9 115V, 60Hz, 1PH 1/3 1388.00
Note: Not recommended for pumping organic, acidic and basic vapors.


• LIGHT WEIGHT • COMPACT
• HIGH THROUGHPUT • OIL FREE PUMPS
• DRY PISTON & DIAPHRAM ROUGH VACUUM PUMPS

Chemical Duty—Diaphragm
Welch Single Stage Vacuum Pumps
MODEL CFM TORR MOTOR DESCRIPTION HP PRICE
2085B 6.2 100 115V, 60Hz, 1PH 3/4 $2322.00

Welch Two Stage Vacuum Pumps
MODEL CFM TORR MOTOR DESCRIPTION HP PRICE
2090B 3.1 251 115V, 60Hz, 1PH 3/4 $2322.00
Note: Model 2085 and 2090 employ a Teflon coated head,
stainless steel valves and a Teflon liner over diaphragm.

Welch Dry Rotary Van Rough Vacuum Pumps & Systems
8140B-01 Pump, 4.6 CFM, Dry Rotary $735.00
8140B-30 Pump, 4.6 CFM, Tank Mounted Simplex 1472.00
8170B-01 Pump, 10 CFM, Dry Rotary 972.00
8170B-30 Pump, 10 CFM, Tank Mounted Simplex 1786.00
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