Vacuum Pump :: Dry Screw And Dry Piston Pumps

Welch 2511 WOB-L Piston Pressure Pump Compressor, 21.3 in Hg, 219 Torr Vacuum, 11 LPM, 0.39 CFM, 115 VAC 2511B-01

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The Welch 2511 is a vacuum and pressure pump all-in-one and is perfect for many common laboratory vacuum applications. The 2511 produces an ultimate vacuum pressure of 219 Torr (21.3 inches of Hg), maximum positive pressure up to 33 PSIG, and has a 11 liters per minute (0.39 CFM) pumping speed....

$571²⁰

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Welch 2522 WOB-L Piston Pressure And Vacuum Pump, 100 PSI, 110 Torr Vacuum, 22 LPM, 115 VAC

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The Welch 2522 is a vacuum and pressure pump all-in-one and are perfect for many common laboratory vacuum applications. The 2522 produces an ultimate vacuum pressure of 110 Torr (25.6 inches of Hg), maximum positive pressure up to 100 PSI, has a 22 liters per minute (0.76 CFM) pumping speed, and...

$946²⁵

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Welch 2534 WOB-L Piston Pressure And Vacuum Pump, 50 PSI, 95 Torr Vacuum, 34 LPM, 115 VAC

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The Welch 2534 is a vacuum and pressure pump all-in-one is are perfect for many common laboratory vacuum applications. The 2534 produces an ultimate vacuum pressure of 95 Torr (26.2 inches of Hg), maximum positive pressure up to 50 PSI, has a 34 liters per minute (1.20 CFM) pumping speed, and...

$1,043¹⁰

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Welch 2546 WOB-L Piston Pressure And Vacuum Pump, 100 PSI, 60 Torr Vacuum, 45 LPM, 115 VAC

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The Welch 2546 is a vacuum and pressure pump all-in-one and is perfect for many common laboratory vacuum applications. The 2546 produces an ultimate vacuum pressure of 60 Torr (27.6 inches of Hg), maximum positive pressure up to 50 PSI, has a 45 liters per minute (1.6CFM) pumping speed, and...

$1,161⁴⁴

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Welch 2561B-50 WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 65 LPM, 5 torr, 115 VAC

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These Welch 2561B-50 laboratory duty dry oil-free dual stage piston vacuum pumps are perfect for many common laboratory vacuum applications. The 2516-50 produces and ultimate vacuum pressure of 5 Torr (29.8 inches of Hg) and includes a vacuum regulator with a built in vacuum gauge which is...

$2,205⁰⁰

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Welch 2562B-01 WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 65 LPM, 7.5 torr, 115 VAC

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These Welch 2562B-01 laboratory duty dry oil-free piston vacuum pumps are perfect for many common laboratory vacuum applications. The 2562B-01 produces and ultimate vacuum pressure of 7.5 Torr (29.6 inches of Hg) but do NOT include a vacuum regulator, pressure gauge, or water vapor trap. These...

$1,646¹⁰

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Welch 2581B-50 WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 3.5 CFM/100 LPM, 5 torr, 115 VAC

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These Welch 2581B-50 laboratory duty dry oil-free dual stage diaphragm vacuum pumps are perfect for many common laboratory vacuum applications. The 2581B-50 produces and ultimate vacuum pressure of 5 Torr 29.8 inches of Hg and includes a vacuum regulator with a built in vacuum gauge which is...

$3,020⁰⁰

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Welch 2585B WOB-L Laboratory Dry Oil-Free Piston Vacuum Pump, 201 LPM, 60 torr, 115 VAC

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These Welch 2585B-50 laboratory duty dry oil-free dual stage diaphragm vacuum pumps are perfect for many common laboratory vacuum applications. The 2585B-50 produces and ultimate vacuum pressure of 60 Torr 27.6 inches of Hg and includes a vacuum regulator with a built in vacuum gauge which is...

$2,485⁰⁰

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Welch Dry Screw Pumps