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*Note: Standard-duty dry pumps are not recommended for pumping organic, acidic, or basic vapors.
Welch WOB-L pumps are oil-free for reduced maintenance. These WOB-L piston pumps have a high water vapor tolerance. 2522, 2534, 2546, and 2511 WOB-L pumps deliver both vacuum and pressure.
*Note: Standard-duty dry pumps are not recommended for pumping organic, acidic, or basic vapors.
Welch WOB-L pumps are oil-free for reduced maintenance. These WOB-L piston pumps have a high water vapor tolerance. 2522, 2534, 2546, and 2511 WOB-L pumps deliver both vacuum and pressure.
