Hand vacuum pump

Simple mechanical air pump for evacuating small recipients, e.g. that of the vacuum experiment chamber (<A href="a.asp?a=37888">378 88</A>) in the low-vacuum range. With integrated ventilation valve and pointer-type manometer. Complete with plastic tubing

Despite their seemingly simple design, Mityvac hand pumps offer a long list of unique features, many of them patent protected, which continue to make them superior to all other hand pumps on the market. Mityvac Selectline hand vacuum/pressure pumps feature a body molded of tough, durable PVC. The Mityvac Selectline MV8255 hand vacuum pump is available with a gauge. Having a gauge is an added benefit on most applications, even brake bleeding, and a requirement on others.

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This hand pump features a pressure gauge that displays pressure in centimeters and inches of mercury (Hg) where 1 cm of Hg = 10 torr. Pump displaces 725 mL of air and has a handy pressure-release valve. Includes about 20 (~50 cm) of 9-mm OD x 6-mm ID vacuum tubing for ease of use.