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| GMA28 Vacuum Pumps Lightweight portable model has two series-connected eccentric rotors revolving in oil with spring activated vanes. A built-in trap contains oil when unit is stopped, preventing back-up of oil and retaining foreign materials. Exhaust dome and baffle condense oil spray.
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| | | Standards |  | ASTM D2041, D2172; AASHTO T164, T209 & T283
|  | Power Requirements |  | 115V, 60Hz,1/4 Hp, 0.19 kW
|  | Ultimate vacuum (residual pressure) |  | 0.3 milliliter
|  | Free Air Capacity |  | 0.35 CFM
|  | Free Air Capacity |  | 10 1/min
|  | Intake Nipple O.D, |  | 3/8 Inch
|  | Intake Nipple O.D, |  | 9.5 mm
|  | Inside Dimensions |  | 18 1/2x10x10 3/4 Inch
|  | Approx. Shipping Weight |  | 44 lb
|  | Note |  | 1 milliter 1µm Hg; 1atmosphere=29.92 inch Hg
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