Simple mechanical air pump for evacuating small recipients, e.g. that of the vacuum experiment chamber (378 88) in the low-vacuum range. With integrated ventilation valve and pointer-type manometer. Complete with plastic tubing, l = 60 cm, dia. = 6.5 mm.
Technical Data; • Pumping capacity: 36 ml/stroke • Ultimate pressure: 120 mbar • Excess pressure: +270 mbar • Pump-down time (till ultimate pressure) for 4-l container: 3 to 5 min. • Connections (vacuum and pressure side):hose nipple, 7 mm dia., on each side • Dimensions: 27 cm x 16 cm x 4 cm • Weight: approx. 0.2 kg
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