Edwards EH250罗茨泵
EH250 Mechnical Booster Pump
Direct drive roots vacuum booster. CFM 220, Rotational speed 3500 RPM, Ultimate vacuum 7.5 × 10–5 torr, Inlet port ISO63 / exhaust port ISO40, Motor 2 hp 60hz 208/230/460v 3ph standard or optional 50hz, Hydrocarbon Oil capacity 1.6 quarts, Weight net 134
EH500罗茨泵
EH500 Mechnical Booster Pump
Direct drive roots vacuum booster. CFM 355, Rotational speed 3500 RPM, Ultimate vacuum 7.5 × 10–5 torr, Inlet port ISO100 / exhaust port ISO63, Motor 2 hp 60hz 208/230/460v 3ph standard or optional 50hz, Hydrocarbon Oil capacity 1.6 quarts, Weight net 163 lbs.