The W2V40 rotary vane vacuum pump features a rugged, two-stage, air-cooled design and is capable of pumping speeds of 14 cfm and producing an ultimate vacuum of 10-3 Torr. Lightweight, quiet, and compact, the W2V40 has an anti-suckback and gas ballast valve, quick disconnect ISO/KF fittings, and is ideal for a variety of applications. Benefits Well ventilated, cool running pumps minimize oil backstreaming and thermal degradation Positive oil feed system enables optimal pump lubrication Rugged, well-known design makes pump easy to maintain Low operating costsSpecifications Pumping Speed @ 60 Hz: 400 l/m, 14 cfm, 24 m3/hr Pumping Speed @ 50 Hz: 333 l/m, 11.6 cfm, 20 m3/hr Ultimate Pressure (Gas Ballast Open): 5 x 10-2 Torr Ultimate Pressure (Gas Ballast Closed): 1 x 10-3 Torr Standard Motor, CE Marked: 115V, 1 HP, 60 Hz, On/Off Switch Power Connection: Junction Box Motor Speed @ 60 Hz: 1700 rpm Oil Capacity: 1500 cc (1.5 quart) Weight Net: 70 lbs, shipping 75 lbs Intake/Exhaust Type/Diameter: NW 25 (26 mm) O.D. tube Ambient Operating Temperature: 7° to 40° C (45° to 104° F) Overall Dimensions: 19.3" x 6.69" x 11.54" (LxWxH)