| Shipping | Tax | Terms Shopping Cart 0 Items Request for Quote 0 Items All Categories > Vacuum Pumps, Blowers & Parts > Vacuum Pumps > Elmo Rietschle > VLR Vacuum Pumps > Item # VLR 251 Download PDF Download PDF Printable Page Email This Page Save To Favorites Please wait… Item # VLR 251, Claw Vacuum Pump Web Price QUOTE larger image larger image Financing · Specifications · Note Financing Approve Payments Finance with Approve Payments Specifications Dimension a at 50 Hz 31.73 in Dimension a at 60 Hz 35.43 in Dimension a1 at 50 Hz 19.13 in Dimension a1 at 60 Hz 19.92 in Dimension b 28.43 in Dimension c 20.67 in Dimension d 3.94 in Dimension e 28.35 in Dimension f 11.42 in Dimension G 19.41 in Dimension H 9.45 in Dimension l 9.25 in Dimension m 13.39 in Dimension r 4.37 in Dimension u 1.57 in Diameter w at 50 Hz 8.66 in Diameter w at 60 Hz 9.57 in Dimension z1 39.37 in Dimension z2 3.15 in Dimension z3 10.63 in Dimension R 2 in Thread Type NPT Capacity at 50 Hz 138 cfm Capacity at 60 Hz 150 cfm Maximum Ultimate Vacuum Gauge Pressure 38 Torr28.44 inHg Ultimate Vacuum Gauge Continuous Operation 150 Torr24.0 inHg Motor Voltage at 50 Hz 230 V400 V Motor Voltage at 60 Hz 208 to 230 V460 V Motor Tolerance ±10 % Motor Rating at 50 Hz 4.0 kW Motor Rating at 60 Hz 7.5 hp Full Load Amperage at 50 Hz 8.3 A14.4 A Full Load Amperage at 60 Hz 9.4 A18.8 to 21 A Speed at 50 Hz 2850 rpm Speed at 60 Hz 3450 rpm Average Noise Level at 50 Hz 78 dBA Average Noise Level at 60 Hz 82 dBA Weight at 50 Hz 386 lb Weight at 60 Hz 430 lb Gear Oil Capacity 0.9 L Non Return Valve (ZRK) 50 (03) Suction Filter (ZAF) 50 (53) Brands Zephyr Note Relates to pump inlet conditionsCurves and tables refer to vacuum pump at normal operating temperature.Technical information is subject to change without notice.The listed values for a, ø w and full load amperage may vary because of different motor manufacturers. MORE IMAGES · VLR Vacuum Pumps - 3 DOWNLOADS Downloads for VLR Vacuum Pumps (PDF, 578KB) Finance with Approve Payments Maintain Your Air Compressor Learn more about maintaining your air compressor by downloading our eBook on air compressor maintenance. Download eBook