Compressed Air Systems, Inc.
Compressed Air Systems, Inc.
9303 Stannum StreetTampa, FL 33619-2658
Toll: 855.464.8525
Ph: 813.626.8177
Fx: 813.628.0187
Email: [email protected]
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VLR Vacuum Pumps
VLR Vacuum Pumps - 2
Unit of Measure
Items VLR Vacuum Pumps
VLR 100
Claw Vacuum Pump 		VLR Vacuum Pumps
VLR 251
Claw Vacuum Pump 		VLR Vacuum Pumps
VLR 301
Claw Vacuum Pump 		VLR Vacuum Pumps
VLR 401
Claw Vacuum Pump 		VLR Vacuum Pumps
VLR 501
Claw Vacuum Pump
Dimension a at 50 Hz N/A 26.02 in N/A 31.73 in N/A 35.08 in N/A 41.69 in N/A 47.28 in
Dimension a at 60 Hz N/A 29.28 in N/A 35.43 in N/A 35.43 in N/A 42.05 in N/A 43.89 in
Dimension a1 at 50 Hz N/A 15.43 in N/A 19.13 in N/A 19.13 in N/A 23.62 in N/A 26.93 in
Dimension a1 at 60 Hz N/A 17.60 in N/A 19.92 in N/A 19.92 in N/A 26.54 in N/A 27.32 in
Dimension b N/A 21.26 in N/A 28.43 in N/A 28.43 in N/A 29.29 in N/A 30.08 in
Dimension c N/A 14.17 in N/A 20.67 in N/A 20.67 in N/A 20.67 in N/A 20.67 in
Dimension d N/A 3.62 in N/A 3.94 in N/A 3.39 in N/A 7.76 in N/A 7.76 in
Dimension e N/A 17.32 in N/A 28.35 in N/A 28.35 in N/A 32.28 in N/A 32.28 in
Dimension f N/A 8.66 in N/A 11.42 in N/A 11.42 in N/A 11.42 in N/A 11.42 in
Dimension G N/A 14.53 in N/A 19.41 in N/A 19.41 in N/A 20.94 in N/A 20.94 in
Dimension H N/A 5.91 in N/A 9.45 in N/A 9.45 in N/A 9.45 in N/A 9.45 in
Dimension l N/A 7.17 in N/A 9.25 in N/A 9.25 in N/A 9.65 in N/A 9.65 in
Dimension m N/A 10.24 in N/A 13.39 in N/A 13.39 in N/A 13.39 in N/A 13.39 in
Dimension r N/A 3.03 in N/A 4.37 in N/A 4.37 in N/A 7.05 in N/A 7.05 in
Dimension u N/A 0.59 in N/A 1.57 in N/A 1.57 in N/A 1.57 in N/A 1.57 in
Diameter w at 50 Hz N/A 6.93 in N/A 8.66 in N/A 9.68 in N/A 9.68 in N/A 12.28 in
Diameter w at 60 Hz N/A 6.62 in N/A 9.57 in N/A 9.57 in N/A 9.57 in N/A 11.47 in
Dimension z1 N/A 25.59 in N/A 39.37 in N/A 39.37 in N/A 39.37 in N/A 47.24 in
Dimension z2 N/A 3.94 in N/A 3.15 in N/A 3.15 in N/A 3.15 in N/A 7.87 in
Dimension z3 N/A 7.68 in N/A 10.63 in N/A 10.63 in N/A 10.63 in N/A 11.42 in
Dimension R N/A 1 1/2 in N/A 2 in N/A 2 in N/A 3 in N/A 3 in
Thread Type N/A NPT
Capacity at 50 Hz N/A 58.9 cfm N/A 138 cfm N/A 177 cfm N/A 227 cfm N/A 294 cfm
Capacity at 60 Hz N/A 71 cfm N/A 150 cfm N/A 203 cfm N/A 285 cfm N/A 353 cfm
Maximum Ultimate Vacuum Gauge Pressure N/A 38 Torr28.44 inHg
Ultimate Vacuum Gauge Continuous Operation N/A 113 Torr25.5 inHg N/A 150 Torr24.0 inHg N/A 150 Torr24.0 inHg N/A 188 Torr22.5 inHg N/A 188 Torr22.5 inHg
Motor Voltage at 50 Hz N/A 230 V400 V N/A 230 V400 V N/A 400 V690 V N/A 400 V690 V N/A 400 V690 V
Motor Voltage at 60 Hz N/A 208 to 230 V460 V
Motor Tolerance N/A ±10 %
Motor Rating at 50 Hz N/A 2.2 kW N/A 4.0 kW N/A 5.5 kW N/A 7.5 kW N/A 9 kW
Motor Rating at 60 Hz N/A 3 hp N/A 7.5 hp N/A 7.5 hp N/A 10 hp N/A 15 hp
Full Load Amperage at 50 Hz N/A 5.0 A8.7 A N/A 8.3 A14.4 A N/A 6.4 A11.0 A N/A 8.7 A15.0 A N/A 11.0 A19.0 A
Full Load Amperage at 60 Hz N/A 3.8 A7.6 to 8.1 A N/A 9.4 A18.8 to 21 A N/A 9.4 A18.8 to 21 A N/A 12 A24 to 25 A N/A 18.5 A37 to 39 A
Speed at 50 Hz N/A 2850 rpm
Speed at 60 Hz N/A 3450 rpm
Average Noise Level at 50 Hz N/A 78 dBA N/A 78 dBA N/A 79 dBA N/A 82 dBA N/A 82 dBA
Average Noise Level at 60 Hz N/A 82 dBA N/A 82 dBA N/A 83 dBA N/A 84 dBA N/A 84 dBA
Weight at 50 Hz N/A 220 lb N/A 386 lb N/A 496 lb N/A 551 lb N/A 606 lb
Weight at 60 Hz N/A 237 lb N/A 430 lb N/A 496 lb N/A 565 lb N/A 639 lb
Gear Oil Capacity N/A 0.5 L N/A 0.9 L N/A 0.9 L N/A 0.9 L N/A 0.9 L
Non Return Valve (ZRK) N/A 40 (03) N/A 50 (03) N/A 50 (03) N/A 80 (03) N/A 80 (03)
Suction Filter (ZAF) N/A 40 (53) N/A 50 (53) N/A 50 (53) N/A 80 (53) N/A 80 (53)
Brands N/A Zephyr
Note N/A Relates to pump inlet conditions

Curves 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.