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Items	VLR 100 Claw Vacuum Pump Add To Cart Request Quote	VLR 251 Claw Vacuum Pump Add To Cart Request Quote	VLR 301 Claw Vacuum Pump Add To Cart Request Quote	VLR 401 Claw Vacuum Pump Add To Cart Request Quote	VLR 501 Claw Vacuum Pump Add To Cart Request Quote
Description	N/A Heavy duty dry running vacuum pumps designed for continuous operation. All models utilize a dual shaft design with oversized double bearing support and our advanced multi-claw rotor design. Standard equipment includes vacuum regulator (fixed vacuum relief valves on the models. Inlet filter (VLR-60/251), inlet screen (VLR-100/150/301/401/501/1000), sound attenuating enclosure cover and exhaust silencer. The VLR-301/401/501 have an inlet check valve as standard. Explosion Proof motors available.
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 National Pipe Thread (NPT)
Capacity at 50 Hz	N/A 58.9 ft³/min	N/A 138 ft³/min	N/A 177 ft³/min	N/A 227 ft³/min	N/A 294 ft³/min
Capacity at 60 Hz	N/A 71 ft³/min	N/A 150 ft³/min	N/A 203 ft³/min	N/A 285 ft³/min	N/A 353 ft³/min
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.