Unit of Measure


Dimension a at 50 Hz

N/A 35.08 in

Dimension a at 60 Hz

N/A 35.43 in

Dimension a1 at 50 Hz

N/A 19.13 in

Dimension a1 at 60 Hz

N/A 19.92 in

Dimension b

N/A 28.43 in

Dimension c

N/A 20.67 in

Dimension d

N/A 3.39 in

Dimension e

N/A 28.35 in

Dimension f

N/A 11.42 in

Dimension G

N/A 19.41 in

Dimension H

N/A 9.45 in

Dimension l

N/A 9.25 in

Dimension m

N/A 13.39 in

Dimension r

N/A 4.37 in

Dimension u

N/A 1.57 in

Diameter w at 50 Hz

N/A 9.68 in

Diameter w at 60 Hz

N/A 9.57 in

Dimension z1

N/A 39.37 in

Dimension z2

N/A 3.15 in

Dimension z3

N/A 10.63 in

Dimension R

N/A 2 in

Thread Type


Capacity at 50 Hz

N/A 177 cfm

Capacity at 60 Hz

N/A 203 cfm

Maximum Ultimate Vacuum Gauge Pressure

N/A 38 Torr28.44 inHg

Ultimate Vacuum Gauge Continuous Operation

N/A 150 Torr24.0 inHg

Motor Voltage at 50 Hz

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 5.5 kW

Motor Rating at 60 Hz

N/A 7.5 hp

Full Load Amperage at 50 Hz

N/A 6.4 A11.0 A

Full Load Amperage at 60 Hz

N/A 9.4 A18.8 to 21 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 79 dBA

Average Noise Level at 60 Hz

N/A 83 dBA

Weight at 50 Hz

N/A 496 lb

Weight at 60 Hz

N/A 496 lb

Gear Oil Capacity

N/A 0.9 L

Non Return Valve (ZRK)

N/A 50 (03)

Suction Filter (ZAF)

N/A 50 (53)


N/A Zephyr


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.