▼ Direction of rotation as viewed on drive shaft

The dimensional drawings in the chapter “Dimensions”

show pumps for clockwise rotation. For counterclockwise

rotation, the location of the drive shaft/suction and pres-

sure port is diﬀerent.

Clockwise rotation

▼ External gear pump layout

Radial sealing

Axial seal

External pressure ﬁeld

Internal pressure ﬁeld

Sealing zone

Compensation forces

Front cover

Rear cover

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We mainly operating series as the following series：