4 Description
Operating manual mzr-11507
12
Technical data subject to change without prior notice!
Last update: August 2016
4.2
Construction
The micro annular gear pump consist of the pump head, coupling assembly,
motor and bracket (see figure 4).
terminal box
Liquid
outlet (D)
Liquid
inlet (S)
motor
bracket
coupling assembly
pump head
figure 4
Design of the micro annular gear pump
4.3
Materials and media
Components
Case
stainless steel 1.4404, 1.4435 (316L)
Rotor, shaft, bearing
tungsten carbide Ni-based
Shaft seal
graphite reinforced PTFE, Hastelloy
Static seals
FPM, optional: EPDM, FFPM
table 4
Materials of the components
The resistance of the construction materials to the delivered liquids should be
verified by the operator for each individual application. Pumps handling non-
lubricating liquids have shorter service lives.