4 Description
Operating manual mzr-7240
Last update: March 2019
Technical data subject to change without prior notice!
11
coupling unit
drive
angle support /
bearing bracket
micro annular gear pump head
liquid inlet /
suction side (S)
liquid outlet /
delivery side (D)
power
supply cable
figure 5
Construction of the micro annular gear pump mzr-7245-ha-v M5 +A
4.3
Materials and media
Wetted parts
mzr-7240 pump head
Pump housing
Rotors, shaft, bearing
Shaft sealing
graphite-reinforced PTFE,
316L spring
Static sealing
table 3
Construction materials of the wetted parts
Designation
Material
Rotors, shaft, bearing
Material
Pump housing
-hs
tungsten carbide Ni-based
stainless steel 316 L (1.4404,
1.4435)
-ha
tungsten carbide Ni-based
Aluminum
table 4
Construction materials
Designation
Material static sealing
-v
FPM (fluorelastomer)
-f
FFPM (perfluoroelastomer)
-e
EPDM
table 5
Construction materials