1 General information
Operating manual mzr-11557 Ex
Last update: March 2019
Technical data subject to change without prior notice!
3
1.3
Technical data of the micro annular gear pump mzr-11557 Ex
mzr-11557 Ex
Unit
[UOM]
Explosion-protection
Ex-certification
CE
II 2G c IIB T3
Temperature class
T3
Installation place
Ex-area zone 1, 2
Protection categories
c, d (Ex-motor)
Measurements
Displacement volume
192
µl
Leervolumen
18,2
ml
Internal volume
17,8
ml
Pump head diameter
0,4
ml
Coupling
Magnetic coupling
Pump case material
alloy C22 (2.4602),
optional: stainless steel 316L
Rotor material
partially stabilized ZrO
2
, optional: tungsten
carbide Ni-based
Shaft
sintered silicon carbide
Wetted functional parts
Al
2
O
3
Bearing material
Al
2
O
3
Static sealing
FFKM (Kalrez
®
Spectrum™ 6375),
optional: FKM, EPDM
Fluid connection
3/8" NPT internal thread, lateral
Weight
approx. 25
kg
Length (without fluid
connector)
345
mm
Width
146
mm
Height
224
mm
Specification
Flow rate (at 0 bar)
58 – 1152, (29 - 576 *)
ml/min
Smallest dosage volume
100
µl
Max. system pressure
Standard Version
60 bar (840 psi) (inlet pdifferential
pressure)
bar
Max. system pressure
+p Version
200 bar (2900 psi) (inlet
pdifferential pressure)
Differential pressure range 0 – 20 bar (290 psi) with 1 mPas
0 – 40 bar (580 psi) with 16 mPas
bar
Speed range
300 – 6000
rpm
Viscosity range of
pumpable liquids
0.3 – 1000
mPas
Precision
< 1 % Coefficient of Variation CV
Pulsation
6
%
Liquid temperature
-5 … +40 °C (-20 … +100 °C *)
°C
Ambient temperature
-20 … +40 °C (-55 … +60 °C *)
°C
Storage temperature
-5 … +40
°C
*) Differing specifications on request
Table 1
Technical data micro annular gear pumps mzr-11557 Ex