Ex-versions mzr-7209X2 Ex


Ex-pump for application in chemical and process technology The micro annular gear pump mzr-7209X2 Ex cover the flow range 0.048 - 192 ml/min. The highly precise, low pulsation small volume dosage even of non-lubricating liquids or at high pressure, the compact design of the Ex-pumps, the broad viscosity range and the small dimensions are unique features of this pump series. The pumps are applied in the field of chemical and process technology and are suitable for both continuous delivery and discrete dosage of watery solutions, solvents, oil and other viscous liquids. Accessories extending the operating parameters of the device are available. Advantages Ex-certification ATEX conform with EU Directive 2014/34/EU Precision motor and sophisticated control ATEX DC-servomotor with integrated microcontroller High dosage precision precision CV < 1 % at low volumes Compact dimensions length < 368 mm, including Ex-motor Broad viscosity range methanol, solvents, adhesives, grease, gel Low...


Flow rate 0.048 - 192 ml/min
Smallest dosage volume 30µl
Displacement volume 48µl
Differential pressure range 0 – 30 bar (435 psi)
Maximum inlet pressure 5 bar (73 psi), (10 bar (145 psi) *)
Ambient temperature range 0 ... +40 (+32 ... +104 °F)°C
Liquid temperature range -5 ... +40 °C (+23 ... +104 °F), -20 ... +150 °C * (-290 ... +2175 °F *)
Viscosity range 0.3 - 5,000 mPas
Precision CV < 1% (Coefficient of variation CV)
Ex-certification CE Ex II 2G c IIC T4 X
Place of installation Ex-area zone 1, 2
Wetted parts graphite-reinforced PTFE, 316L; static seals: FPM, optional: EPDM, FFPM
Motor BLDC motor with integrated motion controller, 24 V DC, 2 A, 53 W, analog hall sensors (3000 pulses /
Velocity range 1 - 4,000 rpm
Cable length 10m
Weight approx. 3,200 g
Remarks * with optional fluidic seal module, double shell heating module heat insulation module; Customized

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