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HNP Mikrosysteme mzr-7240 Operating Manual

For micro annular gear pump
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Operating manual for micro annular gear pump
mzr-7240
HNP Mikrosysteme GmbH
Bleicherufer 25
D-19053 Schwerin (Germany)
Telephone: +49 385/52190-301
Telefax:
E-mail: info@hnp-mikrosysteme.de
http://www.hnp-mikrosysteme.de
Last update: March 2019
+49 385/52190-333

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  • Page 1 Operating manual for micro annular gear pump mzr-7240 HNP Mikrosysteme GmbH Bleicherufer 25 D-19053 Schwerin (Germany) Telephone: +49 385/52190-301 Telefax: +49 385/52190-333 E-mail: info@hnp-mikrosysteme.de http://www.hnp-mikrosysteme.de Last update: March 2019...
  • Page 2 Without prior explicit written permission of HNP Mikrosysteme GmbH no part of this manual may be, copied, reproduced or processed. This manual has been prepared with care. HNP Mikrosysteme does assume no liability for any errors in this manual and resulting consequences. Likewise, no liability is assumed direct or subsequent damages arising from an incorrect use of the devices.

  • Page 3: Table Of Contents

    Contents Operating manual for micro annular gear pumps mzr-7240 Contents General Information Pump Model Designation Technical data of the micro annular gear pump mzr- 7240 Measurements and flow charts Safety instructions Safety symbols in this operating manual Staff qualification and training...
  • Page 4 Contents Operating manual for micro annular gear pumps mzr-7240 6.5.3 Connection of the micro annular gear pump with terminal box S-G05 with screw clamp terminal System integration Check before the first assembly Mounting of the micro annular gear pump General instructions for the assembly of the liquid...
  • Page 5 Contents Operating manual for micro annular gear pumps mzr-7240 19.2 Declaration of liquids in contact with the micro annular gear pump 19.3 Shipment Declaration of media in contact with the micro annular gear pump and its components Supplement Last update: March 2019...

  • Page 7: General Information

    In case assistance is needed, please indicate the pump type visible on the housing. The micro annular gear pump mzr-7240 described in this manual are suitable for continuous delivery and discrete dosage of water, watery solutions, solvents, methanol, oils, lubricating liquids, paints and varnishes as well as many other liquids.

  • Page 8: Pump Model Designation

    Pump Model Designation This manual is valid for the micro annular gear pumps mzr-7241, mzr-7242, mzr-7243 and mzr-7245 manufactured by HNP Mikrosysteme GmbH, Bleicherufer 25, D-19053 Schwerin, Germany. The bottom line of this manual shows issue and date of issue of the manual.

  • Page 9: Technical Data Of The Micro Annular Gear Pump Mzr-7240

    Coefficient of Variation * depending on the motor / axial bearing table 1 Technical data of the micro annular gear pump heads mzr-7240 The material properties of a liquid (e.g. viscosity, lubricating property, particle Warning content, corrosiveness) impacts the technical data and the lifetime of pumps.

  • Page 10: Measurements And Flow Charts

    1 General Information Operating manual mzr-7240 Measurements and flow charts figure 1 Measures of the micro annular gear pump mzr-7245 (picture with a programmable servomotor) Liquid water Liquid methanol Liquid water Liquid methanol Viscosity 1 mPas Viscosity 0,58 mPas Speed [rpm]...

  • Page 11: Safety Instructions

    2 Safety instructions Operating manual mzr-7240 Safety instructions Comply with the general safety instructions listed in the safety section as well as with the special safety instructions listed under the other main sections. All legal and corporate safety instructions have to be obeyed.

  • Page 12: Safety-Conscious Work

    Please provide for adequate air ventilation and thus cooling of the motor. The micro annular gear pumps mzr-7240 must not be used in areas exposed to explosion risks or in the proximity of inflammable gases and vapors.

  • Page 13: Unauthorized Pump Conversions And Spare Part Manufacture

    Operating manual mzr-7240 Should a malfunction of the pump occur, do not dismantle the pump on your Warning own but contact one of HNP Mikrosysteme's service staff for professional assistance. Unauthorized pump conversions and spare part manufacture Conversions or modification to the device are only permitted with prior consent of the manufacturer.

  • Page 14: Transport And Intermediate Storage

    In order to avoid any damage related to transport, the package must be protected against shocks. HNP Mikrosysteme guarantees, that all goods leave the factory in the best condition. Any noticed damage should be reported to the concerned forwarding agent, authorized dealer or to HNP Mikrosysteme, as manufacturer. Intermediate storage Following points concerning pump storage should be observed: −...

  • Page 15: Description

    4 Description Operating manual mzr-7240 Description Principe of the micro annular gear pumps Micro annular gear pumps are reciprocating and rotary pumps and are provided with external toothed internal rotor and annular toothed external rotor which are slightly eccentric bearing to each other (see figure 3). Both rotors with their cycloid indenting are at any time interlocked and form a system of several sealed pumping chamber during rotation.

  • Page 16: Construction

    4 Description Operating manual mzr-7240 Example: The pump mzr-7240 feeds with its displacement volume of 48 µl with 3000 RPM and a volumetric efficiency of 100 % referring to the above- mentioned formula the flow rate of 144 ml/min. The following table shows the η...

  • Page 17: Materials And Media

    4 Description Operating manual mzr-7240 liquid inlet / power suction side (S) supply cable drive liquid outlet / delivery side (D) coupling unit micro annular gear pump head angle support / bearing bracket figure 5 Construction of the micro annular gear pump mzr-7245-ha-v M5 +A...

  • Page 18: Fluidic Connectors Of Mzr-7240

    Operating manual mzr-7240 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. Fluidic connectors of mzr-7240 Fluidic connectors Construction mzr-7241 Construction mzr-7245 lateral 1/8"...

  • Page 19: Modular System

    5 Modular system Operating manual mzr-7240 Modular system The spectrum of applications of the modular modular series may be expanded by using different additional modules. The modules allow for special applications, which could otherwise not be accomplished with a standard pump version.

  • Page 20: Fluidic Seal Module

    5 Modular system Operating manual mzr-7240 Fluidic seal module The module can be employed for liquids which tend to crystallize, when air contact is given. The module prevents reactions by covering the outcoming shaft by a fluidic ambience. cartridge Fluidic seal module...
  • Page 21 5 Modular system Operating manual mzr-7240 cartridge can be used as a reservoir and is sufficient at maximum flow for one month in most cases. fluidic gas tight module inlet seal liquid pump shaft shaft seal seal module fluidic chamber...

  • Page 22: Axial Bearing Module

    5 Modular system Operating manual mzr-7240 Axial bearing module The axial bearing module enables the pump liquids with increased pressure. Gear box module The gear box module enables to increase the torque of the drive in order to deliver high viscosity liquids or to handle liquids at high differential pressure.

  • Page 23: Optional Motor Versions

    6 Optional motor versions Operating manual mzr-7240 Optional motor versions The spectrum of applications of the modular pump series may be expanded by using different motors. The motors allow for special applications, which could otherwise not be accomplished with one pump motor version.

  • Page 24: Brushless Dc-Motor As Mzr-7241

    6 Optional motor versions Operating manual mzr-7240 Brushless DC-motor as mzr-7241 The micro annular gear pump mzr 7241 can be powered alternatively with a brushless DC-motor. This has a smaller design and a wide speed range, which include the entire speed range of micro annular gear pump covers and has an increased life span compared to a DC-motor with brushes.

  • Page 25: 6.1.1 Operation With The S-Kb-4 Control Unit

    HNP Mikrosysteme. The S-KB-4 motor control unit based on a high capacity microcontroller, which may be precisely adjusted also at low motor speeds.
  • Page 26 6 Optional motor versions Operating manual mzr-7240 Technical data General technical data Type of control unit 2-Q servo amplifier Power supply for electronic 24 (5 - 28) V DC Power supply for motor 24 (10 - 28) V DC ≤ 3 % Residual ripple Max.
  • Page 27 6 Optional motor versions Operating manual mzr-7240 figure 14 Motor connection of control unit S-KB-4 Controller Pin Connection motor wire colour Mot C black Mot B Mot A yellow Controller Pin Connection sensor wire colour SGND black +5 V Sens C...
  • Page 28 Operating manual mzr-7240 Before starting up, check the parameters configured in the controller and if necessary adjust to the connected motor. From HNP Mikrosysteme supplied are configured and labelled with programmed pump Technical data subject to change without prior notice!

  • Page 29: Brushed Dc-Motor Without Encoder As Mzr-7242

    6 Optional motor versions Operating manual mzr-7240 Brushed DC-motor without encoder as mzr-7242 The micro annular gear pump mzr 7242 can be powered alternatively with a brushed DC-motor. This has a smaller design and a wide speed range, which include the entire speed range of micro annular gear pump covers and has an increased life span compared to a DC-motor with brushes.

  • Page 30: Stepper Motor Without Encoder As Mzr-7243

    6 Optional motor versions Operating manual mzr-7240 Stepper motor without encoder as mzr-7243 The micro annular gear pump mzr-7240 may alternatively be a stepper motor drives. This has next to the smaller size for a limited speed range. Stepper motor...

  • Page 31: Stepper Motor With Encoder As Mzr-7243

    6 Optional motor versions Operating manual mzr-7240 Stepper motor with encoder as mzr-7243 The micro annular gear pump mzr 7240 may alternatively be a stepper motor drives. This has next to the smaller size an extended speed range. Stepper motor...

  • Page 32: Brushless Dc-Motor With Integrated Controller

    6 Optional motor versions Operating manual mzr-7240 Brushless DC-motor with integrated controller The micro annular gear pump mzr-7245 is driven by electronically commutated, brushless motors with integrated control. The control unit is composed of a 16-bit microcontroller and power electronics. It enables to adjust both speed and position of the motor.
  • Page 33 6 Optional motor versions Operating manual mzr-7240 Wire Description blue pink +24 V brown Analog input white Fault output gray Analog GND yellow RS-232 RXD green RS-232 TXD Digital input table 18 Pin configuration of the motor Motor current parameters...

  • Page 34: 6.5.2 Connection Of The Micro Annular Gear Pump To The Power Supply

    6 Optional motor versions Operating manual mzr-7240 6.5.2 Connection of the micro annular gear pump to the power supply In order to operate the pump a supplementary source of 24 VDC will be required. The ampacity of the voltage source should amount to around 5 A for the micro annular pump mzr-7245.
  • Page 35 6 Optional motor versions Operating manual mzr-7240 alternative serial power supply interface 24 V DC of PC RS-232 Power In RS-232 Power In 24 VDC 24 VDC Term inal Box S-G05 Term inal Box S-G05 HNP M ikrosystem e Gm bH...
  • Page 36 6 Optional motor versions Operating manual mzr-7240 Installation of the cable wires − tool: screwdriver blade 2.5 x 0.4 mm − open the spring clamp with the screwdriver through the side slot − cable in cable opening place (cable can be used with or without ferrule) −...
  • Page 37 6 Optional motor versions Operating manual mzr-7240 Remarks: − You may adjust speed of the micro annular gear pump without the need to connect it to the serial interface. − In case error occurs for example due to motor overload - the green status LED on the Terminal Box S-G05 will turn red.
  • Page 38 6 Optional motor versions Operating manual mzr-7240 Make sure that the polarity of the supplied direct current is correct, otherwise electronics will be damaged. The input circuit at the analog input is layed out as a differential amplifier. If the analog input is “open” there is already a voltage of 2 V. That means in this case that the motor would be turning at a speed of about 2000 rpm.
  • Page 39 6 Optional motor versions Operating manual mzr-7240 serial alternative interface power supply of PC 24 V DC RS-232 RS-232 Power In Power In 24 VDC 24 VDC Term inal Box S-G05 Term inal Box S-G05 HNP M ikrosystem e Gm bH...
  • Page 40 6 Optional motor versions Operating manual mzr-7240 6.5.2.4 Startup with external potentiometer 1. Connect the drive with the eight colored wires to the terminal box S-G05. The colors of the corresponding wire connections are described in table 24. 2. Bring the internal potentiometer knob to the null position by turning it clockwise to the limit stop.
  • Page 41 6 Optional motor versions Operating manual mzr-7240 7. The micro annular gear pump may now be put into operation by increasing the external voltage signal. A voltage signal of 0 V corresponds to 0 rpm and 10 V to the maximal programmed.
  • Page 42 6 Optional motor versions Operating manual mzr-7240 6.5.2.6 Startup of the pump units with network mode (NET1 Command) All standard units are delivered with node number 0. In order to prepare the units for network operation, they must first be individually connected to the PC and set to the desired node address using the FAULHABER Motion Manager.
  • Page 43 6 Optional motor versions Operating manual mzr-7240 While connecting the DC voltage pay attention to the correct polarity, otherwise electronics may be damaged. Remarks: − Controller which the manufacturer specifically shipped for the network modus were with the command NET1, SOR0, ANSW0 and DIPROG programmed.

  • Page 44: Connection Of The Micro Annular Gear Pump With Terminal Box S-G05 With Screw Clamp Terminal

    6 Optional motor versions Operating manual mzr-7240 6.5.3 Connection of the micro annular gear pump with terminal box S-G05 with screw clamp terminal In order to operate the pump a supplementary source of 24 VDC will be required. The ampacity of the voltage source should amount to around 5 A for the micro annular pump mzr-7245.
  • Page 45 6 Optional motor versions Operating manual mzr-7240 serial alternative interface power supply of PC 24 V DC Terminal Box S-G05 HNP M ikrosystem e Gm bH Mode 0(4)...20 mA 0...10 V Analog mzr-Pump / Motor Power In Extern Poti Speed...

  • Page 46: System Integration

    − Operating temperature range If you notice any difference between the required and the delivered pump type, please contact HNP Mikrosysteme. Do not put the pump into operation without prior approval. Mounting of the micro annular gear pump The micro annular gear pump is mounted on an angle support with M4 screws.

  • Page 47: Mounting Of The Micro Annular Gear Pump

    7 System integration Operating manual mzr-7240 In order to protect the interior of the pump from pollution, the pump heads are delivered with protective plugs. They should be put on when the pump is at a standstill. For the best performance the suction tube should be as short as possible and have a large internal diameter.
  • Page 48 Please check whether there are swarfs in the screw connections, pollution remaining in reservoirs or soiling in valves, pipe work or filters. The micro annular gear pump mzr-7240 is available in two versions. The liquid supply openings may be lateral or front with a 1/8" NPT thread screw. Pump heads equipped with the heating module are available with front liquid ports only.
  • Page 49 7 System integration Operating manual mzr-7240 Clean the internal and external Make sure the internal and Wrap the PTFE tape around the screw screw threads leaving no residues. external screw threads are not thread clockwise beginning with the dented or deformed.

  • Page 50: Filter Selection And Use

    HNP Mikrosysteme offers a choice of standard filters covering a broad spectrum of applications. You may count on our assistance for the selection of the most suitable one.

  • Page 51: Startup/Shutdown Of A Mzr-Pump

    Depending on the application for example water, or isopropanol may be used. If you have doubts whether a particular liquid is suitable for this function or not, please ask the manufacturer of the liquid or HNP Mikrosysteme. Last update: March 2019...
  • Page 52 8 Startup/shutdown of a mzr-pump Operating manual mzr-7240 Flushing cycle Selection of flushing liquid (FL) Right flushing see table 28 (Selection of the flushing liquid) liquid Is the pump see table 29 (Resistance of the sealing material) resistant? Flush the pump...

  • Page 53: Shutdown Of The Micro Annular Gear Pump

    8 Startup/shutdown of a mzr-pump Operating manual mzr-7240 Nature of the delivered liquid Flushing time [min] Suitable flushing liquid Oils, fats, plastifierss 15-20 isopropanol, ethanol, acetone, benzine/petroleum ether Solvents (polar + nonpolar) 5-10 isopropanol, ethanol Other organic liquids 10-15 isopropanol , ethanol...
  • Page 54 8 Startup/shutdown of a mzr-pump Operating manual mzr-7240 − After the flushing procedure decrease speed of the pump to 0 rpm − Fill the pump with a suitable conservation liquid (see chapter 8.5) − Remove the pump from the system (see chapter 8.5.1) By proceeding as shown in the diagram (see figure 29) you may prepare the pump for a longer standstill.
  • Page 55 8 Startup/shutdown of a mzr-pump Operating manual mzr-7240 End of test/operation Flushing cycle Drain the pump Selection of flushing liquid (FL) Pump Right requires see table 28 flushing flushing? liquid Flushing cycle Is the see table 29 pump Delivery of...

  • Page 56: Conservation

    8 Startup/shutdown of a mzr-pump Operating manual mzr-7240 Conservation If the micro annular gear pump operates at irregular intervals or for other reasons should be put out of operation for a longer period, it should, after service and flushing procedure (see chapter 8.3), be filled in with a suitable conservation liquid.

  • Page 57: 8.5.1 Dismantling Of The System

    8 Startup/shutdown of a mzr-pump Operating manual mzr-7240 Liquids isopropanol solvent for organic compounds, cosmetics, essential oils waxes, and esters, antifreezers, antiseptic agents acetone solvent for a number of organic compounds, unlimited solubility in water, dissolves natural and synthetic resins, fats,...

  • Page 58: Return Of The Micro Annular Gear Pump To The Manufacturer

    − by changing the operating direction of the pump. If these measures turn out to be ineffective, please contact the service staff of HNP Mikrosysteme (see chapter 17) and send the pump back to the manufacturer for inspection. You should under no condition try to disassemble the pump by yourself. This...

  • Page 59: Software "Mzr-Pump Controller

    Windows XP ® The software »mzr-Pump controller« can you start after installation over the start menu under »programs - HNP Mikrosysteme«. You can choose after the start the pump type » -7245«. With the pump mode »Dosage« (see figure 30) you can set constant quantity in the physical units µl (ul), mg or rotations with break.
  • Page 60 9 Software »mzr-Pump controller« Operating manual mzr-7240 With the »fluid density« you can calculate with weight units. note: If you works with volume units you needn’t the »fluid density«. Then you can works with the standard value »1«. Over the »calibration factor« can you adjust the effective value with the nominal value.The formula for calculation of the calibration factor is:...
  • Page 61 9 Software »mzr-Pump controller« Operating manual mzr-7240 figure 31 windows for pump mode continuos flow Last update: March 2019 Technical data subject to change without prior notice!

  • Page 62: Software "Motion Manager" (Option)

    10 Software »Motion Manager« (Option) Operating manual mzr-7240 Software »Motion Manager« (Option) The »Motion Manager« software enables operation and configuration of the drive and offers a possibility of an online graphic analysis of the operating data. The software is delivered on CD. The program may be installed on a PC running under Windows 7 , Windows 8 or Windows 8.1...
  • Page 63 Set command velocity at the RS-232 port LR1000 Load relative position at 1000 (1000 = 1 revolution, equivalent quantity mzr-7240 = 48 µl) Notify when target position is achieved (character “p” will be sent back to the PC) Start positioning...

  • Page 64: Accessories

    We will eagerly share our long date experience as far as component selection is concerned. Non-liability clause HNP Mikrosysteme GmbH shall not be liable any damage resulting form the non-respect of instructions comprised in this operating manual. It belongs to the user to check the integrity, the correct choice and the suitability of the product for the intended use.

  • Page 65: Ec Directive

    13 EU Directive Operating manual mzr-7240 EU Directive A Directive or EC Directive is a legal instrument of the European Community addressing at the member states and forcing them to implement specific regulations or targets. Leastwise, micro annular gear pumps are covered, by the...

  • Page 66: Electromagnetic Compatibility (Emc)

    Operating manual mzr-7240 REACH regulation (EU) No. 1907/2006 HNP Mikrosysteme is not a manufacturer or importer of chemical substances subjected to registration, but in terms of regulation, a downstream user. As downstream user, we conduct the necessary communication with our suppliers to ensure future deliveries of all components necessary to us.

  • Page 67: 13.1.2 Information On Use As Intended

    13 EU Directive Operating manual mzr-7240 13.1.2 Information on use as intended For micro annular gear pumps, note the following: Requirement for the intended operation is the operation according to the technical data and the manual. Restrictions If the micro annular gear pumps are used at home, in business or in commerce...

  • Page 68: Declarations Of Conformity

    14 Declarations of conformity Operating manual mzr-7240 Declarations of conformity The delivered micro annular gear pump falls within scope of the following EU directives: − Machinery Directive (2006/42/EU) − EMC Directive (2014/30/EU) You may request the declarations of conformity for the micro annular gear pumps from us separately.
  • Page 69 This statement does not warrant any characteristics in terms of product liability. Please note the safety instructions in the manual. Mr. Lutz Nowotka, HNP Mikrosysteme GmbH, Bleicherufer 25, D-19053 Schwerin is authorised to compile the technical file according to Annex VII A.
  • Page 71 EU-manufacturer’s certificate (following EMC Directive 2014/30/EU) We hereby declare that the following micro annular gear pumps of the modular pump series: mzr-7241, mzr-7245 are intended for installation into another machinery/plant and that start of operation is forbidden till it is identified that the machinery/plant into which these micro annular gear pumps shall be installed corresponds to the regulations of the EU guidelines regarding safety and health requirements.

  • Page 73: Problems And Their Removal

    15 Problems and their removal Operating manual for micro annular gear pumps mzr-7240 Problems and their removal Disturbance Cause Solution 1 The pump does not work. No power supply Check the power supply. 2 The pump does not pump the No liquid in the primary tank Fill the recipient/tank with liquid.
  • Page 74 15 Problems and their removal Operating manual for micro annular gear pumps mzr-7240 Disturbance Cause Solution system. Flush the pump with a syringe. The non-return valve does not open. Rinse the non-return valve. Blockage of the delivery tubing or the Cleanse, flush or exchange the delivery tubing needle.
  • Page 75 15 Problems and their removal Operating manual for micro annular gear pumps mzr-7240 Disturbance Cause Solution manufacturer. 17 The pump is noisy Wearout of the pump or defective Do not continue to operate the pump, return it components to the manufacturer for maintenance.

  • Page 76: Service, Maintenance And Warranty

    For service and maintenance please return your micro annular gear pump to HNP Mikrosysteme (You will find the address on the cover of the present operating manual). The declaration of liquids having had contact with the micro annular gear pump and components must imperatively be completed.

  • Page 77: Contact Persons

    17 Contact persons Operating manual for micro annular gear pumps mzr-7240 Contact persons Development and application assistance , service and accessories Mr. Sven Reimann Phone +49| (0) 385|52190-349 Service and maintenance Mr. Steffen Edler Phone +49| (0) 385|52190-307 Drive and control technology Mr.

  • Page 78: Legal Information

    18 Legal information Operating manual for micro annular gear pumps mzr-7240 Legal information Marks is a registered German trademark of HNP Mikrosysteme GmbH. ® MoDoS is a registered German trademark of HNP Mikrosysteme GmbH. ® µ-Clamp ® is a registered German trademark of HNP Mikrosysteme GmbH.

  • Page 79: Safety Information For The Return Of Already Employed Micro Annular Gear Pumps And Components

    19 Safety information for the return of already employed micro annular gear pumps and components Operating manual for micro annular gear pumps mzr-7240 Safety information for the return of already employed micro annular gear pumps and components 19.1 General information The operator carries the responsibility for health and safety of his/her employees.
  • Page 80 20 Declaration of media in contact with the micro annular gear pump and its components Operating manual for micro annular gear pumps mzr-7240 Declaration of media in contact with the micro annular gear pump and its components Type of the device Pump type/article no.:...
  • Page 81 21 Supplement Operating manual for micro annular gear pumps mzr-7240 Supplement − Layouts − Operating manual for the S-KB-4 control unit (optional) − Operating manual of the motor 3564K024BCS (optional) Last update: March 2019 Technical data subject to change without prior notice!
  • Page 82 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 33 Data sheet micro annular gear pump mzr-7241 S Technical data subject to change without prior notice! Last update: March 2019...
  • Page 83 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 34 Data sheet micro annular gear pump mzr-7241 M4 Last update: March 2019 Technical data subject to change without prior notice!
  • Page 84 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 35 Data sheet micro annular gear pump mzr-7241 S + A Technical data subject to change without prior notice! Last update: March 2019...
  • Page 85 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 36 Data sheet micro annular gear pump mzr-7241 S + S Last update: March 2019 Technical data subject to change without prior notice!
  • Page 86 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 37 Data sheet micro annular gear pump mzr-7245 S Technical data subject to change without prior notice! Last update: March 2019...
  • Page 87 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 38 Data sheet micro annular gear pump mzr-7245 M4 + A Last update: March 2019 Technical data subject to change without prior notice!
  • Page 88 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 39 Data sheet micro annular gear pump mzr-7245 S + A Technical data subject to change without prior notice! Last update: March 2019...
  • Page 89 21 Supplement Operating manual for micro annular gear pumps mzr-7240 figure 40 Data sheet micro annular gear pump mzr-7245 S + S Last update: March 2019 Technical data subject to change without prior notice!

This manual is also suitable for:

Mzr-7241Mzr-7242Mzr-7245Mzr-7243

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