HNP Mikrosysteme mzr-11507 User manual

Operation manual for micro annular gear pump
mzr-11507
HNP Mikrosysteme GmbH
Bleicherufer 25
D-19053 Schwerin
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
http://www.hnp-mikrosysteme.de
Last update: August 2016

Impressum
Original instructions
Copyright
HNP Mikrosysteme GmbH
Bleicherufer 25
D-19053 Schwerin
All rights, including translation, reserved.
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.
While using micro annular gear pumps, the relevant standards regarding the
specifications of this manual have to be followed.
Subject to change without notice.

Contents Operating manual mzr-11507
Last update: August 2016 i
Contents
1General Information 1
1.1 Application scope of the pumps 1
1.2 Product information 2
1.3 Technical data of the micro annular gear pump mzr-
11507 3
1.4 Measurements 4
1.5 Flow charts 4
1.6 Technical data of the motor 5
2Safety instructions 6
2.1 Safety symbols in this operating manual 6
2.2 Staff qualification and training 6
2.3 Safety-conscious work 7
2.4 Safety instructions for the operator 7
2.5 Safety instructions for maintenance, check and
assembly of the pump 7
2.6 Unauthorized pump conversions and spare part
manufacture 8
2.7 Improper modes of operation 8
2.8 General safety instructions 8
3Transportation and Storage 9
3.1 Shipment of the pumps and protection measures 9
3.2 Transport 9
3.3 Intermediate storage 9
4Description 10
4.1 Micro annular gear pumps 10
4.2 Construction 12
4.3 Materials and media 12
4.4 Liquid supply 13
5Optional modules 14
5.1 Fluidic seal module 15
5.2 Heat insulation module 18
5.3 Heating module 19
5.3.1 Electric heating module 19
5.3.2 Fluidic heating- and cooling module 20
5.4 Heating device „JETmicro“ 21
6System integration 22
6.1 Check before the first assembly 22
6.2 Mounting of the micro annular gear pump 22
6.3 General instructions for the assembly of the liquid
supply network 22
6.4 Assembly instruction for tubing and accessories 23

Contents Operating manual mzr-11507
ii Technical data subject to change without prior notice! Last update: August 2016
6.5 Filter selection and use 25
7Motion Controller 26
7.1 Operation with frequency inverter 26
8Startup/shutdown of a mzr-pump 28
8.1 Prepare for start up 28
8.2 Startup of the micro annular gear pump 28
8.3 Flushing procedure after use 28
8.4 Shutdown of the micro annular gear pump 31
8.4.1 Conservation 33
8.4.2 Dismantling of the system 34
8.5 Problem shooting 35
8.6 Return of the micro annular gear pump to the
manufacturer 35
9Accessories for micro fluidic systems 36
10 Non-liability clause 36
11 Problems and their removal 37
12 EC Directive 39
12.1 Electromagnetic Compatibility (EMC) 40
13 Declarations of conformity 41
14 Service, maintenance and warranty. 45
15 Contact persons 46
16 Legal information 47
17 Safety information for the return of already
employed micro annular gear pumps and
components 47
17.1 General information 48
17.2 Declaration of liquids in contact with the micro
annular gear pump 48
17.3 Shipment 48
18 Declaration of media in contact with the micro
annular gear pump and its components 49
19 Supplement 50

1 General Information Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.1
1General Information
This operating manual contains basic instructions to be followed during
integration, operation and maintenance of a mzr®micro annular gear pump.
For this reason it is necessary to read it carefully before any handling of the
device. The present manual should always be kept at the operation site of the
micro annular gear pump.
In case assistance is needed, please indicate the pump type visible on the
housing.
1.1 Application scope of the pumps
The micro annular gear pumps 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.
!
If you intend to treat any aggressive, poisonous, or radioactive liquids, you
must conform to safety measures as according to the regulations in force. Any
project concerning handling of corrosive liquids should be previously discussed
with the pump manufacturer.
!
The micro annular gear pumps must not be used for invasive medical
applications, in which the liquid having had contact with the pump is re-
introduced to the body.
!
Micro annular gear pumps exclusively are provided for use in the industrial
area. A private use is excluded.
!
The micro annular gear pumps must not be used in aircrafts and spacecrafts or
other vehicles without prior consent of the manufacturer.
!
Data concerning resistance of the pumps to the manipulated liquids have been
elaborated according to the best of HNPM's knowledge. However, operating
parameters varying from one application case to another, no warranty for this
information can be given.
!
Information given in this manual does not release the customer from the
personal obligation to check the integrity, correct choice and suitability of the
pump for the intended use. The use of the micro annular gear pumps should
be conform with technical norms and regulations in force.
If you wish to receive more information than comprised in this operating
manual please contact directly HNP Mikrosysteme.

1 General Information Operating manual mzr-11507
2Technical data subject to change without prior notice! Last update: August 2016
1.2 Product information
This manual is valid for the micro annular gear pump mzr-11507, manufactured
by HNP Mikrosysteme GmbH, Juri-Gagarin-Ring 4, D-19370 Parchim, Germany.
The bottom line of this manual shows the issue and date of issue of this
operating instruction.

1 General Information Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.3
1.3 Technical data of the micro annular gear pump mzr-11507
The following table shows the technical data of the micro annular gear pump
head mzr-11507.
Constructive Specifications
Measurements (L x W x H) 303 x 110 x 171 mm
Weight approx. 9,3 kg
Material case stainless steel 1.4404, 1.4435 (316L)
Material rotor
tungsten carbide Ni-based
Material bearing
tungsten carbide Ni-based
Shaft seal graphite reinforced Teflon®, 316L
Static seals FPM (Viton®), optional: EPDM, FFPM
Fluid connections 3/8" NPT internal thread, lateral
Tubes D / ID 6 / 4 mm
Technical data
Flow rate 29 – 1152 ml/min ( = 69,1 l/h)
Smallest dosage volume 100 µl
Displacement volume 192 µl
Operating pressure range 0 – 40 bar (by Viskosity 1 mPas)
0 – 140 bar (by Viskosity 16 mPas)
Max. inlet pressure 10 bar
Viscosity range 0.3 – 150,000 mPas
Precision < 1 % Coefficient of Variation CV
Pulsation < 6 %
Internal volume 8506 µl
Operating temperature range -5 … +60 °C (-20 … +120 °C *)
Ambient temperature range -20 … +40 °C
Store temperature range
-5 … +40 °C
caption: * Differing specifications on request
table 1 Technical data of the micro annular gear pump head mzr-11507
Warning The material properties of a liquid (e.g. viscosity, lubricating property, particle
content, corrosiveness) impacts the technical data and the lifetime of pumps.
Under appropriate conditions the characteristic values may be increased or
decreased.
Warning If you intend to operate the pump out of the range of the above given
specification, please consult the manufacturer. Modifications may be necessary
to ensure successful operation. Otherwise the pump or the system may be
damaged seriously.

1 General Information Operating manual mzr-11507
4Technical data subject to change without prior notice! Last update: August 2016
1.4 Measurements
figure 1 Dimensions of the micro annular gear pump mzr-11507
1.5 Flow charts
Liquid water Liquid oil 16 mPas
0
200
400
600
800
1000
1200
010 20 30 40
6000
5000
4000
3000
2000
1000
mzr-11507
Speed [rpm]
Viscosity 1 mPas
Liquid water
0
200
400
600
800
1000
1200
010 20 30 40
6000
5000
4000
3000
2000
1000
mzr-11507
Speed [rpm]
Viscosity 16 mPas
Liquid oil

1 General Information Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.5
1.6 Technical data of the motor
The micro annular gear pump mzr-11507 is provided with a 4 poles
asynchronous servo motor with high dynamic. The connection of the motor to
a frequency converter is simple.
Data of capacity SDSGAXX 056-22
(standard)
SDSGAXX-62-32
(alternative)
Rated power
240 600 W
Max. Stall torque 0,81 1,9 Nm
Rated continuous current
1,49/0,86
3,00/1,74
A
Rated voltage 230/400 230/400 V
Rated frequency 100 100 Hz
Rated speed 2790 2825 rpm
Max speed 6000 6000 rpm
Rated power factor cos ϕ0,71 0,7
moment of inertia 1,404 4,21 kgcm²
Protection class IP 55 IP 55
Weight 4 6,9 kg
table 2 Technical data of the motor

2 Safety instructions Operating manual mzr-11507
6Technical data subject to change without prior notice! Last update: August 2016
2Safety 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.
2.1 Safety symbols in this operating manual
Please comply not only with the general safety instructions listed below, but
also with specific safety instructions mentioned in the following chapters.
Non respect of the safety instructions marked with the following signs
represents danger to people:
Danger symbol High voltage symbol
!
Safety symbol according to
DIN 4844 – W9
Safety symbol according to
DIN 4844 – W8
Non compliance with the safety instructions marked with the following sign:
Warning
represents a risk of damage to the micro annular gear pump.
Operating instructions machined directly on the pump such as the indication of
liquid input and output should be followed and kept in a clearly readable
condition.
2.2 Staff qualification and training
The staff operating, servicing, inspecting and assembling the pumps must
evidence the appropriate qualification for these works. Areas of responsibility
and competence as well as monitoring of the staff must be precisely regulated
by the decision maker. If the personnel do not have the necessary knowledge,
they must be trained and instructed accordingly. If necessary, this can be
implemented by the supplier or the manufacturer on behalf of the operator.
Furthermore, the operator in charge must ensure that the content of the
present manual has been fully understood by the personnel.

2 Safety instructions Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.7
2.3 Safety-conscious work
The safety instructions listed in this operating manual, the applicable national
regulations for accident prevents and all internal working, operating and safety
regulations of the operator must be complied with.
2.4 Safety instructions for the operator
The surface temperature of the motor under full load may exceed 60°C. If
needed, this surface should be protected on site against contact in order to
avoid skin burns.
The drive should be protected against dust, water vapor condensation,
humidity, splash water, aggressive gases and liquids. Please provide for
adequate air ventilation and thus cooling of the motor.
The micro annular gear pump mzr-11507 must not be used in areas exposed to
explosion risks or in the proximity of inflammable gases and vapors.
Possible leaks of dangerous liquids (for example from the shaft sealing) should
be guided away in a way not to represent any danger for the personnel and the
environment. The pump should be regularly checked for possible leakage. All
legal requirements in this matter should be followed.
The existing protections against contact for the moving parts of the pump (such
as for example the coupling) must not be removed during operation.
Take care that all risks resulting from the electric energy are excluded. (For
details please refer to the instructions provided by the authorities in charge or
your power supplier.)
Warning Please insure, that the totality of the liquid supply accessories such as tubes,
hoses, filters etc. are free from dust or dirt particles. Impurities such as metal,
plastic or glass particles may impair or damage the pump leading to its failure.
Warning Please, operate the pump with a filter featuring 10 µm or smaller pores. It will
protect the pump.
2.5 Safety instructions for maintenance, check and assembly of the pump
As a rule all maintenance work on the device should be performed when the
device is at a standstill. The shutdown procedure described in this manual must
be followed. Pumps delivering liquids hazardous to health must be
decontaminated. Immediately after the work had been completed all safety
equipment and protection measures should be applied.
Before starting the operation, please take into notice the instructions listed in
the chapter 6.

2 Safety instructions Operating manual mzr-11507
8Technical data subject to change without prior notice! Last update: August 2016
Warning Should a malfunction of the pump occur, do not dismantle the pump on your
own but contact one of HNP Mikrosysteme's service staff for professional
assistance.
2.6 Unauthorized pump conversions and spare part manufacture
Conversions or modification to the device are only permitted with prior consent
of the manufacturer. Original spare parts and accessories authorized by the
manufacturer ensure safety. The use of other parts will annul the liability of the
pump manufacturer for any resulting consequences.
2.7 Improper modes of operation
The safety of operation of the delivered device can only be insured by correct
use, as described in chapter 1. The limit values given in this manual must not be
exceeded in any case.
2.8 General safety instructions
Please observe the following safety instructions
!
The pump may operate at high pressures. For this reason please use only the
delivered accessories and ensure that the employed fittings and tubing have
been prescribed and approved for these pressures.
!
In order to decrease the pressure, provide the system with a pressure control
valve directing the excess liquid to the storage tank or back to the suction side.
In the case of blockage of the pressure side the operating pressure can
multiply, this can lead to the damage of downstream components.
!
At a standstill, the liquid may flow through the pump in the direction of the
falling pressure. In order to avoid this unwanted movement, please integrate
non-return valves (see accessories).
!
Protect the micro annular gear pump and the electric drive against strokes and
shocks.
!
Under normal working conditions the shaft sealing rings integrated in the
pump prevent the liquid from leaking out of the device. The micro annular
gear pumps are "technically leak-proof" however not "hermetically sealed"
which means it may occur that gases or liquids enter to or escape from the
pump.
The allowed operating parameters of the drive should not be exceeded. In
particular an incorrect polarity setting of the supply voltage may lead to
damage of the control unit.
Warning Please insure, that the totality of the liquid supply accessories such as tubes,
hoses, filters etc. are free from dust or dirt particles. Impurities such as metal,
plastic or glass particles may impair or damage the pump leading to its failure.
Warning Please operate the pump with a filter featuring 10 µm or smaller pores. It will
protect the pump.

3 Transportation and Storage Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.9
3Transportation and Storage
3.1 Shipment of the pumps and protection measures
The pumps leaving the factory are secured against corrosion and shocks. The
inlets and outlets of the pumps are protected with plastic plugs in order to
prevent any foreign bodies from penetrating into the device.
3.2 Transport
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.
3.3 Intermediate storage
Following points concerning pump storage should be observed:
−Necessary conservation procedure (see also chapter 8.4.1)
−The protective plugs must be left screwed in
−The pump should not be stored in humid places
−For storage temperature - refer to chapter 1.3 of the present manual

4 Description Operating manual mzr-11507
10 Technical data subject to change without prior notice! Last update: August 2016
4Description
4.1 Micro annular gear pumps
Micro annular gear pumps are positive displacement pumps. They contain two
rotors, bearing slightly eccentrically to each other; an externally toothed internal
rotor and an annular, internally toothed external rotor (see figure 2). Due to
their cycloid indenting, the rotors remain interlocked at any time, forming
during rotation a system of several sealed pumping chambers. As the rotors
revolve around their offset axis, the pumping chambers increase on the
induction (suction) side and simultaneously decrease on the delivery side of the
pump (see figure 3). A homogenous flow is generated between the kidney-like
inlet and outlet.
internal
rotor
external
rotor
delivery sideinduction side
inlet outlet
figure 2 Principle of the micro annular gear pump
figure 3 Operating principle of the micro annular gear pump
Reciprocating and rotary pumps have a direct allocation to the fed amount of
the displacement volume Vg of the pump and its actuator’s number of
revolutions n. The displacement volume describes the volume, which is
theoretically fed with each revolution. The coherence of the flow rate referring
to the formula (= volumetric flow rate) Qof the pump is:
nV
QgVol ⋅⋅= η
The volumetric efficiency
η
Vol describes the coherence of the actual flow rate
from the theoretical resulting value. Differences occur according to leaking, as
the sealing on the inside of the pump is done over a gap. The volumetric

4 Description Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.11
efficiency is dependent on the media and the pressure against which it has to
be fed.
Example: The pump head mzr-11507 has a displacement volume of 192 µl. On
the assumption that the volumetric efficiency is 100%, the flow rate at a speed
of 3000 RPM would be 576 ml/min, according to the above formula. The table
3 shows theoretical flow rate values depending on speed expressed in ml/min
and l/h.
RPM Q [ml/min] Q [l/h]
100 19,2 1,15
500 96 5,76
1000 192 11,52
2000 384 23,04
3000
567
34,02
4000 768 46,08
5000 960 57,60
6000 1152 69,12
table 3 Theoretical flow rate of the micro annular gear pump mzr-11507
The pressure, which the pump has to generate, is given by the construction of
the fluidic system and the results of the hydrostatic pressure and the hydraulic
resistants (given by tubes, contractions etc.).
The viscosity of the pumping medium has an important influence on the
volumetric efficiency. The volumetric efficiency increases with higher viscosity
according to the smaller disengagement through the gaps of the pump.
Cavitation is an effect, which can result in a specific ceiling speed. The reason
for this is the static pressure reaching the steam pressure of the liquid in the
inlet port of the pump. In this state an increase of speed does not result in an
increased flow rate. The formation of gas prevents a sufficient feeding of the
pump. With increasing viscosity of the liquid (e.g.> 10.000 mPas), the ceiling
speed is lower.
The specific feature of the mzr-pumps is their highly precise design, as well as
the guarantee of high accumulator pressure and high accuracy in flow rate and
dosage. Therefore, space width and transverse space width of the rotors as well
as the interspace to the adjacent case parts are in the range of just a few
micrometers. This precision is the condition to achieve a volumetric efficiency in
the range of approx. 100 %.

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.

4 Description Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.13
4.4 Liquid supply
The micro annular gear pump head has an inscription on the front side (see
figure 5). The liquid inlet connection is marked with the letter »S«, the liquid
outlet connection with the letter »D«. An arrow indicates the inherent turning
direction of the shaft.
SD
H
N
P
M
i
k
r
o
s
y
s
t
e
m
e
G
m
b
H
liquid inlet
(suction side)
liquid outlet
(pressure side)
figure 5 Indication of the turning direction and fluidic connections on the front of the micro annular gear pump
The pump head has two inner threads for the connection of tube fittings. The
pump head is available either in a version for lateral connections with 3/8” NPT
fittings.
Sealing plugs are inserted into the holes for the fluidic connections as
protection against contamination during delivery. The sealing plugs have to be
removed before assembly of the fluidic connectors. If the fluidic connectors are
disassembled, please re-seal the threads with the cleaned sealing plugs as
protection against particles.

5 Optional modules Operating manual mzr-11507
14 Technical data subject to change without prior notice! Last update: August 2016
5Optional modules
The spectrum of applications of the high performance micro annular gear
pump 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. The modules may be combined
with each other and with almost all available pump heads and motor versions.
−Fluidic seal module prevents possible chemical reactions between the
delivered liquid and the surrounding environment
−Thermal insulation module extends the operating temperature range of the
pump by protecting the motor from overheating
−Heating module enables to regulate the temperature of the fluid-containing
parts of the pump
The configuration of a given pump version should in each case be discussed
with consideration to the specific requirements of the application. Additional
customized modules may be designed on demand.

5 Optional modules Operating manual mzr-11507
Last update: August 2016 Technical data subject to change without prior notice!.15
5.1 Fluidic seal module
Fluidic seal module
liquid outlet
(pressure side)
seal liquid
outlet
seal liquid
inlet
liquid inlet
(suction side)
tube
cartridge
Figure 6 Design of the micro annular gear pump with fluidic seal module
The role of the fluidic seal module is to prevent moisture and oxygen in the
surrounding atmosphere from penetrating into the pump. This eliminates the
risk of unwanted chemical reaction between the atmospheric gases and the
handled liquid (such as for example the crystallization reaction). The module
limits at the same time the possibility for the manipulated liquids to escape
from the pump.
The function of the fluidic seal module
The shaft sealing employed in the high performance micro annular gear pump
is designed in a way that allows for the formation of a boundary layer in which
the delivered liquid comes into contact with the surrounding environment.
Small amounts of water vapor and oxygen may penetrate through the
protective boundary liquid film into the pump. The fluidic seal module enables
to control this influx - only a chosen and compatible liquid may come into
contact with the delivered liquid. The fluidic seal module prevents also the
inverse movement of the liquid - from the pump to the environment - which
could otherwise not be excluded.
With the fluidic seal module, a second sealing is added to the existing shaft
sealing. A cylindrical chamber with input and output openings displaced by
180° is located between the two seals (see figure 7). When the chamber is filled
with an appropriate sealing liquid, the manipulated liquid does not enter into
contact with water vapor and oxygen, but dilutes at a small ratio in the sealing
liquid. The dilution ratio depends on the existing pressure relations and drops
with increasing viscosity.

5 Optional modules Operating manual mzr-11507
16 Technical data subject to change without prior notice! Last update: August 2016
fluidic
seal module
inlet seal liquid
outlet seal liquid
outlet
pump
liquid
inlet
pump
liquid
fluidic
chamber
gas tight module
additional
shaft seal
pump shaft shaft seal
outlet
pump
liquid
inlet
pump
liquid
figure 7 Pump head without the fluidic seal module Pump head with the fluidic seal module
Pump operation with the fluidic seal module
Only liquids compatible with the delivered liquid may be used as sealing liquids.
That means no liquids that could possibly react with the delivered liquid should
be employed. The composition of the sealing liquid should be determined by
the operator.
While filling up the fluidic seal chamber a particular attention should be paid to
proper venting of the chamber through the two openings featuring a
1/4 - 28 UNF thread. These openings are slightly shifted downwards and
upwards to facilitate the degassing of the sealing chamber (see figure 9). The
chamber is filled through the bottom opening. The sealing liquid should be
filled in so long, till it flows free of air bubbles out of the top opening. Now the
inlet should be screwed down.
Sealing liquid inlet Sealing liquid outlet
figure 8 Sectional view of the fluidic seal module
A cartridge may be used to supply the sealing liquid to the chamber (see
figure 7). In special cases compressed air may be applied to the sealing liquid in
order to enhance the sealing function. The sealing chamber may be flushed.
!
Make sure that enough sealing liquid is supplied to the fluidic seal chamber in
order to prevent any penetration of air and water vapor to the module.
!
If the fluidic seal chamber is empty, the pump should immediately be stopped.
Dry operation may lead to shaft seal damage.