Bieri SRK701-ATEX Manuel utilisateur

1
Operating Instructions
for
Explosion-Proof Radial Piston Pump
Type: SRK and MRK
Ex-Designation according to RL 2014/34/EU: CE II 2Gc -20°C ≤Ta ≤40°C
Ex-Designation according to EN 80079-37: EX h IIC T4 Gb -20°C ≤Ta ≤40°C
Further applicable documents:
- none
(English translation of original German operating instructions -E-)
Manufacturer:
Bieri Hydraulik AG
Könizstrasse 274
3097 Liebefeld
Schweiz
Tel.: +41 31 970 09 09
Fax +41 31 970 09 10
Operating Manual Part no.: 4414418
Date: Created by: Checked by: Index: Change number:
2019-10-17 Grossenbacher E. Aebischer N. 09 995421

2
Table of Contents
1 Operating instruction ................................................................................................... 4
2 Symbols used in the manual ....................................................................................... 5
3 Proper use................................................................................................................... 6
4 General safety instructions.......................................................................................... 7
4.1 Staff qualification and training............................................................................. 7
4.2 Safe working practice ......................................................................................... 7
4.3 Improper use....................................................................................................... 8
4.4 Unauthorized reconstruction and spare parts ..................................................... 9
5 Designation of the system components .................................................................... 10
5.1 Data plate ......................................................................................................... 11
6 Scope of delivery....................................................................................................... 12
7 Transport and installation notices.............................................................................. 12
7.1 Delivery............................................................................................................. 12
7.2 Transport .......................................................................................................... 12
7.3 Unpacking......................................................................................................... 13
7.4 Set up ............................................................................................................... 13
7.5 Recommended installation ............................................................................... 14
7.6 Connections...................................................................................................... 15
7.6.1 Pipes (under pressure)......................................................................... 16
7.6.2 Pumping medium ................................................................................. 16
7.6.3 Cavitation ............................................................................................. 17
7.6.4 Drive motor .......................................................................................... 17
7.6.5 Main switch / emergency-off from the drive motor ............................... 18
7.7 Start up ............................................................................................................. 19
7.7.1 Trial run................................................................................................ 20
7.8 Storage and conservation................................................................................. 21
7.8.1 Deactivation ......................................................................................... 21
7.8.2 Deactivation when still installed ........................................................... 22
7.8.3 Restarting the pump............................................................................. 22
7.9 Claims............................................................................................................... 23
8 Functional principle ................................................................................................... 24
8.1 Calculating the drive power .............................................................................. 25
9 Operation .................................................................................................................. 26
9.1 Preparations and general notices ..................................................................... 26
9.2 Starting the pump ............................................................................................. 27
10 System care .............................................................................................................. 28
10.1 Changing location............................................................................................. 28
10.2 Cleaning the System......................................................................................... 28
10.3 Electrical / electronic equipment ....................................................................... 29
11 Maintenance.............................................................................................................. 30

3
11.1 Safety notices ................................................................................................... 30
11.2 Maintenance plan ............................................................................................. 31
11.3 Restoration ....................................................................................................... 32
11.4 Log book........................................................................................................... 32
12 Troubleshooting ........................................................................................................ 33
12.1 Emergencies and accidents.............................................................................. 34
12.2 Service and information .................................................................................... 34
13 Spare parts................................................................................................................ 35
13.1 Recycling .......................................................................................................... 35
14 Technical data........................................................................................................... 36
14.1 Perfomance data / Dimension drawings ........................................................... 37
14.1.1 SRK701-ATEX ..................................................................................... 37
14.1.2 SRK702-ATEX ..................................................................................... 38
14.1.3 MRK701-ATEX .................................................................................... 39
14.1.4 MRK702-ATEX .................................................................................... 40
14.2 Type code......................................................................................................... 41
14.3 Standards and guidelines ................................................................................. 42
14.4 ATEX edition..................................................................................................... 43
14.4.1 Intended use ........................................................................................ 43
14.5 Declaration of conformity .................................................................................. 44
15 Warranty ................................................................................................................... 45
16 Glossary.................................................................................................................... 46

4
General
1 Operating instruction
By choosing the special radial piston pump ATEX (SRK-ATEX, MRK-ATEX), henceforth
referred to as "pump", you have selected a leadingedge system for the transportation of
liquids.
The valvecontrolled, modular radial piston pump can be equipped with 3 till 9 pistons on
one level. The pump is suited for the roughest of applications and for high nominal
operating pressures of up to 108MPa (1000 bar). The pumps meet the requirements of the
device group II category 2G of the ATEX-guideline.
This manual contains notices for your personal safety, as well as for the prevention of
damage to property. Read this operating instruction carefully before starting any work on
or with this device. It contains regulations and instructions for installation, startup,
operation, inspection and maintenance of the device.
The manufacturer accepts no liability for damage or faults arising from failure to follow the
instructions. In case of doubt, the enclosed German version of the operating instructions
shall apply. In case of any queries or problems, please contact the manufacturer directly.
This operating instruction must be retained for the full service life of the device in complete
and legible condition and kept accessible to the necessary persons.
Copyright © Bieri Hydraulik AG 2010 All rights reserved disclaimer
The distribution or reproduction of this document or the use or passing on of its contents is
not permitted unless permission has been expressly granted. Non-compliance shall incur
an obligation to pay damages. All rights reserved.
Bieri Hydraulik AG Könizstrasse 274 CH-3097 Liebefeld
We have checked the contents of this publication for agreement with the described
hardware and software. However, deviations cannot be excluded and therefore we do not
guarantee full agreement. The information in this publication is regularly checked and any
corrections found necessary are contained in subsequent editions.
We are grateful to receive suggestions for improvement.
© Bieri Hydraulik AG 2010

5
2 Symbols used in the manual
Danger
Means not applying the relevant measures will cause death, serious physi-
cal injuries or significant property damage.
Caution
Means not applying the relevant caution may cause slight physical injuries or
light property damage.
N
otice
Is important product information, information on product handling or may
highlight a particular part of the documentation requiring your special at-
tention.
Only qualified personnel may start up and operate the equipment. Qualified
personnel are those who know the safety requirements and are fully trained
and worked in on the system.
The manufacturer cannot be held liable for damages caused by not adhering
to safety instructions, by unprofessional procedures or for using the
equipment for purposes it was not designed for.
W
arning
The equipment may only be used as specified in the technical datasheet and
for the applications described and only in connection with equipment and
third- party equipment and components recommended and approved by
Bieri Hydraulik AG.
Trouble-free operation of the equipment requires professional transportation,
storage, installation, operation and maintenance.
Explosion-related
Explosion-related situations or dangers are highlighted.

6
3 Proper use
The special radial piston pump ATEX is intended to be directly driven by commercially
available electric or combustion motors, belt drives, gears etc. and is only meant to
transport liquids and to increase the pressure of liquids with different chemical and
physical characteristics in a defined atmosphere.
The pump meets the requirements in accordance with the European guidelines
2014/34/EU “Intended use of devices and protective systems in an explosion hazard area”,
for device category 2G.
I.e. the pumps themselves are not the source of any ignition. They can be used to
transport flammable liquids. They are built to withstand harsh applications such as those in
industrial plants and ma- chine workshops
D
anger
The special-radial piston pump ATEX may only be set up with in explosion
hazard areas of zones 1 and 2 or in other safe areas!
The danger of an explosion must be determined by the operator of the entire
system.
N
otice
The manufacturer is not liable for any damages in regard to operational and
personal safety caused by disregarding safety instructions, wrong
procedures or by using the equipment as not intended.

7
4 General safety instructions
4.1 Staff qualification and training
The installation, start-up, operating, inspection and maintenance staff who work on the
valve and solenoid coil must have the appropriate qualification for these types of work.
Specialised knowledge in the fields of hydraulics and electrics is required.
The operator is obliged to operate the device only in perfect condition. Any hazards arising
between Bieri Hydraulik AG systems and customer equipment must be secured by the
operator.
Area of responsibility, responsibility and supervision of personnel must be precisely
regulated by the operator. If the personnel do not have the necessary knowledge and
skills, they must be adequately trained and instructed.
Furthermore, the operator must ensure that the contents of the operating instructions are
fully understood by the personnel.
The integrator is obliged to ensure the continuous traceability of the product back to the
manufacturer.
4.2 Safe working practice
The organisational and general safety conditions must always be observed when working
in potentially explosive areas.
Explosion
-
related
Each member of staff must be familiar with the required conduct in explosive
atmospheres.
The safety information given in these operating instructions and the existing
national and international regulations on explosion protection and accident
prevention must be complied with, in addition to any internal works
regulations, operating and safety regulations specific to the owner.
Caution
In environments containing hydraulic oil, small leaks can form films of oil on
the ground.
Caution
Appropriate protective measures must be taken and information provided
when using toxic fluids.

8
4.3 Improper use
The radial piston pumps may only be operated in their intended use and within the
described technical data. The specified limit values must not be exceeded under any
circumstances.
The operator is obliged to report any changes immediately.
The owner must ensure that no safety devices are removed or disabled.
Explosion
-
related
The device may only be operated in a clean and undamaged condition.
Any type of damage may bypass the explosion protection.
As soon as there is any suspicion that device safety is impaired, the device
must be taken out of operation immediately. Ensure that the device is not
restarted inadvertently.
See the "Inspection" chapter for more details.
The other instructions, information and specifications in these operating instructions must
be followed and complied with.

9
4.4 Unauthorized reconstruction and spare parts
Reconstruction and alterations to the device are not permitted (e.g. painting). Original
spare parts and accessories authorized by the manufacturer ensure safety.
Use of other parts may void the liability for any consequential damage or loss.
Explosion
-
related
Signs of wear, like increased noise, altered sound or increased vibrations,
may indicate that the pumps service life is coming to an end, or that the
valve has not been installed correctly In such cases, the pump must be
replaced or sent to the manufacturer for repair.
If the pump has been installed incorrectly, the manufacturer must be
contacted for further advice.
Make particularly sure that the selected materials of those parts of the pump
as well as the system (sealing materials, pipes, fittings e.g.) which carry the
media are suitable for the media in use.
Media incompatibility of the materials can lead to serious consequential
damage due to detached particles.
Caution
Prior to installing/removing the pump, the pressure must be completely
released in order to reduce the risk to the fitter. Fluid must not be allowed to
escape unchecked from the pipe.

10
5 Designation of the system components
This illustration shows the system components of the pump. The drawings are for general
understanding only and are not intended as detailed scale drawings for construction
purposes.
Pos. Description
1 Suction stroke piston
2 Workspace
3 Suction valve
4 Pressure valve
5 Pressure flange
6 Collector pipe
7 Pressure connection
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3
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