D39489-BA-PM-EN.pdf - 第16页
16 D39489 | Date 12/2019 Diaphragm pump PJ25481 - 950.50.1 8 Use Translation of origina l Installat ion Instructions , english , KNF 125530 - 316634 06/ 18 5 2.2. Improper use The pum ps may not be op erated in an explos…

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D39489 | Date 12/2019
Use Diaphragm pump PJ25481-950.50.18
4 Translation of original Installation Instructions, english, KNF 125530-316634 06/18
2. Use
2.1. Proper use
The pumps are exclusively intended for transferring gases and va-
pors.
Owner’s responsibility
Only install and operate the pumps under the operating parameters
and conditions described in Chapter 4. Technical Data.
Make sure that the installation location is dry and the pump is pro-
tected against rain, splash, hose and drip water as well as other
pollutions.
The gas-tightness of the connections between the application
pipes and the pump (or the pump connection) must be checked
regularly; with leaky connections, there is a danger that hazardous
gases or vapors may escape from the pump system.
Before using a medium, check whether the medium can be trans-
ferred danger-free in the specific application case.
Before using a medium, check the compatibility of the materials of
the pump head, diaphragm and valves with the medium.
Only transfer gases which remain stable under the pressures and
temperatures occurring in the pump.
Laboratory equipment or additional components connected to a
vacuum pump system have to be suitable for use with the pneu-
matic capabilities of the pump. (see Chapter 4. Technical Data).
Operating parameter and
conditions
Requirements for
transferred medium
Accessories

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D39489 | Date 12/2019
Diaphragm pump PJ25481-950.50.18 Use
Translation of original Installation Instructions, english, KNF 125530-316634 06/18 5
2.2. Improper use
The pumps may not be operated in an explosive atmosphere.
The pumps are not suitable for transferring dusts.
The pumps are not suitable for transferring liquids.
The pumps are not suitable for transferring aerosol.
The pumps are not suitable for transferring biological and microbio-
logical substances.
The pumps are not suitable for transferring fuel.
The pumps are not suitable for transferring explosive and combus-
tible materials.
The pumps are not suitable for transferring fibers.
The pumps are not suitable for transferring oxidizing agent.
The pumps are not suitable for transferring foodstuffs.
The pumps must not be used to create vacuum and overpressure
simultaneously.
Pumps designed to create either a vacuum or an overpressure
must not be used for these two purposes simultaneously.
An overpressure must not be applied to the suction side of the
pump.

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D39489 | Date 12/2019
Safety Diaphragm pump PJ25481-950.50.18
6 Translation of original Installation Instructions, english, KNF 125530-316634 06/18
3. Safety
Note the safety precautions in Chapter 6. Installation and con-
nect
ion and 7. Operation.
The pumps are built according to the generally recognized rules of
the technology and in accordance with the occupational safety and
accident prevention regulations. Nevertheless, dangers can result
during their use which lead to injuries to the user or others, or to
damage to the pump or other property.
Only use the pumps when they are in a good technical and proper
working order, in accordance with their intended use, observing the
safety advice within the Installation Instructions, at all times.
Components connected to the pump must be designed to with-
stand the pneumatic performance of the pump.
Take care that safety regulations are observed when connecting
the pump to the electricity supply.
Make sure that only trained and instructed personnel or specially
trained personnel work on the pumps. This especially applies to
assembly, connection and servicing work.
Make sure that the personnel has read and understood the Instal-
lation Instructions, and in particular the “Safety” chapter.
Observe the accident prevention and safety regulations when per-
forming any work on the pump and during operation.
Do not expose any part of your body to the vacuum.
Ensure that the pump is separated from the mains and is de-ener-
gized.
The pump heads heat up during operation – avoid contact with
them.
Make sure that there are no hazards due to flow with open gas
connections, noises or hot gases.
Ensure that an EMC-compatible installation of the pump is ensured
at all times and that this cannot lead to a hazardous situation.
When transferring dangerous media, observe the safety regula-
tions when handling these media.
If the diaphragm ruptures, the transferred medium will mix with the
air in the environment.
Take all necessary care to prevent this leading to a dangerous situ-
ation.
Be aware that the pumps are not designed to be explosion-proof.
Make sure the temperature of the medium is always sufficiently be-
low the ignition temperature of the medium, to avoid ignition or ex-
plosion. This also applies for unusual operational situations.
Note that the temperature of the medium increases when the pump
compresses the medium.
Personnel
Working in a safety
conscious manner
Handling dangerous media
Handling combustible media