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Albinpump.com
Albin Pump ALP Instruction Manual
since 1928
1 - Pumps certification level
All ALBIN peristaltic pumps are certified with II 2G T4, II 3G T4 or II 2D T4 certification .
All ALBIN peristaltic pumps are certified with II 2G T4, II 3G T4 or II 2D T4 certification. The pumps
are
machines whose surface temperatures are dependent on the temperature of the product that they
pump. Moreover, the peristaltic pumps have “mechanical” heating due to the deformations of the hose,
depending on the discharge pressure and speed of rotation of the pump. So, the level of protection
II 2G T4, II 3G T4, II 3D T4 and II 3D T4 is obtained with the working limits determined at the reception
of the ATEX form (see adjoined form).
Pumps ALP09N, ALP13N, ALP17N, ALP25N, ALP30N and ALP45N are limited to a maximum
discharge pressure of 2 bar (29 psi) .
Going beyond of the working limitations specified at the sale is regarded as an abnormal function
of
the pump. This can generate surface temperatures higher than the safe maximum surface temperatures
recommended in the classification of temperature (T) for which the pump was certified. It is the
responsibility of the operator to respect these working limits.
In order to use the pump industrially with the required safety levels, safety devices have been provided
(see the chapters “Protection of the pumping part” and “Protection of the transmission part”).
2 - Protection of the pumping part
The heating of the pumping part is directly related to the functioning temperature of the hose.
The lifespan of the hose, which is the heart of any peristaltic pump, is strongly dependent on the
working temperature of the hose: it imposes the working limits of the ALBIN peristaltic pumps.
Consequentially, the working temperature of the hose (and thus the heating of the pump) must be
known and controlled, and it depends on the three following parameters:
> Temperature of pumped product
> Number of rotations of the pump
> Discharge pressure
For pumps II 2G T4: use of a PT100 temperature sensor only in a gas atmosphere
The permanent control of the maximum surface temperature of the pump housing makes it possible to
control the heating of the pump effectively.
In the event of dysfunction of the pump (excessive rotation, too high temperature of pumped product,
unsuitable shimming of the shoes…), the temperature sensor will detect any passing over the critical
temperature of the body and will stop the pump before the surface temperatures of the pump exceed
the limit corresponding to the classification of temperature (T) of the pump.
The threshold of release of the temperature sensor will have to be adjusted from 0°C (32°F) to
75°C (165°F) more or less 5°C (41°F), with a 10°C (50°F) hysteresis.
ALP
Complementary Instructions
for ATX Certified Materials
Summary of Contents for ALBIN PUMP ALP
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