Alfa Laval Toftejorg TZ-79, Instruction Manual, Page: 18 / 48

Installation and Normal Operation
(continued)
Special Conditions for Safe Use in accordance with the ATEX Certification,
Directive 94/9/EC
ATEX Warning: The maximum permitted flush or cleaning fluid pressure difference across the
machine is 12 bar.
ATEX Warning: The unit must not be operated in a vessel having an enclosed volume of greater
than 100m
3
.
Tanks larger than 100 m³
To use Tank Cleaning Machines in tanks larger than 100m³ is possible under
certain conditions.
It is necessary to know the current factors such as tank size, cleaning solvent
and product.
Additives can be used in the cleaning solvent, or, for example, the tank can be
filled with nitrogen. The basic rules are described in the guide "CLC / TR
50404:2003“.
Following a guidance document such as "CLC / TR 50404:2003“ to establish
safe use of machinery and process is the users own responsibility and is not
covered by the ATEX certification for this product.
ATEX Warning: The unit must be effectively earthed at all times when In use.
ATEX Warning: The user must address the electrostatic hazards generated from the process of
the equipment in accordance with guidance document CLC/TR 50404:2003.
In addition to the above mentioned precautions relating to the ATEX guidelines Directive 94/9/EC of
March 23 1994, the Safety Precautions on page 12 must be observed.
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