Maintenance; Technical Characteristics Of The Atex Version; Marking - Tecfluid Series LT Instruction Manual

19.1.3 Maintenance

NOTE: Before performing any maintenance that involves opening the flameproof
enclosure, make sure that there is no tension in any of its internal components.
Modification or reparation of the flameproof housing is not permitted.
The flameproof seals of the housing should kept greased to avoid corrosion, water ingress
and seizing.

19.1.4 Technical characteristics of the ATEX version

Temperature
Ambient temperature: -20ºC ... +60 ºC
Electrical connection
Inside the flameproof housing.
Recommended cable
The standard thread supplied for the cable gland is ¾ "NPT.
ATEX cable glands can be placed for normal cable or armoured cable. ATEX cable glands
can be supplied on request.
The outer diameters of the cables that adapt to the ¾" NPT thread cable glands range from
6 to 21 mm.
The ingress protection of the flameproof housing is IP67
The rest of characteristics are the same as in the section 15.

19.1.5 Marking

An example of marking is shown as follows.
The marking of the equipment shows the following characteristics:
- Manufacturer
- Model
- Serial number
- CE marking
- ATEX marking
- Certification number
- Address of the manufacturer
The marking label is located at one side of the housing, always visible
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