Flotronic F 500 series, Installation, Operation And Maintenance Manual

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2.4 Marking
An example of ATEX equipment marking is shown below. The actual classification of the pump will be
engraved on the nameplate.
Equipment Group
I = Mining
I I = Non-mining
Category
2 or M2 = High level protection
3 = normal level of protection
Gas and/or Dust
G = Gas; D = Dust
= Atmosphere group
Maximum surface temperature (Temperature Class) (see Section 2.5)
Special attention must be paid to the marking on the ATEX nameplate as the use of ‘pirate’ spare parts
will invalidate the ATEX certification.
It is essential to heed the instruction prohibiting dismantling of the equipment in a flammable atmosphere
where applicable.
Example ATEX Nameplate
2.5 Avoiding excessive surface temperatures
ENSURE THE EQUIPMENT TEMPERATURE CLASS IS SUITABLE FOR THE HAZARD ZONE
2.5.1 Pump liquid temperature
Pumps have a temperature class as stated in the ATEX Ex rating on the nameplate. These are based on a
maximum ambient of 40
o
C (104
o
F); refer to Flotronic Pumps for higher ambient temperatures.
6-3
ATEX Safety Manual
FLOTRONIC PUMPS LTD Bolney, West Sussex RH17 5NA
EQUIPMENT MUST BE EARTHED AND ONLY GENUINE FPL SPARES USED
DO NOT DISMANTLE IN FLAMMABLE ATMOSPHERE
TYPE S/No.
MAX. PRESS. 7 BAR G MAX. TEMP.
o
C I I I I
I I 2 G/D 135
o
C (T4)
S Q 5 6 6 T T 6 S B S P B E P
2 B T 4
S 1 1 1 / 0 3 / 0 6
1 0 0