Installation guide
2 DKRCI.PI.000.B3.02 / 520H1298 © Danfoss A/S (AC-MCI/MWA), 2012-11
Table 1
Classication of Danfoss Industrial Refrigeration products
Group
Product groups - ATEX requirements
“Non-ammable”
refrigerants
(Ammonia, CFC,HCFC,
HFC,CO
2
)
Flammable refrigerants
(Propane, Butane,
Iso-butane, Propylene,
ethane)
Comments
Hazardous area
Outside catagory / zone
Zone 2
Zone 1
Zone 0
Outside catagory / zone
Zone 2
Zone 1
Zone 0
ATEX Equipment group II
Component type
Category 3
Category 2
Category 1
Category 3
Category 2
Category 1
A
Component which can be used to all refrigeraqnts
and - cannot be mounted with any electrically pilots / equipment
and - have no ignition sources
Stop Valves SVA-HS, X1 X X X - X X X -
Filters FIA FIA X X X - X X X -
Check Valves NRVS X X X - X X X -
Check Valves NRVA X X X - X X X -
B
Component which can be used to Ammonia, CO2, CFC, HCFC, HFC refrigerants
and - cannot be mounted with any electrically pilots / equipment
and - have no ignition sources
Stop Valves SVA-ST, LT X X X - - - - -
Regulating Valves - REG REG X X X - - - - -
Stop Check Valves SCA SCA X X X - - - - -
Overow valve OFV X X X - - - - -
Check Valves CHV X X X - - - - -
Float Valves HFI X X X - - - - -
Float Valves SV X X X - - - - -
Pilots for ICS Valves CVP, CVPP X X X - - - - -
Safety Valves SFA X X X - - - - -
Safety Valves SFV X X X - - - - -
Safety Valves BSV X X X - - - - -
Change Over Valves for Safety Valves DSV X X X - - - - -
Safety Valves POV X X X - - - - -
C
Component which can be used to Ammonia, CO2, CFC, HCFC, HFC
refrigerants and - can be mounted with electrically pilots / equipment
and - have no ignition sources Note: Only EX approved coils, if any coils are used
Main Valves (control valves) ICS 1 ICS 3 X X X - - - - -
Main Valves (control valves) PM1 PM3 PML PMLX X X X - - - - -
Modulating liquid level regulators PMFH X X X - - - - -
Pilots for ICS Valves EVM X X X - - - - -
Electrically operated expansion valve AKVA X X X - - - - -
Solenoid Valves EVRS X X X - - - - -
Solenoid Valves EVRA X X X - - - - -
D
Component with special sealing material for HC-refrigerants ( Probane,
Butane, Iso-butane and Propylene)
and - can be mounted with electrically pilots / equipment
and - have no ignition sources Note: Only EX approved coils, if any coils are used
Main Valves (control valves) ICS 3E - - - - X X X -
Modulating liquid level regulators PMFHE - - - - X X X -
Modulating liquid level regulators SV3E - - - - X X X -
Pilots for ICS Valves CVP-HPE - - - - X X X -
Pilots for ICS Valves CVCE - - - - X X X -
Pilots for ICS Valves EVME - - - - X X X -
Safety Valves SFAE - - - - X X X -
Safety Valves BSVE - - - - X X X -
E
Component not to be used in hasadas areas
Components in this group has an ignition source
Motor Valves ICM - - - - - - - -
Motor Valves MRV / MEV - - - - - - - -
Level controls 38E, AKS48 - - - - - - - -
Electronic regulators EKC 2.., EKC 3.. - - - - - - - -
“Standard” coils all - - - - - - - -
Pilots CVQ, CVPM - - - - - - - -
F
Electrically component to be used in hasadas areas
RT-Safety pressure control RTE X X X - X X X - Ex II 3 G EEx ia IIC T6
RT-Dierential pressure control RTE X X X - X X X - Ex II 3 G EEx ia IIC T6
RT-Thermostats RTE X X X - X X X - Ex II 3 G EEx ia IIC T6
KPE-Safety pressure control KPE - - - - X X - - Ex II 3 G EEx nL IIC T6
MP 55E-Dierential pressure control MP 55E - - - - X X - - Ex II 3 G EEx nL IIC T6
MBS Pressure transmittere MBS 42xx X X X X X X X X Ex II 1 G EEx ia II T4 - T6
EX Coils BP X X X - X X X - Ex II 2 G EEx m II T4
EX Coils “ “ X X - - X X - - Ex II 3 G EEx nA II T3
Gas detector GD X X X - X X X - Ex II 2 G EEx d IIB + H2 T3 –T6