ML442 | v5k
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Expo Technologies UK
T: +44 (0) 20 8398 8011
E: [email protected]
Expo Technologies US
T: +1 (440) 247 5314
E:[email protected]
Expo Technologies China
T: +86 532 8906 9858
E: [email protected]
Approval / Certification
X
=
Europe
EN60079-0, EN60079-2
Sira 01ATEX1295X
0518
II 2 (2) G D
Ex [pxb] IIC T6 Gb
Ex [pxb] IIIC T85ºC Db
Tamb -20ºC +55ºC
IEC
IEC60079-0, IEC60079-2
IECEx SIR 07.0027X
Ex [pxb] IIC T6 Gb
Ex [pxb] IIIC T85ºC Db
Tamb -20ºC +55ºC
BRAZIL
INMETRO- TÜV 12.1462X
Ex [pxb] IIC T6 Gb
Ex [pxb] IIIC T85ºC Db
Tamb -20ºC +55ºC
USA / Canada NFPA 496
FM 1X8A4AE
Class I Div 1 Groups A, B, C & D
UL E190061
Class I Div 1 Groups A, B, C & D
For limitations and conditions of use refer to the
applicable certificate at the back of this manual.
MiniPurge
Housing
ss
= 316L Stainless Steel
Neoprene “Top” Mount Gasket
pm
= Panel Mount (Side/Front Mount) 316L
Stainless Steel
Presurization Method
CF
= Continuous Flow
LC
= Leakage Compensation
1. Specification Sheet – MiniPurge
Type X Systems
Supply Pressure:
Must be regulated at inlet
Minimum 60 psi / 0.4 MPa / 4 bar
Maximum 115 psi / 0.8 MPa / 8 bar
Air Quality:
Compressed air / Nitrogen to instrument quality
Ambient Temperature:
-20ºC to + 55ºC
Leakage Compensation:
Variable up to 2 scfm / 60 Nl/min to compensate for leakage of enclosure
Purge Timer:
Stepped adjustable between 1 minute and 30 minutes
Flow & Pressure Sensors:
CF:
One sensor for both
“Low Pressure and Flow”:
1” WC / 250 Pa (2.5 mbar)
LC:
“Low Pressure Sensor”
0.2” WC / 50 Pa (0.5 mbar)
“Flow Sensor”
1.13” WC/ 280 Pa / (2.8 mbar)
Relief Valve:
System:
CF
LC
Model No:
RLV25/ss
RLV25/FS/ss
Opening Pressure:
4” WC / 1 kPa (10 mbar)
4” WC / 1 kPa (10 mbar)
Purge Flow Rate:
N/A (see Spark Arrestor)
8 scfm / 225 Nl/min
Material: 316L Stainless Steel, Spark Arrestor: Stainless Steel mesh, Gasket: Neoprene
Spark Arrestor Unit
Model No:
SAU25
(CF systems only)
Purge / Dilution Flow Rate:
Between 0.4 & 8 scfm / 10 & 225 Nl/min (Default: 8 scfm)
7 user selectable orifice plates
Material:
Stainless Steel
Bulkhead Pipe Fittings:
Air Supply:
1/2” NPT
Output:
1/2” NPT
Signal:
1/8” NPT
Size
1
= Sub MiniPurge
Purge flow rate 225 Nl /min, 8 scfm
Purge System Type
07
= MiniPurge
Power & Alarm (Signals)
PO
= Pneumatic Output
“Power” : On Purge Complete = 30 psi / 0.2 MPa / 2 bar Signal
“Alarm” : Loss of Pressure = No signal
”Pressurized” = 30 psi / 0.2 MPa / 2 bar Signal
PA
= Power and Alarm Terminal Box Ex e IIC T5
Power and Alarm Terminal Box Ex e IIC T4
“Power” ; 250 Vac 4 Amp AC15 2PNO – Ex d IIC T6
“Alarm” : 250 Vac 4 Amp AC15 SPCO – Ex d IIC T6
(European and IEC Systems Only)
IS
= Intrinsically Safe, Ex i & Ex i circuit
“Power” : used with others’ Ex i equipment
“Alarm” : Relay / Barrier
Model No. (Example): 07 1 XLC / ss / PO / WM
(Note: Not all codes are applicable)
Options as Required
AO
= Alarm Only
MO
= Manual Override
MK
= MIU Mounting Kit (PO systems only)
WM
= Wall Mounting Bars
