Ex-d TEST APPARATUS
model: ExD 2

TEST OF ABILITY OF THE ENCLOSURE TO WITHSTAND PRESSURE
TEST FOR NON-TRANSMISSION OF AN INTERNAL IGNITION

STANDARD REFERENCES:
IEC 60079-1:2014                    Explosive atmospheres - Part 1:
EN 60079-1                               Equipment protection by flameproof enclosures “d”
ISA 60079-11                    
SPECIFICATION:
 
CHAMBER:
  Chamber volume       1, 2, 5, 10 m3  
  Material                     stainless steel
  Working pressure      Pmax ≥ 25 bar
  Open/close system   quick bayonet lock, pneumatic drive
 
GAS MIXING DEVICE: 
   Available flow rates        2-20, 5-50, 50-500 l/min
   Gas mixing accuracy        0,1 – 1 % [V/V]  (according IEC 60079-1)
   Safety circuits, interlocks, flame arresters 
 
CONTROL BLOCK:
   MSEG contol                         built-in  
   DAQ system                          PC data acquisition
   Dynamic pressure signals     PC stoarge and analysis
   Static pressure meter           built-in
 
VACUUM BLOCK:
  double stage vacuum pump applied
   vacuum pressure gauge
  
SOFTWARE:
   gas mixing control (% of concentration)
   combustion pressure analysis, pmax automatic calculation and data storage
   process data export to .txt format file
   ignition process control
   laptop or desktop PC, software pre-installed
 
MESG CHECK APPARATUS:
   MESG value check in gas mixture during vessel/enclosure filling process and before ignition.
 
COMPLETE GAS SUPPLY SYSTEM