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