20-LITER SPHERE APPARATUS
model: SPD-2.2

DETERMINATION OF EXPLOSION CHARACTERISTICS
OF DUST CLOUDS:
Pmax  ♦ (dp/dt)max ♦ Kst ♦  MEC  ♦  LEL ♦  LOC

STANDARD REFERENCES:
 ASTM E1226  Standard Test Method for Explosibility of Dust Clouds
 ASTM E1515 Standard test method for MEC - minimum explosible concentration
   of combustible dusts
 EN 14034-1:2004+A1:2011 Determination of the maximum explosion pressure Pmax of dust clouds
 EN 14034-2:2006+A1:2011 Determination of the maximum rate of explosion pressure rise 
  (dp/dt)max of dust clouds
EN 14034-3:2006+A1:2011 Determination of the lower explosion limit LEL of dust clouds 
EN 14034-4:2004+A1:2011 Determination of the limiting oxygen concentration LOC of dust clouds
EN ISO/IEC 80079-20-2 Explosive atmopheres. Material characteristics. Combustible dust methods. 

SPECIFICATION:
 20-liter double layer vessel
 Material:                             stainless steel (1.4541 - 321) 
 Working pressure:              40 bar maximum 
 Software:                           ANKO Dust Explosion Plotter®
 Measurement range:         - Pmax                  0-25 [bar]
                                             - (dp/dt) max        > 4000 [bar/s]
                                             - Kst                     > 1000 [bar·m/s]
                                             - LEL, MEC, UEL    from 0 [g/m3]
                                             - LOC                   1-21 [%O2] 
 Smoke extractor outlet:      ø100-150  (4”-6”) 
Space requirements:           min. 2,5 x2,5 m
Power supply:                     110 or 230 VAC