20-LITER SPHERE APPARATUS
FOR DETERMINATION OF EXPLOSION CHARACTERISTICS
OF GASES & VAPOURS AT ELEVATED TEMPERATURE AND PRESSURE
Pmax ♦ (dp/dt)max ♦ KG ♦ LEL ♦ UEL ♦ LOC
STANDARD REFERENCES:
ASTM E918
Standard practice for determining limits of flammability of chemicals at elevated temperature and pressure
ASTM E2079
Standard test methods for limiting oxygen (oxidant) concentration in gases and vapors
EN 15967
Determination of maximum explosion pressure and the maximum rate of pressure rise of gases and vapours
EN 1839
Determination of explosion limits limiting and the oxygen concentration (LOC) for flammable gases and vapours
SPECIFICATION:
• Explosion test vessel: spherical, volume: 20L
• Material: stainless steel
• Maximum working pressure: 210bar (3000psi)
• Maximum temperature: 350ºC
• Method of preparing the gas mixtures: partial pressure method
• Gas temperature measurement: built-in type K thermocouple
• Available ignition systems: fuse wire, continuous spark, spark discharge, chemical ignitor
• Gas mixing method: built-in gas stirrer with the propeller
• Dedicated computer program equipped with a selection of procedures according to
ASTM E918, ASTM E2079, EN 15967, EN 1839