Upper flammable limit (UFL)Upper flammable limit (UFL)Created OnJanuary 16, 2018byCapt. Angad S Cheema Print You are here: Glossary U Upper flammable limit (UFL) < Back to Glossary IndexThe concentration of a hydrocarbon gas in air above which there is insufficient oxygen to support and propagate combustion. Sometimes referred to as upper explosive limit (UEL).Related:Lower flammable limit (LFL)Flammable rangeHydrocarbon GasExplosive rangeExplosion ProofDreadage or Dreading Clause
Upper flammable limit (UFL)Created OnJanuary 16, 2018byCapt. Angad S Cheema Print You are here: Glossary U Upper flammable limit (UFL) < Back to Glossary IndexThe concentration of a hydrocarbon gas in air above which there is insufficient oxygen to support and propagate combustion. Sometimes referred to as upper explosive limit (UEL).Related:Lower flammable limit (LFL)Flammable rangeHydrocarbon GasExplosive rangeExplosion ProofDreadage or Dreading Clause