PSIPounds per Square Inch
GPMGallons per Minute
LPMLiters per Minute
BTUBritish Thermal Unit
LbsU.S. Pounds
Ft. HeadFoot pounds of head pressure
gGrams
kgKilograms
CUCubic or Cubed diamentional measurement
HPHorse Power
KWKilowatt
cmCentimeter
mmMillimeter
LLiters
ozOunces
BTU/HrGPM x 500 x Change in H20 Temperature