general definitions of pressure measurements for pressure ... definitions... · manufactured...

General Definitions of Pressure Measurements for Pressure Cookers:

PSI:IntheU.S.A.,pressure(inpressurecooking)isreferredtoandmeasuredinImperialmeasurementswithpoundspersquareinch(psi).

kPa:Pressureintherestoftheworldismeasuredinmetricinkilopascals(kPa)andbarswhileEuropeanmanufacturedpressurecookersaredesignedtocookat1baror100kpa(metricpressuremeasurements)andthattranslatesto14.5psi(thisisroundedupto15psi)butAmericanmanufacturedpressurecookersaredesignedtoreachafull15psi.

Tofacilitatethewritingofpressurecookercookbooksandsharingrecipes,thereisanun-officialstandard.ThisstandardincludesthemaximumoperatingpressureforAmericanPressureCookers(15psi)andthemaximumoperatingpressureformostmodernEuropeanCookers(whichisabout13psiforspring-valvetypecookers).

The"kPa"and"psi"arejusttwodifferentmeasuresofpressure,with1psi=6.895kPa.

WorkingPressuresforSCANPANPressureCookers

18301:SCANPANPRESSURECOOKER22CM/6L

18302:SCANPANPRESSURECOOKER24CM/8L

Springvalve:72-88kPa(10.4-12.8psi)

Level1,lowpressurecooking:

The1stredlineofthespringvalve:45-55kPa(6.5-8.0psi)

Level2,highpressurecooking

The2ndredlineofthespringvalve:72-88kPa(10.4-12.8psi)

WorkingPressuresforthetwoothersafetyfeaturesshouldthespringvalvefailstoreleaseexcessivepressureinsidethecooker,

Safetyvalue:112-160kPa(16.2-23.2psi)

Siliconegasket:160-280kPa(23.2-40.6psi)

(1psi=6.895kPa)

YouwillnoticethementionofthefollowingonthePressureCookerGiftBox

"…stainlesssteellidandbodytowithstandupto500kPa…"

ThismeansthatSCANPANpressurecookersaremadesothatshouldallthesafetyfeaturesfailtoreleasethepressureinsidethecooker,thelidwouldstillnotcomeoffevenwhenthepressureinsidethecookerreaches500kPa.