Mar 5, 2008 / Harris or Smith propane/oxygen torch set #31 A allenr Gold Member Joined Nov 28, 2006 Messages 398 Location Barossa Valley, South Australia Tractor Duetz DX3.70, Fendt 305LSA,260S & 205P,Kubota B6100E & 3 x B5100E & RTV900, Caterpillar 428C To convert kPa to PSI divide the kPa by 7.