Radiator Cap

RADIATOR CAP SPECIFICATIONS
Main Valve Closing Pressure 68.60 kPa (0.70 kg sq cm, 9.95 psi)
Main Valve Opening Pressure 81.40-107.80 kPa (0.83-1.10 kg sq cm, 11.80-15.64 psi)
Vacuum Valve Opening Pressure -6.86 kPa (-0.07 kg sq cm, -1.00 psi)