Evaporative Check Valve

EGR VALVE
Vacuum To open 65 mm Hg (2.59 in Hg)
Minimum coolant temperature 55°C (131°F)

ROLLOVER/VENT VALVE
Tank pressure to open (max.) 7.0 kPa (1.0 psi)
Air pressure to vent tank (max.) 4.9 kPa (0.7 psi)

TWO-WAY CHECK VALVE
Vacuum To open port A 26 mm Hg (1.01 in Hg)
Vacuum To open port B 44 mm Hg (1.73 in Hg)