Evaporative Check Valve

Breather Valve Opening Pressure 30-50 mbar (0.435-0.725 psi.)
Breather Valve Opening Vacuum 1-16 mbar (0.0295-4.728 in. Hg)
Oxygen Sensor Operating Temperature 350 - 850°C (660 - 1560°F)
Purge Valve Opening Vacuum 20-35 mbar (0.591-1.034 in. Hg)
70°C Thermovalve Open Above 70°C (158°F)
50°C Thermovalve Open Above 50°C (122°F)