Check Valve (Two-Way)

Check Valve (Two-Way) Opening Vacuum
Air flows through port B @ approx. 0.97 kPa (7.3 mmHg, 0.29 inHg)


Check Valve (Two-Way) Opening Pressure
Air flows through port B above 5.9 kPa (44 mmHg, 1.7 inHg)
No air flow through port B below 2.9 kPa (22 mmHg, 0.9 inHg)