Evaporative Check Valve

TWO-WAY CHECK VALVE
Port A Opening Vacuum Approx. 1.46 inHg (37 mmHg, 4.9 kPa)
Port B Opening Vacuum Approx. 1.73 inHg (44mmHg, 5.9 kPa)

CHECK-AND-CUT VALVE
Port A Opening Pressure 0.92 - 12.09 psi (6.38 - 8.34 kPa)
Port B Opening Pressure 0.14 - 0.71 psi (0.98 - 4.91 kPa)