Check-and-Cut Valve

Port A Opening Vacuum [1] Approx. 1.0 - 4.9 kPa (0.3 - 1.44 in Hg)
Port B Opening Vacuum [1] Approx. 6.4 - 8.3 kPa (1.9 - 2.4 in Hg)

[1] Measurements taken with port C blocked off.