Looking for an Anti-Shock air release vacuum break valve? VENT-O-MAT air release vacuum break valves offer the best Anti-Shock performance available! Part of a holistic surge alleviation program, VENT-O-MAT air release vacuum break valves trap a quantity of air inside the valve. This pocket of air, our compression zone, automatically compresses with the dynamic transients the system experiences continuously each and every day, protecting and reducing the stress on your valuable infrastructure systems. You can rely on VENT-O-MAT to provide the Anti-Shock operation your system deserves. Contact us today to begin improving your infrastructure protection!