Rupture Disc Device: Straight-Thru, 427 psi to 473 psi, 1/2 in Male NPT, 1/2 in Female NPT

Rupture disk devices protect HVAC systems from overpressure by using a disk of material specially designed to fail or rupture above a certain pressure. This creates an open vent that empties the system to protect it from high pressures but must be replaced after it is triggered.