FUJI ELECTRIC VRV40 Blower Relief Valve - 1.5 Inch Outside Diameter, 133 in WC Vacuum Preset Limit - for Industrial Air Systems, HVAC Equipment & Vacuum Pumps

Pressure and vacuum relief valves connect to the air system's piping to help ensure safe operation of regenerative blowers. Pressure relief valves release air if too much pressure is detected during the blower's pressure function. Vacuum relief valves let air in if too much vacuum is detected during the blower's vacuum function.

Pressure and vacuum relief valves connect to the air system's piping to help ensure safe operation