Vacuum Relief Doors – VRD – 1”
- The Positive and Negative Pressure Relief Doors are designed to open automatically 2″ w.g. above normal operating system pressure
- The function of the pressure relief door is to prevent ductwork from imploding or exploding in the event dampers close while the fan is still operating
- Opening outward or inward at a specified pressure setting, the doors permit rapid neutralization of the pressure differential between the inside and outside of the HVAC system
Product Specifications
| Swing: | Inswing |
|---|---|
| Thermal/Non-Thermal: | Non-Thermal |
| Sizes Available: | 10”x10”, 12”x12”, 18”x18”, & 24”x24” |
| Documentation |