Number of Results: 55
The VRAD negative pressure relief door also opens automatically at 1 in. wg above normal operating system pressure. This door prevents ductwork from imploding if system damper(s) close while the fan is still operating.
The PRAD positive pressure relief door opens automatically at 1 in. wg above normal operating system pressure. These doors prevent ductwork from exploding if system damper(s) close while the fan is still operating.
The RAD series round duct access doors provide a durable, practical, and economical means of gaining access to components inside the ductwork. This model comes insulated or uninsulated.
The HAD-10 duct access door has a continuous piano-style hinge. The door provides a durable, practical, and economical means of gaining access to components inside the ductwork.
The CAD-10 duct access door has two CAM latches. The door provides a durable, practical, and economical means of gaining access to components inside the ductwork.