WebThe Type-C fire damper is generally used where velocities are medium to high and free area is a consideration. Type-C dampers can be ordered with low pressure (less than 3” w.c.) medium/high pressure (from 3” w.c. up to 10” w.c.) or high pressure ( 10” w.c.) pressure ratings. Webfor the RRL: 165°F (74°C), 212°F (100°C), 250°F (121°C) or 350°F (177°C). Note that available temperature setting options are dependent on damper ratings. Before resetting …

Life Safety Dampers Selection and Application Manual

WebModel FD-150 is a static rated fire damper approved for use in floors, walls, and partitions with fire resistance ratings less than 3 hours. This model carries a 11/2 hour UL fire damper label. UL 555 classifies static rated fire dampers for use in HVAC systems that are automatically shut down in the event of fire. FD-150 Static Rated Fire ... WebFire dampers are UL 555 classified with a fire resistance rating of 1½ or 3 hours. Fire dampers fall into two categories: Dynamic rated – used with HVAC systems that remain … cryptocurrency bookkeeping software

Fire Dampers - Ruskin

WebGreenheck-USA Weban emergency fire situations. Model IMO-310 may be installed vertically (with blades running horizontal) or horizontally and is rated for airflow in either direction. Ratings Fire Rating: A60 for all sizes ABS Product Design Assesment Fire Rating: A60 for single section dampers A30 for multi-section dampers Performance Rating WebModel OFD-150 is a static rated out of wall fire damper for use in HVAC systems that are automatically shut down in the event of a fire. This fire damper is rated for use in walls or partitions with less than 3 hour fire resistance rating and can be mounted vertically or horizontally. Removal of grille allows access to the damper and fusible ... cryptocurrency books free pdf