WebSee notes 4,5, and 7 Fire or Combination Fire Smoke Damper Figure 2: Factory sleeve ends in the plane of the rated barrier. ® Sleeve Extensions 1 ® Document 462103 Sleeve Extensions nstallation nstruction Supplement FD DFD Series Fire Dampers and FSD Series Combination Fire Smoke Dampers 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 ...
Combination Fire Smoke Dampers Greenheck
WebSSFSD-XXX, Series Fire & Combination Fire Smoke Dampers’ (Part #481318) or ‘Installation Instructions for FD, DFD, SSFD, SSDFD, & KFD Series Curtain Fire Dampers’ (Part #481324) for additional details 1. GAUGES AND LENGTHS OF FIRE DAMPER SLEEVES All fire smoke dampers must be installed in a steel sleeve of the required … WebFire Dampers Fire dampers are required by all building codes to maintain the required fire resistance ratings of walls, partitions and floors when they are penetrated by air ducts and transfer openings. These products are tested and classified in accordance with UL Standard 555. Fire dampers popsicle craft template
Rectangular Smoke Dampers - SMD-202 Greenheck
WebFSDR-511. The FSDR-511 is a round combination fire smoke damper with round style blades. This model installs in walls, floors, or partitions and is rated for airflow and leakage in either direction. Which damper best fits the application? Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure ... WebSep 8, 2024 · Fire dampers carry a fire-resistance rating of 1 ½ or 3 hours, equating to the length of time exposed to the fire test. A 1 ½ hour rated fire damper may be installed into walls, floors, or partitions having a fire-resistance rating of less than 3 hours, while any assembly with a rating of 3 hours or more requires a 3 hour rated fire damper ... WebCSFM California State Fire Marshal Fire Damper Listing (#3225-0981:0103) Leakage (Smoke) Damper Listing (#3230-0981:0104) *only availabe with fusible link Note: The frames are constructed with reinforced corners. Low profile head and sill are used on sizes less than 17 in. (432mm) high for lower pressure drop and improved damper … popsicle crafts