Royal Metal Products 507RD User Manual
CEILING RADIATION DAMPER
FOR WOOD TRUSS CEILING ASSEMBLIES.
ETL CLASSIFIED UL263/E119.
INSULATED REGISTER BOX • 45° INLET
MODEL: 507RD
QUALIFICATIONS:
• ETL CLASSIFIED UL263/E119
CEILING DAMPER.
• 1 hour rated for use in floor/ceiling design numbers L550 /
L562 /574 /579 /585 /503/L563/L546/L521/L528/L530/L570/
L586, and roof /ceiling design numbers P531/ P538 / P545 /
P522/ P552/P533/P544/P548.
• Meets NFPA
DE
SCRIPTION:
Ceiling dampers are designed to function as a heat barrier
in air handling openings penetrating fire resistive
membrane ceilings. The model series 507RD has been
especially designed to provide protection and simple
installation in specific design wood truss ceiling
assemblies.
The 507RD assembly consists of a ceiling damper
mounted in the round inlet collar of an internally insulated
sheet metal register box (boot), that accommodates a
steel grille or register.
CONSTRUCTION:
1. Listed fusible link, 212°F (100°C) standard.
des: 21 ga. G60 roll-formed galvanized steel.
2. Bla
3. Blade Insulation: Non-asbestos Classified.
4. Damper frame: 21 ga. G60 galvanized steel.
5. Internal insulation: 1 1/2" (38) thick. R-Value 6.3.
6. Steel plenum: 24 ga. max. with round
connection collar
7. Classified Class 0 or I Flexible Air Duct connection by
others.
8. Plaster flange: 1" wide x 1/2" deep.
9. Steel grille / register (by others). Minimum depth for grille
clearance is 2 1/2".
90A requirements
D– 1/8"
7
1
4
3"
1/2"
1"
LISTEDSIZE+ 3"
4 1/2"
3
2
9
LISTEDSIZEWx H
6
B
5
8
1"
B
OPTION:
1. Non-standard temp. listed fusible link
165 165°F (74°C)
2.. Installation Support Angles. 26" long.
❑ 2 @ Standard boot rail
❑ 2 @ 3/4" x 3/4" x 16 ga.
3. 1"x1" Plaster Flange
4. Available with R4, R6, & R8 ins.
❑
NOTE:
Building code and Classification require damper
installation in accordance with manufacturer’s instructions.
Maximum collar opening 10 inches
Dimensions are in inches
MODEL 507RD
Royal Metal Products
TM
reserves the right to change any information concerning product or pricing without notice.
W x H = Nominal Grille / Register Size
H
APPX
H+ 3
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