Product Technical Guides : US-EN Firestop Systems Guide For Specifiers | Page 51

Product Information
FIRESTOP COLLAR CP 643N
Product description
• A ready-to-use firestop collar, made of a galvanized steel housing and
intumescent inserts for firestopping combustible pipes
Product features
No expiration date alleviates shelf life concerns
Ready-to-use collar
Pre-cured, pre-formed intumescent inlay
Fast installation time
Adjustable mounting tabs
Low profile for tight installations
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Areas of application
• Firestopping combustible pipes up to 6" diameter in penetrations through fire
walls and floors
• Suitable for a wide variety of combustible pipes and penetrations
For use with
• Concrete, masonry, wood floor and gypsum wall assemblies
• Wall and floor assemblies rated up to 4 hours
Types of installation
• Wall: two collars, one on each side
• Floor: one collar on underside (bottom)
Example
• Waste water pipes
• Fresh water pipes
• Various combustible / non metallic pipe penetrations
Installation instructions
• See Hilti Literature or third-party listings for complete application and
installation details
FIRESTOP DEVICE
FOR USE IN THROUGH-PENETRATION
FIRESTOP SYSTEMS
SEE UL FIRE RESISTANCE DIRECTORY
5N76
Technical Data

Collar
outside
dia. (in.)
Collar
Height
(in.)
No. of
hooks and
fasteners
CP 643-50/1.5"N 1.4–2.0 2.8 0.9 2
CP 643-63/2"N 2.0–2.5 3.4 1.3 2
CP 643-90/3"N 2.6–3.6 4.9 1.7 3
CP 643-110/4"N 3.6–4.5 6.0 1.9 3
CP 643-160/6"N 6.6 9.8 1.9 4
-40°F to 140°F (–40°C to 60°C)
Intumescent activation Approx. 392°F (200°C)
Expansion ratio (unrestricted) Up to 1:10
Approvals California State Fire Marhsal - No. 4485-1200:131
Tested in accordance with UL 1479, ASTM E 814, ASTM G21,
CAN/ULC-S115
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Hilti Firestop
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FILL, VOID OR CAVITY through
MATERIALS
CLASSIFIED and
BY education
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UNDERWRITERS LABORATORIES, INC.
FOR USE IN TROUGH-PENETRATION
FIRESTOP SYSTEMS
SEE UL FIRE RESISTANCE DIRECTORY
66Y7
49