9
I-800
Exposed Installations:
Victaulic FireLock CPVC Sprinkler System Products are UL Listed for use
in installations without protection (exposed), with the following restric-
tions:
• Exposed CPVC Fire Sprinkler piping is installed below a smooth, flat,
horizontal ceiling construction utilizing UL Listed support devices.
• Listed, Quick-Response, ordinary temperature-rated pendent sprinklers
having deflectors installed within 8 inches from the ceiling. Listed,
Residential, ordinary temperature-rated, pendent sprinklers located in
accordance with their Listing. The maximum distance between sprin-
klers must not exceed 15 feet. The piping must be mounted directly to
the ceiling.
• Listed, Quick-Response, ordinary temperature-rated horizontal sidewall
sprinklers having deflectors installed within 6 inches from the ceiling and
within 4 inches from the sidewall. Listed, Residential, ordinary tempera-
ture-rated horizontal sidewall sprinklers located in accordance with their
Listing. The maximum distance between sprinklers must not exceed 14
feet. The piping must be mounted directly to the sidewall.
• Listed, Quick-Response, upright sprinklers having a maximum temper-
ature rating of 155°F must be installed so that the deflectors are a max-
imum of 4 inches from the ceiling. The maximum distance from the
ceiling to the centerline of the main run of pipe must be 7
1
/
2
inches. The
maximum distance between sprinklers must not exceed 15 feet. The
distance from the centerline of a sprinkler to a hanger must be 3 inches.
Rigid pipe hangers secured to the ceiling must be used.
I-800 2755 Rev_I.fm Page 9 Tuesday, September 13, 2005 8:46 AM
