10
I-800
Extended Coverage Sprinklers:
Victaulic FireLock CPVC Sprinkler System Products are UL Listed for
installations without protection (exposed) when installed with extended
coverage sprinklers with the following provisions.
• Exposed piping must be installed below a smooth, flat, horizontal ceiling
construction.
• Listed pendent, light-hazard, quick-response, extended-coverage
sprinklers with a maximum temperature rating of 155º F must be in-
stalled within 8 inches from the ceiling. The distance between sprinklers
must not exceed 20 feet, and the application density must be at least
0.10 gpm/ft
2
.
• Listed pendent, residential sprinklers with a maximum temperature
rating of 155º F must be installed within 8 inches from the ceiling. The
distance between sprinklers must not exceed 20 feet, and the applica-
tion density must be at least 0.10 gpm/ft
2
.
• Listed horizontal sidewall, light-hazard, quick-response, extended-
coverage sprinklers with a maximum temperature rating of 165º F must
be installed within 6 inches from the ceiling and within 4 inches from the
sidewall. The distance between sprinklers must not exceed 18 feet, and
the application density must be at least 0.10 gpm/ft
2
.
• Listed horizontal, sidewall, residential sprinklers with a maximum tem-
perature rating of 165º F must be installed within 6 inches from the
ceiling and within 4 inches from the sidewall. The distance between
sprinklers must not exceed 18 feet, and the application density must be
at lest 0.10 gpm/ft
2
.
• These installations require the use of Schedule 80 fittings in sizes 1
1
/
2
inches and larger.
• The end-use application is limited to unobstructed construction only.
• Solvent cemented joints may be made with Victaulic Style #899 FireLock
CPVC One-Step Solvent Cement or any of the solvent cement products
listed on page 20 of this manual.
Return Air Plenums Installations:
Victaulic FireLock CPVC Sprinkler System Products meet the combustibil-
ity requirements for thermoplastic sprinkler pipe, as described in the
Standard for Installation of Air Conditioning and Ventilating Systems,
NFPA 90A.
• Victaulic FireLock CPVC Sprinkler System Products must be installed in
the plenum space adjacent to, but not over, an opening in the ceiling,
such as a ventilation grill.
I-800 2755 Rev_I.fm Page 10 Tuesday, September 13, 2005 8:46 AM
