1
⁄
2
" Orifice
Horizontal
Sidewall
Automatic
Sprinkler
Omega
HEC-12EC PRO
Prohibitor
TM
Product
Description
occupancies in accordance with
current NFPA 13 Standards (for
up to 16' x 20' coverages).
For all models of Prohibitor
TM
Sprinklers, an optional 3
5
⁄
8
" diameter
light gauge escutcheon closure plate is
available, for use where the wall
penetration is greater than the
recommended 2
1
⁄
4
" diameter. The
escutcheon closure plate fits between
the base of the escutcheon and the
mounting surface.
For all models of Prohibitor
TM
Sprinklers, an optional 4
1
⁄
2
" diameter
x
1
⁄
8
" thick security closure plate is
available for use where additional
security is a consideration. The
security closure greatly reduces the
possibility of inserting a tool, prybar or
other device behind the sprinkler. The
security closure plate fits between the
base of the escutcheon and the
mounting surface.
For all models of Prohibitor
TM
Sprinklers, the optional Ident-A-Fire
TM
feature is available to provide an alarm
signal upon activation of the sprinkler.
Prohibitor
TM
Sprinklers are available
in two standard finishes, brass and
chrome plated. Their mating
escutcheon is available in three
standard finishes, brass, chrome plated
and white painted, with additional
special finishes available.
Operation: A fusible alloy pellet is
compressed with a bearing disc into a
copper housing by a ball plunger. Heat
is absorbed by the heat collecting fins
and conducted to the alloy pellet. At
the rated temperature the alloy melts,
causing the ball plunger to drop,
freeing balls from the retaining groove.
This movement allows system water
pressure to force the orifice sealing
mechanism and deflector assembly
open. Water is then discharged in a
designed flow pattern.
The Omega Prohibitor
TM
Model HEC-
12EC PRO Automatic Sprinklers have
been specifically designed for use in
institutional occupancies, such as
correctional facilities and mental health
facilities, where the occupants may
attempt to tamper with or otherwise
employ the sprinkler to injure
themselves or others.
The horizontal sidewall style
Prohibitor
TM
HEC-12EC PRO sprinklers
are recessed into the mounting surface
with only a portion of the heat
collecting fin assembly projecting into
the protected space. The heat
collecting assembly has an average
breakaway load of 68 lbs., and a
maximum breakaway load of 85 lbs.
Unlike other institutional sprinklers, the
escutcheon plate and optional closure
plates are firmly attached to the
recessed sprinkler body with tamper
resistant retaining screws.
The Omega Prohibitor
TM
sprinklers
are designed with an aesthetically
pleasing, low profile silhouette. They
feature a spray pattern that has been
shown to be effective in the control or
extinguishment of fire.
The Model HEC-12EC PRO carries
two separate Listings* by Underwriter's
Laboratories for use as:
1. An Extended Coverage Quick
Response Sprinkler that qualifies
for installation at 4"-12" below the
ceiling in light hazard occupancies
in accordance with current NFPA
13 Standards (for up to 16' x 18'
coverages.
2. An Extended Coverage Sprinkler
that qualifies for installation 4"-6"
below the ceiling in light hazard
Manufactured by: Central Sprinkler Company
451 North Cannon Avenue, Lansdale, Pennsylvania 19446
Extended Coverage Quick Response (16'x18')
Extended Coverage (16'x20')
Institutional Sidewall Automatic Sprinkler
11-94
No. 1-10.0
HEC-12 EC PRO
OBSOLETE
