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The Ansul IND-X Industrial Fire Suppression System is a pre-engineered, stored pressure dry
chemical type with a fixed nozzle distribution network. It is listed with Underwriters Laboratories, Inc.
(UL) and approved by Factory Mutual Research Corporation (FMRC).
The system is capable of automatic detection and actuation and/or remote manual actuation. Additional
accessories are available for shutting down electrical power to equipment and shutting down the flow of gas lines.
The detection portion of the fire suppression system allows for automatic detection by means of
specifically rated mechanical fusible links or electric thermal detectors. The fire suppression
system has capabilities for total flooding, local application - tankside, and local application - overhead.
The IND-X system can protect Class A, B, and C type hazards. The basic system consists of: Dry
Chemical Agent Storage Tank(s), Distribution Piping and Nozzles, Control System and/or Releasing
Device, Thermal or Fusible Link Detectors, and Accessories.
Agent Storage Tanks - The IND-X system utilizes three sizes of tanks: 25 lb., 50 lb., and 100 lb.
The tank assemblies consist of a factory-filled dry chemical agent tank and valve assembly. This
assembly meets the appropriate Department of Transportation, (4BW500) and NFPA Standards. Each tank
is finished in red enamel paint and contains either FORAY or PLUS-FIFTY C dry chemical agent
pressurized with dry nitrogen. All three sizes are available with FORAY dry chemical and the 25 lb.
and 50 lb. sizes are also available with PLUS-FIFTY C dry chemical. A nameplate is affixed to the
exterior and printed with contents, pressure and weight information. The nameplate is also color
coded to specify either FORAY (yellow) or PLUS-FIFTY C (blue) dry chemical agent.
Distribution Piping and Nozzles - The distribution piping network is designed to properly distribute
the dry chemical to the hazard areas. In the IND-X pre-engineered system; pipe sizes, maximum and
minimum pipe lengths, and maximum and minimum number of pipe fitting are predetermined. There are
six types of nozzles available for the IND-X system. Each type of nozzle has been designed and
tested for specific applications and areas of coverage.
Releasing Device and/or Control System - The releasing devices consist of either an ANSUL AUTOMAN
electric or mechanical release or an ANSUL AUTOMAN II-C releasing device. If no supervision is
required, the releasing device can be connected directly to the mechanical fusible link detectors.
All releasing devices contain an LT-10-R nitrogen cartridge which supplies the pressure to actuate
the tank valve and allow the dry chemical to discharge.
An AUTOPULSE control system is designed to protect fixed fire hazards. The control system can
automatically actuate the releasing device on the fire suppression system after receiving an
input signal from any initiating device(s); i.e., manual pull station or thermal detectors. The
control system incorporates an internal power supply, on-line emergency batteries, and solid
state electronics. The AUTOPULSE control system can utilize the AUTOPULSE FOUR control panel or
the AUTOPULSE 442R control panel. Other approved control system panels are also available.
Contact Ansul Distributor Technical Services Department for details.
Fusible Link or Thermal Detectors - Fusible link detectors consist of three basic components:
the bracket, linkage, and fusible link. The bracket holds the entire assembly to the mounting
surface. The linkage is used to support the fusible link. The fusible link is designed to
separate at a specific temperature and release the tension on the detection cable which will
cause the mechanical ANSUL AUTOMAN release mechanism to actuate. The fusible links are available
in six temperature ratings.
Rate compensating thermal detectors are factory preset. They are normally open, mechanical contact
closure switches designed to operate at the set temperature rating or when the surrounding air
temperature increases in excess of 40°F (4°C)/per minute. Electric thermal detectors are available
in seven preset temperatures ranging from 140°F to 725°F (60°C to 385°C).
Accessories
Accessories, such as pressure switches, micro-switches, alarm bells, pressure trips, selector
switches, electric gas valves, mechanical gas valves, and flashing alarm lamps, are available
for closing doors and dampers, warning personnel, shutting down HVAC equipment, shutting down
electrical equipment, and shutting off gas lines. Accessories can be operated electronically
or pneumatically.
Ordering
Ordering all system components through Ansul Customer Service Department, One Stanton Street,
Marinette, WI 54143 715-735-7411.
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