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A
Integrated Fire Protection System
General Section - Dry Pipe System
FM-076E-0-25B
Trim is fully assembled and tested at the factory
All trims are galvanized steel, Listed and Approved for
175 PSI (1207 kPa) service maximum
Quick connections to water supply and drain on both
sides, and sprinkler riser on top of unit, all available with
grooved end or flanged fittings
No open drain cup inside unit
Sturdy 14 gauge steel cabinet, painted fire red with oven
baked polyester powder on phosphate base
Textured rust proof finish
Neoprene gasket on all doors to eliminate vibrations
Separate unlocked access hatch to emergency manual
release
Key-alike locks on all cabinet doors
Manufactured under ISO-9001 quality control procedures
5.2 ECS® PGEN-5 FF nitrogen generator features
Handles up to 950 gallons (3596 litres) of nitrogen for
sprinkler piping capacity
Initial sprinkler piping capacity lower than 250 gallons
(946 litres) only requires the ECS ® PGEN-5 FF
compressor
Fully automatic with pressure monitoring
Pre-filters and pressure regulator
Control panel with gauges, hour meter and power, fast fill
and vent switches
6- Configuration description
TOTALPAC ® N2 regular dry pipe system is built around the
Viking conventional trim using dry pipe valve model F-1.
The valve is rated up to a maximum of 175 PSI WWP
(1207 kPa) and is available in the following diameters:
4" (100 mm) 6" (150 mm)
TOTALPAC ® N2 dry pipe system is supplied with groove/
groove deluge valve. Unit with flange/flange deluge valve
is also available on request.
6.1 Dry pipe system
The system piping network is pressurized with air or
nitrogen gas. The dry pipe system uses the Viking dry
pipe valve which opens by the fusing of an automatic
sprinkler in the system piping network.
The air pressure of the system piping network above the
dry pipe valve maintains the dry pipe valve closed.
In fire condition, when an automatic sprinkler fuses on the
system piping network, it release the air pressure above
the dry pipe valve, causing the dry pipe valve to open.
Water will flow from the dry pipe system through opened
sprinklers.
6.2 ECS® PGEN-5 FF nitrogen generator
Engineered Corrosion Solutions utilizes membrane
technology in the ECS ® PGEN-5 FF corrosion inhibiting
systems in order to efficiently separate nitrogen molecules
from the air we breathe. Membrane technology has a
simple air flow design, and is easy to service.
The ECS ® PGEN-5 FF system provide an economical,
precise means of generating high purity nitrogen. Since air
is comprised of ~79% N2, we simply and cost-effectively
separate the N2 from the air. Nitrogen is an inert gas (non-
combustible) and widely used in thousands of industries
along with fire protection systems. The N2 is “generated”
by means of the air compressor pushing air into the simple,
safe membrane element, which in turn mechanically
separates N2 molecules from other molecules found within
air.
The ECS ® PGEN-5 FF nitrogen generation system
effectively inhibits electrochemical, galvanic and
microbiologically influenced corrosion (MIC), as well as
freeze-ups and ice plugs. The ECS ® PGEN-5 FF
corrosion inhibiting system produces 98% or higher pure
nitrogen on demand and introduces it to the sprinkler
piping network. In doing so, oxygen and moisture are
displaced from the piping through the ECS ® PSV-D
SMART vent system.
6.3 ECS ® PSV-D SMART vent
High purity Nitrogen must be equally distributed throughout
the entire sprinkler piping system in order to effectively
inhibit corrosion. The patented ECS ® PSV-D SMART vent
provides a low volume, constant purge of nitrogen within
sprinkler piping. The rate in which gas is evacuated from
the sprinkler piping is within NFPA guidelines and allows
breathing to occur. The ECS ® PSV-D SMART vent also
assists in drying out the residual water from a hydrostatic
test. Computational fluid dynamics modeling proves that
this is the most effective way to ensure that high purity
nitrogen reaches all branches within the sprinkler piping.
The ECS ® PSV-D SMART vent is installed within the
TOTALPAC ® N2 cabinet.
6.4 ECS ® Leak monitor alarm
Minor leaks cause the ECS ® PGEN-5 FF air compressor
to run excessively in order to maintain supervisory
pressure. The nitrogen generator and air compressor are
designed to run up to two (2) hours at a time when filling
the system to specified pressure of high purity nitrogen. If
the ECS ® PGEN-5 FF air compressor is running greater
than four (4) hours, the TOTALPAC ® N2 system activates an
audible alarm and transmit a supervisory signal to the
monitoring alarm panel. Corrective procedures must be
taken to resolve the leaks.
