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Product Listings: Heaters
Also Available: Pre-Heaters
HELICAL HEATING SYSTEMS
Reliable Asphalt Products™ helical heater is a skid mounted unit available in 1 to 4 million BTU
capacities that includes a site level indicator, automatic controls, and burner with an optional
gas/oil combination. Our helical heater is very conservatively designed with a large coil diameter.
The coils in the radiant section are exposed to hot gases that transfer heat to the inner circumference
of the tubes and into the heat transfer fluid. These gases then turn and pass back over the outside
surface of the tubes thereby transferring more heat to the transfer fluid. The coil is housed in a
heavy duty ¼ inch shell that is insulated with ceramic fiber. The ceramic fiber is composed of several
different layers insuring that any shrinkage does not create any open seams.
Features include:
•Removable head for coil maintenance
•Full flow pressure relief valve prevents heater damage from outside sources
•Full ported gate plug valves
•Hot oil strainer
•Large expansion tank mounted, remote mounting optional when available (extends life of fluid)
•Conservative sized combustion chamber
•Coil diameter much larger than flame diameter guaranteeing low thermal fluid film temperatures
•Heater skid with all components mounted
•Annunciated control panel with continuous monitoring
SERPENTINE HEATERS
The Reliable Asphalt Products™ serpentine heaters are designed with tube bundles in the radiant zone
space to decrease the amount of heat put into the inner coil and thereby heating the entire bundle in
a more uniform flow. The coils in the radiant section are exposed to hot gases that totally surround
the coils and transfer the heat to the entire circumference of the tubes and into the heat transfer
fluid. This decreases the possibility of internally cooking these tubes and allows your heater to run
longer and with little heat transfer oil replacement. Above the radiant section is located the serpentine
convection or heat exchanger section which provide 60% addition surface area for heating oil. The exchanger
is located on the top of the radiant section in order to gain maximum advantage of upper draft of hot air
rising from the primary chamber. The Reliable Asphalt Products™ serpentine heater provides superior fuel
and maintenance advantages over conventional heaters.
Outstanding features:
•Heater skid will all components mounted
•Heat loss minimized with multiple layers of thermal blankets
•Extra length combustion chamber insures complete burner flame burnout
•Tube bundles adequately spaced to insure full radiant transfer
•Top mounted finned convection section
•Pressure atomizing low-high-low burner
•Annunciated control panel with continuous monitoring
The Reliable Asphalt Products™ serpentine heater is available in 1 to 8 million BTU capacities. Features
include a site level indicator, automatic controls, and burner with an optional oil/gas combination.
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