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Belair Refrigerated Air Dryers
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ACT Series |
ACT Refrigerated Dryers
Reducing energy consumption through technology.
the ACT Series
Our continuing effort to increase our product offering with new
and improved technologies has resulted in The ACT Series of
Dryers. Built in conjunction with our strict design parameters,
the ACT dryers feature an aluminum cooling technology heat
exchanger module. The ACT Heat Exchanger produces the
lowest pressure drop ratings in the compressed air industry,
resulting in energy dollar savings. Application of the “Constant
Pressure By-Pass Valve” delivers a steady Dew Point over all
load variations. The cabinetry is state of the art in design,
providing a compact footprint with easy to remove panels.
All units include an integrated timed condensate drain.
ACT MODULE
The unique design of the aluminum cooling technology heat
exchanger combines the air-to-air, air-to-refrigerant and the
demister condensate separator.
Maximum heat transfer is achieved in the
air-to-air heat exchangers cross-flow design
The large surface areas coupled with the
cross-flow of the refrigerant gases in the
air-to-refrigerant exchanger ensure no liquid
is returned to the refrigeration compressor.
The maintenance free separator is located in
the heat exchanger module. The highly efficient
coalescing separator provides superior
moisture separation.
The large cross-section flow channel results
in low velocities, producing low-pressure drop
and reduced energy costs.
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Features and Benefits
- ACT (Aluminum Cooling
Technology) — Efficient heat transfer,
reduced energy consumption and
pressure drop.
- Constant Pressure Hot-Gas
By-Pass Valve — Precise
pressure dew point control
over full range of load conditions.
- Fan Pressure Switch on ALL
Models — Dryer can operate
in ambients as low as 35°F.
- Robust Controls on Large
Dryers — All three phase dryers
come standard with NEMA 12
Electrical, thermal overload
protection and refrigeration low
and high pressure safety switches.
- Oversized Condensers — Allows
dryers to operate in ambients in
excess of standard conditions.
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| DMC14 DIGITAL CONTROLLER
Dryer operation and monitoring is controlled via an electronic controller.
The DMC14 controller comes standard on all ACT dryers. The digital
display shows the operation Dew Point Temperature in °F and provides
operational controls for the condensate drain along with a High Dew
Point programmable remote alarm signal function. |
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| INLET AIR TREATMENT
Due to the geometric configuration of the heat exchanger, a BelAir FT Series pre-filter
of at least 1.0 micron is required. This will prevent fouling from rust, scale or other solid
particulates pollutants, resulting in prolonged life of the ACT heat exchanger module. |
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| “HOT GAS” BY-PASS VALVE
An innovative design, new to the industry utilizes a thermostatic bulb to control suction
pressure. This ensures dryer performance regardless of load conditions and eliminates
freeze-up at low loads. Calibrated at the factory, the valve never needs adjustment
in the field, resulting in simpler maintenance. |
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| CONDENSATE DRAIN
All models are fitted with a Timed Electronic Drain. Interval and duration times
are adjustable from the digital controller. Unique maintenance friendly drains require no
tools for servicing. Zero Loss Drains are available as an option. |
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AHT Series |
AHT High Inlet Temperature
Refrigerated Dryers
the AHT Series
Clean, dry compressed air is as vitally important to a small manufacturing
company as it is to the largest of production facilities. For these smaller
critical applications, BelAir has a dedicatied line of high inlet air
temperature refrigerated drying systems (up to 210°F). These units
eliminate the need for a separate aftercooler, moisture speparator,
and particulate filter. Ideal for body shops, paint booths or wherever
a high inlet air temperature dryer is required.
STANDARD EQUIPMENT
- Solid State Controller
- Integrated Aftercooler
- Integrated 3-micron Filter/Separator
- Dual Timed Electric Drains with Isolation Valve and Strainer
- Illuminated ON/OFF Switch
- Drain Set and Push to Test Buttons
- Hot Gas By-pass and Capillary Tube Controls
- R134a Refrigerant (R404A in 150 scfm and above) for environmentally friendly applications.
ACT MODULE
The unique design of the aluminum cooling technology heat exchanger
combines the air-to-air, air-to-refrigerant and the demister condensate separator.
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Features and Benefits
- Air-cooled Aftercoolers.
- 3 Micron Filter — Separator
with drain.
- ACT (Aluminum Cooling
Technology) — Air to air,
air to refrigerant, separator
module with efficient heat
transfer, reduced energy
consumption and low
pressure drop.
- Constant Pressure Hot Gas
By-pass Valve — Precise
pressure dew point control
over full operating range.
- Fan Pressure Switch on
ALL models — Dryer can
operate in ambients as
low as 35°F.
- Dual Easy To Service
Programmable Electronic
Timer Drains — First
for the After-cooler —
Second for the Refrigerated
Dryer Separator.
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"Four Leaf Clover" Series |
REFRIGERATED AIR DRYERS
"FOUR LEAF CLOVER" SERIES
AMD dryers (Aluminium Modular Dryer) are marketed using the"good luck" symbol of the
four leaf clover.
The planning and design of this dryer series was not carried out in the conventional way.
Instead, all possible requirements were listed, tested and met.
The "four clover leafs" that form the AMD dryers are a combination of applying technical
solutions to original designs supported by extensive laboratory testing and achieving the goal of
innovative development.
TECHNICAL SPECIFICATIONS AND DIMENSIONS
Standard rating condition: Ambient temperature of 100°F, with inlet air at 100 psig and 100°F and
a pressure dewpoint of 39° to 41°F.
AMD 10-100 scfm dryers are available in both 115/1/60 and a dual 208-230/1/60 VAC.
The maximum operating ambient is 115°F, the maximum inlet temperature is 130°F and the
maximum operating pressure is 200 psig.
The minimum ambient temperature is 34°F without other protection devices (see IOM for lower
ambient operations) and the minimum pressure is 60 psig.
The refrigerant R134a is used on all AMD dryers and meets all current code requirements for
enviromental safety.
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1- PERFORMANCE
AMD dryers achieve excellent performance even in installations
with high ambient and high inlet temperatures. The highly
efficient and ultra compact heat exchanger is able to
operate effectively in ambient temperatures up to 115°F and
inlet temperatures of 130°F with minimal pressure drop.
2 - ECONOMIC
AMD dryers are sized to match standard compressor
outputs. E.g. a 10 HP (7.5kW) air compressor with
theoretical output of 50 scfm at 100 psig matches the AMD
50 rated at 50 scfm. It is therefore unnecessary to select a larger
model: air compressor-dryer combination is tested and certified by
FRIULAIR, within the operating limits as shown per the technical
specifications section.
REFRIGERATED AIR DRYERS
"FOUR LEAF CLOVER" SERIES
AMD dryers (Aluminium Modular Dryer) are marketed using the"good luck" symbol of the
four leaf clover.
The planning and design of this dryer series was not carried out in the conventional way.
Instead, all possible requirements were listed, tested and met.
The "four clover leafs" that form the AMD dryers are a combination of applying technical
solutions to original designs supported by extensive laboratory testing and achieving the goal of
innovative development.
3 - OPERATION
Operation of the AMD dryer is monitored by the DMC15 electronic controller which
indicates the DewPoint temperature digitally, controls the condensate drain valve via a timer and
the condenser fan via a probe.
The fan control on small dryers is not normally found on competitor's
dryers. The fan control allows the dryers to operate at a much lower
ambient without risk of freeze-ups.
A unique constant pressure hot gas by-pass valve allows the evaporator to
be set at 34°F and not freeze regardless of the flow.
Calibrated at the factory, the valve never needs adjustment in the field,
resulting in simpler maintenance.
The ALU-DRY aluminium Modules wet surfaces have a vertical flow ensuring the
condensed water from the compressed air goes to the automatic drain by gravity
regardless of the flow.
4- ECOLOGY
All materials used in the construction of AMD
dryers are easily recycled.Only environmentally
friendly refrigerants are used.
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