A Sullair Series SDE Heat Reactivated Desiccant Dryer will remove these destructive
contaminants thus resulting in the following benefits:
• Improves productivity and reduced maintenance costs.
• Air lines won’t corrode; no need to drain or purge.
• Pneumatic equipment runs at peak efficiency.
• Increases service life of air tools, motors and cylinders.
• Improves both product and process quality.
• Pneumatic instruments and controls operate reliably.
• Painting/finishing operations quality is improved.
Here’s how:
The adsorption principle used in this design is simple, robust and flexible. Continuous drying is accomplished
by the operation of two desiccant towers. Compressed air is dried through one tower while the other
desiccant tower is being regenerated. The regeneration heating cycle of the desiccant is accomplished using
a small flow of dry compressed air, heated by an external electric (or steam) heater. The regeneration cooling
cycle is performed using a small flow of dry compressed air taken from the dryer outlet to ensure dew point
performance.
Features
• Carbon steel inlet and switching valves with Teflon seat
and double-acting pneumatic actuator.
• Constant pressure dew point of -40°F (-40°C) PDP.
• Fully automatic, interlocked operation controlled by PLC
on a fixed 8 hour NEMA time cycle.
• Dryers operate between zero and full rated capacity without
adjustment.
• Electric heater with low watt density incoloy sheath elements.
• Energy efficient temperature controlled heating and
cooling cycles.
• Separate low and high voltage control panels. (SDE-820 and up)
• Heater housing and hot air lines are insulated to conserve
utilities.
• Dryer cycling, blower and heater are totally interlocked
with the controls to eliminate the possibility of system
malfunction.
• NEMA 12 electrical class.
• Designed in accordance with ASME VIII Div. 1. and
ANSI 31.1
Other approvals on request.
Options
• Filters mounted option with three valve bypass.
-Models SDE-400 to SDE-650 filters and
bypass valves are mounted on the dryer skid.
-Models SDE-820 to SDE-3500 (Piping
between dryer and filter skid to be provided by installer.)
-6-Valve and 9-Valve bypass are also available.
• Dew point Dependent Switching (DDS) system for full
operational economy and energy management.
• Electric/Steam regeneration heater.
• Rigid copper control air tubing.
• Rigid stainless steel control air tubing.
• Consult Sullair for additional options.
PLUS a 5 Year Warranty
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