StylAir's SEH Series Heated Purge Desiccant Dryers
StylAir SEH model dryers are external heat regenerated, twin-tower desiccant dryers designed to
remove water vapor from compressed air and gas streams to a pressure dewpoint of -40°F and
lower.
Heated Purge dryers are preferred in many applications for their simple, reliable design while
maintaining the economy of operation of a heat regenerated dryer. StylAir SEH dryers typically use
less than half the purge of a heaterless dryer. A continuous flow of dry air or gas is provided to
eliminate moisture and contaminants found in all air and gas systems.
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Standard Features
- -40°F line pressure dewpoint
- ASME Code desiccant vessels
- NEMA 8 hour cycle, fully automatic operation
- Fail safe operation: continuous flow on loss of power or control air
- Non-lubricated valves
- Tower pressure gauges on all models
- Digital temperature control and indication for regeneration
- Counter-current regeneration for best dewpoint
- Integral cool down step to prevent dewpoint and temperature spikes at switchover
- Gradual blowdown and repressurization for long desiccant life
- ASME relief valve on outlet manifold
- Full charge of desiccant
- Heavy duty angle and channel support base
- NEMA 4 electrical construction
- SCR solid state heater control
- Cycle Failure Alarm
- 120V/1Ph/60Hz operation
- On-Off switch with Power-On light and sequence lights
- LED pilot lights
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Optional Features
- -70°F to -100°F and lower line pressure dewpoint
- Purge Rate Flowmeter - included on larger models
- Dewpoint Demand Systems
- NEMA 4X, 7 electrics
- Entrainment Separators
- Coalescing Prefilters
- Afterfilters
- Mounted filters, manual bypasses
- Dewpoint monitors and alarms
- Color change dewpoint indicator
- Steam heat regeneration
- Special designs available for flows to 30,000 SCFM and pressures to over 5000 PSIG
- Construction for corrosive environments, hazardous locations, off-shore
installations
- Optional voltages
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