Dehumidification Units, Air Dryers, & Desiccant Air Conditioners

Ellis & Watts designs, qualifies, manufactures, and tests dehumidification units, air dryers, and desiccant air conditioners to deliver and maintain airflow at temperature and humidity levels unachievable with conventional air conditioning systems.

More specifically, Ellis & Watts dehumidification systems can be designed to - CLICK TO SEE FULL LIST

  • supply extremely dry air
  • provide analog, relay-based controls to address qualification, cyber security, or EMI/RFI concerns or digital control systems
  • utilize a variety of dehumidification technologies to optimize efficiency, reliability, and life-cycle cost objectives
  • operate in extreme ambient temperatures
  • utilize various materials of construction to optimize structural integrity, corrosion resistance, weight, and cost
  • meet stringent air pressure and leakage requirements
  • meet seismic qualifications per IEEE 344
  • meet environmental qualifications per IEEE 323
  • address power supply and controls needs
  • address hazardous duty applications (explosion proof)
  • meet EMI/RFI levels, proven through verification testing
  • accommodate portable or mobile designs, including shock and vibration isolation
  • document performance compliance and assure proper operation through factory testing at full and part-load conditions
  • operate as a self-contained package or a split system
  • address transportation, rigging, and installation constraints with modular construction

Ellis & Watts understands that some projects require strict code compliance and has the demonstrated ability to conform to the following codes, among others - CLICK TO SEE FULL LIST

  • ASME NQA-1
  • 10CFR50 Appendix B
  • Heat Exchangers to ASME Section VIII or ASME Section III
  • Compressors to ASME AG-1 Section RA
  • Coils (Refrigerant & Electric) to ASME AG-1 Section CA
  • Fans to ASME AG-1 Section BA
  • Motors to ASME AG-1, IEEE 323, IEEE 334, IEEE 344, and NEMA MG-1
  • Motor wiring to IEEE 383
  • Motor insulation to IEEE 117
  • Filters to ASME AG-1 Section FB & FC
  • Filter Mounting Frames to ASME AG-1 Section FG
  • Dampers to ASME AG-1 Section DA
  • UL 555 for Smoke and Fire Dampers
  • Damper Actuators to IEEE 382
  • Housing to ASME AG-1 Section HA
  • Instruments to ASME AG-1 Section IA
  • Compliance to IEEE 7-4.3.2 Standard Criteria for Digital Computers in Safety Systems of Nuclear Power Generating Stations
  • Compliance to IEEE 603 Standard Criteria for Safety Systems for Nuclear Power Generating Systems
  • Compliance to IEEE 1012 Standard for Software Verification and Validation