Announcing the NEW Walchem W900 series controller. The next generation controller with online access and expandable I/O for flexible control of cooling towers, effluents, boilers, pH/ORP, conductivity and disinfection systems. Connect with the Walchem W900 Series controllers and enjoy unparalleled versatility in maintaining your water treatment systems
David - Managing Director
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New Walchem W900 series controller
  • Large icon based touchscreen
  • Universal sensor input provides extraordinary flexibility
  • Four I/O slots - complete sensor, analog I/O flexibility
  • 8 relay control outputs allow use in multiple applications
  • Complete flexibility in the function of each relay
  • Wall-mount package for easy installation + panel builds
  • Ethernet option: internet, LAN, or optional Modbus/ TCP
  • Data logging, email alarms/ system reports
Industrial process controllers

• Cooling tower • Industrial boiler • pH/ ORP/ conductivity
• Effluent treatment • Waste water • Ni/ Cu plating
• Disinfection

Industrial electrodes

• pH/ ORP • Conductivity • Dissolved oxygen
• Peracetic acid • Free chlorine • Chlorine dioxide
• Fluorometer • Ozone

Iwaki chemical dosing pumps

• ES series (low cost) • EJ series (weather proof/low cost)
• EWN-R series (analog/digital/proportional control)
• EWN-R-CH series (chlorine dioxide delivery)
• EHE series (larger capacity 75 l/hr)
• IX series (weatherproof high capacity 300 l/hr)
• Posiflow (pump flow verification)

Process accessories

• Custom builds • Chemical storage tanks/ bunds
• Chemical logbook • Tank level sensors • Solenoid valves
• Water meters • Brominators/ chlorinators
• pH/ ORP simulators • pH/ conductivity buffers/ standards
• Corrosion racks • Biocide timers