Semiconductor Manufacturing Process

A hot water supply system for ultra-pure water that is ideally suited for point-of-use for rinsing of silicon wafers and glass substrates of liquid crystal displays.

Features

  • Clean
    Heating vessels through which water-flow and all plumbing pipes are respectively made of high-purity quartz glass and fluorocarbon polymer.
  • Compact
    Slim and compact unit requires minimal foot print for installation at the point of use.
  • Excellent temperature control
    High power of halogen lamps quickly raise the temperature and adjust it in response to variations in the water flow rate.
  • High efficiency
    Efficiency with than 95%.
  • Safety
    Optimum operational safety is provided through displays and sound alarms against abnormal conditions such as overheating, uncharged heating, excessive pressure and leakage of water.

Specification

Model PWH-24i PWH-48i PWH-72i PWH-96i PWH-144i
Heating method Radiation heating with near infrared rays
Heater wattage 24kW 48kW 72kW 96kW 144kW
Standard flow rale(at 55℃) 6L/min. 12L/min. 18L/min. 24L/min. 36L/min.
Minium heating flow rate 2L/min. 5L/min. 10L/min.
Temperature setting range 25to85℃
Temperature control accuracy ±1℃
Flow meter indication range 0to10L/min. 0to50L/min.(Not the guaranteed range of temperature control accuracy)
Heater Halogen lamp. Indirect heating without direct contact with water
Heating vessels material High-purity transparent quartz
Wetted materials of the piping Fluorocarbon polymer
Safety functions Water temperature over-rise,boil-dry,water leakage,sensor disconnection,and lamp breakage.Operation stop,alarm,indication when abnormality is detected.Alarm output via open collector 
External communication function RS-232C/RS-485(option)
External input/output function 8-input/14-output signal(Varies depending on specification)
Overall dimensions(mm) W340×D850×H1384 W340×D850×H1384 W340×D850×H1584 W340×D850×H1986 W340×D850×H2004