Medium Pressure-High power, small footprint

Medium Pressure

Medium Pressure


Medium Pressure Mercury lamps are available in a wide range with an arc length between 10 and 140 centimeter. The lamps can be fitted with various types of end fitting from our catalogue, or equipped with customer special fittings, cables or pins. The lamps are made from selected types of quartz glass, with transmission characteristics tailored to the application.Medium Pressure Mercury lamps contain sophisticated quantities of mercury bromides, providing a self-cleaning halogen cycle, to control the depreciation of UV radiation over lamp life.


Security of effective disinfection over the complete lifetime of the lamp
High system efficacy because it is not required to over-design the purification system to maintain effectiveness of disinfection
The unique P3 technology allows for more design freedom, longer lamp life, better lifetime reliability (reduced early failures) and better performance
Lamps can be custom made


Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection
Precisely dosed quantities of mercury bromides providing a self-cleaning halogen cycle to ensure constant UV output over the complete lifetime of the lamp
Available with patented P3 (Philips Pinch Protection) technology to secure optimal lifetime behavior including higher heat tolerance on the pinch
HOK /80 and /120 lamps can be loaded up to 80 and 120W respectively per cm of arc length
Horizontal burning position +/-10°
Different dimensions available on request


A choke and ignitor can be used at up to 2 kW lamp power
A transformer-type circuit is required for lamp powers over 2 kW
Information on electronic drivers available on request


Deactivation of bacteria, viruses and other micro-organisms
Water treatment (waste-, drinking- or process water)
Surface treatment
Advanced oxidation (with special quartz glass)
Ship ballast water treatment
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