Properties
Application
The WT 20.5 water trap is installed in the sampling system directly upstream of the gas analyser. It reliably protects the analyser from condensate and fine dust even in case of failure of upstream components such as coolers, pumps or filters. When filled it interrupts the gas flow and provides an alarm
signal via the upstream flowmeter. Typical applications include emission monitoring of fossil and renewable fuels, biogas plants, process and ambient air monitoring as well as industrial use in cement, glass, steel and paper plants and in engine monitoring.
Technology
The WT 20.5 uses a semipermeable SUN-C membrane® that separates gases from liquids and particles. It reliably retains condensate and dust while allowing undisturbed gas flow. The housing is made of chemically resistant material and features a compact design that can be easily integrated into existing systems. The unit is tested for high leak tightness and certified for use in explosive atmospheres.
Functions
The water trap provides several protective functions within the measurement system. It acts as the final safeguard before the analyser and prevents condensate or dust particles from reaching the measurement cell. Once the membrane is saturated the gas flow is securely shut off and an alarm is
generated through the upstream flowmeter. This ensures protection of the analyser and reliable operation of the measurement. The tested and certified design adds an additional level of safety for use in demanding environments.
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