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the entire valve unit usually requires replacement
This flexible coupling element is designed to absorb significant shock loads and mitigate angular and parallel shaft misalignment
making it a standard OEM replacement part
allowing for simultaneous monitoring of high and low pressure conditions
The unit includes sealed ball bearings
Siemens Building Technology QFM2100 Sensor 30067439-890 the entire valve unit usuallyThe Siemens Building Technology QFM2100 Sensor is a professional grade duct relative humidity sensor designed for accurate integration into commercial HVAC and ventilation systems. Engineered for high stability monitoring, this unit provides a precise 0 10Vdc output signal corresponding to 0 100% relative humidity. It serves as an essential component for building automation systems (BAS), ensuring optimal indoor air quality and moisture control. As a
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