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| The PVLNVNN differential pressure switch is a precision safety monitoring device designed for hydraulic control systems. It is mainly used to monitor the differential pressure changes in the fire-resistant oil system of the steam turbine to ensure the stability and safety of the steam turbine during operation. By accurately sensing the oil pressure difference at different locations in the system, the differential pressure switch can promptly issue an alarm or perform a preset protection action, effectively preventing equipment damage or shutdown accidents caused by abnormal oil pressure. |
| Working principle: The working principle of the pressure switch is based on the displacement of the elastic element. When the measured pressure exceeds or falls below the set value, the free end of the elastic element will be displaced. This displacement will push the switch element directly or through a comparison mechanism, thereby changing the on-off state of the switch element. This change in on-off state is the basis for the pressure switch to issue an alarm or control signal. |
| Product features: High-precision measurement: using advanced sensing technology and signal processing algorithms to ensure high accuracy and stability of differential pressure measurement, effectively avoiding false alarms and missed alarms. Strong reliability: using high-quality materials and advanced manufacturing processes, with good corrosion resistance, high temperature resistance and vibration resistance. Easy to install and maintain: reasonable structural design, easy and quick installation, reducing the user's use cost and maintenance difficulty. Multiple setting options: providing a variety of differential pressure setting ranges and action mode options, which can be flexibly configured according to the actual needs of users. |
| Application: Widely used in turbine hydraulic control systems in power, petrochemical, metallurgy and other industries. It is suitable for monitoring the changes in the differential pressure of fire-resistant oil in the turbine speed control system, lubrication system and protection system to ensure the safe and stable operation of the equipment under rated conditions. |
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