FCV for Onshore Use / Level Switches ■Vertical changes in the liquid level (❶) of the process uid are detected by the oat (❷). When this liquid level reaches a certain level, it is transmitted by the magnetic force of the permanent magnet (❺) to the switch mechanism (❹) installed outside the airtight tube (❸), which drives the switch (❻) to convert the liquid level of the process uid into an electrical contact signal. ■The switch unit is completely shut off from the process uid by an airtight tube, eliminating leakage to the outside and ensuring safety. ■By optimally selecting materials for the pressure-resistant parts that come in contact with the liquid, such as the main body (❼) and oat (❷), it can be used with any uid, including high-temperature uids, seawater, acids, and alkalis. Connection Type Application Overview and Principles Boiler drum water level/feedwater heater drain water level/water, seawater, oil tank liquid level/generator system oil level, oil water monitoring/etc. External ball type, side–bottom style External ball type, top‒bottom style Internal ball type, side-flange style Internal ball type, top-flange style Displacement type, top-flange style This gure shows the NS287-71-SIS socket welding type. ❶ ❷ ❸ ❹ ❺ ❻ ❼ Switch Part Pressure-resistant Part Nakakita has delivered tens of thousands of our level switches for alarm and control of various equipment used in various industrial fields, such as power, oil, and other energy infrastructures and ships. We design and provide the most suitable level switches individually for our customer's operating conditions. The switch unit uses a simple mechanism that combines a permanent magnet and a microswitch, and the oat is manufactured using advanced manufacturing techniques to ensure high reliability and durability. 17 NAKAKITA FCV PRODUCT CATALOG
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