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Get couponsIn the sealed non-magnetic stainless steel is equipped with a dry reed tube, the floating ball is equipped with an annular magnetic ring, the floating ball moves with the rise or fall of the liquid level, thus triggering or releasing the magnetic reed switch in the stainless steel tube, sending a switch signal.
Can be installed at the top or bottom, compact and firm structure, reliable performance, good repeatability, long life, high temperature resistance.
Used for liquid level measurement of stainless steel float density ≥0.75g/m³ ; NBR float density < 0.75g/m³
- Maximum pressure: 5bar
- Medium temperature: -10℃ ... 130℃ (can be customized high temperature)
- Contact type: Dry reed switch
- Protection grade: IP65
- Material:stainlesssteel


| LF20D - | A | A | 250 | N | 500 | F | A | D | X | B | specification | ||||
| LF20D - | LF20D Series Float Level Switch |
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| A | Normal temperature (0-100℃) | ||||||||||||||
| B | High temperature models | ||||||||||||||
| A | monosfera | ||||||||||||||
| B | Multi-ball | ||||||||||||||
| L1 | Measuring range: specially customized L1= mm |
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| 250 | Measuring range: 250mm | ||||||||||||||
| 500 | Measuring range: 500mm | ||||||||||||||
| R | Normally open + normally closed (single ball optional) |
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| N | normally open | ||||||||||||||
| F | normal close | ||||||||||||||
| L2 | Measurement range: special custom L2= mm |
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| 500 | Measuring range: 500mm | ||||||||||||||
| 750 | Measuring range: 750mm | ||||||||||||||
| N | normally open | ||||||||||||||
| F | normal close | ||||||||||||||
| A | stainless steel ball | ||||||||||||||
| B | NBRball | ||||||||||||||
| Custom float | |||||||||||||||
| D | flanged joint | ||||||||||||||
| G | G1 female thread connection | ||||||||||||||
| X | Installation connection material: stainless steel |
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| L | Installation connection material: alumina |
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| B | Hirschman | ||||||||||||||
| C | M12 connectors | ||||||||||||||
| * The type selection table is only for technical selection, and the corresponding type of the factory model is reflected by the code. |
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Shanghai Kayuan Electronic Technology Co.,Ltd is an enterprise specializing in the production and R & D of industrial sensors and controllers. Its main products include switches and sensors for flow, pressure, temperature, and liquid level. Float Type Liquid Level Switch-LF20D Suppliers in China.
In 2008, our assembly plant was established in Shanghai China,PAKU INTELLIGENT EQUIPMENT(SHANGHAI)CO.,LTD a subsidiary of Kayuan to produce the PAKU series of products. As Float Type Liquid Level Switch-LF20D Factory, PAKU products are now widely used in different industries, including automation complete sets of equipment, petroleum equipment, chemical equipment, power equipment, welding equipment, steel equipment, metallurgical equipment, automobiles, and water treatment. We adopt advanced technology and manufacturing processes across the board. With our professional design and production technology, comprehensive product lines, excellent quality, and sales network services, we can not only provide users with timely and professional technical support but also offer high - quality one - stop services.
We have served many customers at home and abroad, and offer Float Type Liquid Level Switch-LF20D Wholesale, our products are sold to countries such as Canada, the United States, Brazil, Indonesia, Vietnam, Thailand, and Russia. We welcome extensive cooperation with OEM and ODM customers.