Pressure instrument
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Address: Building 10, Zhonglian Industrial Park, Zhongbei Town, Xiqing District, Tianjin
Telephone:+86-22-59958977
Mailbox:350332639@qq.com
BNA Series Magnetic Flip-Plate Level Gauge/Level Indicator
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Key words:
- Product Description
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- Commodity name: BNA Series Magnetic Flip-Plate Level Gauge/Level Indicator
- Commodity ID: BNA
The BNA-type magnetic flip-plate level gauge/level indicator features a simple, robust, compact, and durable design. It offers a variety of bypass chamber and float materials, with the magnetic display element clearly indicating the liquid level—no external power source is required. Thanks to its use of corrosion-resistant materials, this product can be applied across numerous industrial sectors.
Application
- Flip-column display, no external power supply required
- Year-on-year display of liquid level
- Customized design and corrosion-resistant materials are available, making it suitable for a wide range of industrial applications.
- Chemistry, petrochemicals, oil and gas drilling (offshore platforms), shipbuilding machinery manufacturing, power equipment, power plants, and more
- Water treatment for process industries and the drinking water sector, as well as the food industry, pharmaceuticals, and more.
Functional Features
- Custom designs can be provided to meet process and system requirements.
- Operating conditions:
- Operating temperature: T = -200 … +538°C
- Operating pressure: P = vacuum up to 42.0 MPa
- Medium density: ρ ≥ 200 kg/m³ 3
- Interface measurement (specific gravity difference ≥ 48 kg/m³) 3 ）
- Different process connections and materials are available.
- Optional level transmitters and magnetic switches are available.
- Explosion-proof design
- Accuracy levels: ±5mm or ±10mm optional
Features
The BNA-type magnetic flip-plate level gauge/level indicator consists of a bypass chamber, a float, and a magnetic display element. The bypass chamber is connected to the tank via at least two process interfaces (flange, thread, or welded ends), allowing the liquid level inside the tank to be introduced at the same height. The float is positioned inside the chamber, floating freely on the liquid surface; it contains an internal permanent magnet whose magnetic field can pass through the bypass chamber’s wall, triggering the magnetic display elements mounted externally to flip—thus providing a non-contact indication of the liquid level height. The magnetic display elements are made of either bicolor plastic flip columns or stainless steel flip plates, arranged closely together at 10 mm intervals.
The permanent magnet in the float of the magnetic flip-plate level gauge/level indicator generates a magnetic field that can penetrate the bypass chamber's tube wall, triggering the display element to flip 180°. When the liquid level rises, the color changes from white to red; when the level drops, it reverses from red to white. Thus, the magnetic flip-plate level gauge/level indicator can clearly indicate the liquid level inside the tank without requiring an external power source.
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