Deskripsi
Magnetic Bypass Level Indicator
Barksdale BNA‑S22‑DN25‑3000 is a magnetic bypass level indicator from the BNA‑S22 series, designed for continuous liquid level measurement in tanks and vessels. It has a DN25 side connection and a measuring length of 3000 mm, making it suitable for industrial, marine, and process applications where internal measurement is not possible.
BNA‑S21/S22 series:
- Type: Magnetic Bypass Level Indicator
- Model: BNA‑S22
- Part Number: BNA‑S22‑DN25‑3000
- Series: BNA‑S21 / S22
- Brand: Barksdale
- Manufacturer: Barksdale GmbH
Product Overview:
The BNA‑S22 is a mini bypass level indicator with side process connections (DN25). A float inside the bypass tube rises and falls with the liquid level, and its magnetic field drives an external indicator rail. This provides a clear, continuous, and maintenance‑free level display. The 3000 mm version is the maximum one‑piece length available.
Specifications:
| Feature | Specification |
|---|---|
| Measuring Length | Up to 3000 mm (this model = 3000 mm) |
| Process Connection | DN25 side connection (flanged or threaded) |
| Bypass Tube | Stainless steel 1.4571 (SS 316Ti), Ø 40 × 1 mm |
| Max Pressure | 16 bar (PN16) |
| Max Temperature | 150 °C (with SS float) |
| Float Options | Stainless steel, Titanium, or Buna‑N |
| Min. Medium Density | 0.75 – 0.85 g/cm³ (depending on float type) |
| Approvals | ATEX, TR CU, Marine class (Lloyd’s, BV, GL, RINA) |
| Accessories | Magnetic switches, transmitters, scales |
Dimensions & Weight:
- Length: 3000 mm (measuring tube)
- Tube Diameter: 40 mm
- Connection: DN25
- Weight: ~8 – 12 kg (depending on float and accessories)
Applications:
- Chemical and petrochemical tanks
- Shipbuilding and marine tanks
- Water treatment plants
- Food & beverage process tanks
- Energy and power plant vessels
- Situations where internal level measurement is not possible
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