Deskripsi
Mechanical Flow Switch
Barksdale BFS‑10‑N‑G1/2‑MS‑WE‑ST is a mechanical flow switch from the BFS‑10 series, designed for monitoring water and other compatible fluids. It uses a variable area flow meter principle with a spring‑loaded piston and magnetic coupling to actuate a switch. The “MS” indicates brass housing, “WE” indicates with electrical contact, and “ST” indicates standard version.
Type / Model / Part Number:
- Type: Mechanical Flow Switch
- Model: BFS‑10‑N
- Part Number: BFS‑10‑N‑G1/2‑MS‑WE‑ST
- Series: BFS‑10 (N = without optical display, O = with display)
- Brand: Barksdale
- Manufacturer: Barksdale GmbH
Product Overview:
The BFS‑10‑N is a compact mechanical flow switch for monitoring low to medium flow rates. It is based on a spring‑loaded piston inside a measuring tube. Flow lifts the piston against the spring, and a magnetic coupling actuates a reed switch externally. It is widely used in cooling circuits, lubrication systems, and water treatment.
Specifications:
| Feature | Specification |
|---|---|
| Measuring Range | 0.005…0.06 l/min up to 60…150 l/min (depending on version) |
| Connection Size | G1/2 (BSPP female) |
| Housing Material | Brass (MS = Messing) |
| Wetted Parts | Brass, stainless steel, ferrite magnets |
| Operating Pressure | Up to 300 bar (brass), 350 bar (stainless steel) |
| Operating Temperature | Standard: up to 100 °C; High‑temp option: up to 160 °C |
| Switching Accuracy | ±10% of full scale |
| Electrical Connection | DIN EN 175301‑803 plug (DIN 43650C) |
| Contact Rating | 200 V / 1 A / 20 VA (typical) |
| Protection Class | IP65 (with connector) |
Dimensions & Weight:
- Length (L): ~90 mm
- Width (B): ~30 mm
- Height (H): ~30 mm
- Weight: ~0.4 – 0.6 kg
Applications:
- Cooling water monitoring (machine tools, welding systems)
- Lubrication circuits
- Industrial water treatment
- Hydraulic and pneumatic systems
- Process safety interlocks
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