SENSECA
Honsberg - FF Series Flow Switch
Piston
The Honsberg FF series flow switch is a simple unit which indicates when a specific flow rate has been acheieved. The basic operation of the switch is when the volume flow raises a piston (fitted with a magnet) out from a valve seat which is against a spring force and when the specificed flow rate is achieved the piston actuates an hermetically separated reed switch. The FF is designed for horizontal inwards flow; switching head not recommended underneath; other installation positions are possible; the installation position affects the switching point and range.
*The switch point must always be specified/factory-set item
- Adjusted switching value
- Highly reproducible
- Insensitive to dirt
- Adjustment for oil or gas
- Special values
- Switching Range 0,4..90 l/min H₂O
- Water (oils on request)
- G¼ up to G1½
- Bronze, brass, stainless steel, ferrite & NBR
- Pressue range from 16 bar up to 200 bar
Selected variant
Technical data
| Accuracy | ± 3% of reading value, but at least ± 0.3 l / min |
|---|---|
| Connection type | Internal thread, G ¼ " |
| Contact rating max | 50 VA |
| Electrical connection | 1.5 m fused cable |
| Flow max | 10 l/min |
| Flow range max | 9 l/min |
| Flow range min | 0.4 l/min |
| Function | Flask, reed contact |
| IP class | IP65 |
| Material flask | Stainless steel 303 |
| Material of body | Nickel-plated brass |
| Material of connection | Bronze |
|---|---|
| Material of seals | NBR |
| Material spring | Stainless steel 301 |
| Pressure drop | Approx. 0.4 bar at maximum flow |
| Pressure range max | 200 bar |
| Temperature of media to | 110 °C |
| Type of flow component | Flow Switches |
| Weight | 0.6 kg |
| Viscosity max | 1 cSt |
| Voltage ac max | 230 V |
Product description
The Honsberg FF series flow switch is a simple unit which indicates when a specific flow rate has been acheieved. The basic operation of the switch is when the volume flow raises a piston (fitted with a magnet) out from a valve seat which is against a spring force and when the specificed flow rate is achieved the piston actuates an hermetically separated reed switch. The FF is designed for horizontal inwards flow; switching head not recommended underneath; other installation positions are possible; the installation position affects the switching point and range.
*The switch point must always be specified/factory-set item
- Adjusted switching value
- Highly reproducible
- Insensitive to dirt
- Adjustment for oil or gas
- Special values
Ordering information
*The switch point must always be specified/factory-set item
- Specify direction of flow, medium, and switching point.
- For oils, state viscosity, temperature and designation (e.g. ISO VG 68) (enquire about range).
- For gases, state pressure (relative or absolute), temperature and medium (e.g. air) (enquire about range).
Installation
- Include straight calming section of 5 x DN in inlet and outlet.
- If the media are dirty, install a filter (use magnetic filter for ferritic components).
- It must be ensured that the values given for voltage, current, and power are not exceeded.
- When switched on, a load must be connected in series. The electrical details apply to ohmic loads. Capacitive, inductive and lamp loads must be operated using a protective circuit.
- Standard: horizontal inwards flow; switching head not recommended underneath; other installation positions are possible; the installation position affects the switching point and range.
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