Eletta (Beijing) Instruments Co., Ltd.
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Eletta - Model Type III -VA Flow Switches
The Flow Switch is able to fit small flow and line sizes. These switches work on the principle of variable flow area where the alarm switch point is allowed to bet set at a very low flow and still the switch is capable of handling large flows without creating a large pressure drop.
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- Rugged and sturdy design
- Insensitive to magnetic fields
- Simple and economical installation
- One adjustable SPDT micro switch for flow alarm
- Can be mounted horizontally or vertically
- Can be used in any liquid
- Function based on flow and not affected by the static line pressure
- Flow range: 0 – 3,5 m/s. Max flow limited by pump capacity and acceptable pressure drop
- Min switch point: 1,5 l/min
- Max. switch point: 30 l/min
- Wetted materials: De-zincificated copper alloy, stainless steel 316 and PTFE
- Rubber parts: Nitrile (HNBR)
- Max. pressure: 25 bar (363 PSI)
- Process connection: DN15 (BSP1 1/2”) female; DN20 (BSP 3/4” ) male
- Alarm one (1) micro switch contact, adjustable to trip within the above mentioned min/max switch point