Flow direction switch for compressed air / gases
The thermal mass flow direction switch S 409 allows the detection of an existing flow and the direction of the flow. It can be used in compressed air and non-corrosive gases.
The sensor element is very robust and completely of stainless steel. Through a 1/2” G-type ball valve the switch can be inserted into the pipe under pressure.
The flow and direction information is output through 2 normally open relay switches. This signals can be transferred to the SUTO flow sensor to activate and deactivate the flow measurement depending on the flow direction.
Product features
Detects smallest changes No mechanical wear parts
Easy installation under pressure
All parts which are in contact with flow medium are made of stainless steel
Technical data
| Technical data S 409 | |||||
|---|---|---|---|---|---|
| Detection range | 0.02 … 25 m/s @ 7barg, 20 °C | ||||
| Sensor | 2 x Pt 1000 | ||||
| Medium | air, gases | ||||
| Medium humidity | <100% (no condensation) | ||||
| Medium temp. | -20 … 80 ºC | ||||
| Ambient temp. | -20 … 70 ºC | ||||
| Operating pressure | 0 … 16 bar | ||||
| Power supply | 24 VDC, 60 mA | ||||
| Output | 2 x Relay, 60V, 1A | ||||
| Process connection | 1/2” G type | ||||