Flow
VH501 Flow Switch
The SIKA VH501 flow switch monitors the flow of low-viscosity media in pipes. The SIKA VH501 offers a reliable solution for ensuring the minimum flow rate and thereby protecting high-quality systems and installations from damages. These flow switches work based on the well- established mechanical operating principles. Thanks to the different paddle lengths, the switch points of the paddle flow switches can be configured for a wide switching range.
| Insertion installation into pipes | DN 65...DN 100 (DN 25...DN 50 on request) |
|---|---|
| Setpoint | Flanged version 6 m³/h at increasing flow for DN 65 pipes |
| Setpoint | Threaded version 10 m³/h at increasing flow for DN 80 pipes |
| Pressure rating (Test pressure) | Max. 10 bar (14 bar) |
| Thread connection | Flange, oval, 2/4 holes without O-ring groove |
| Vibration proof IEC61373 | 4g |
| Medium temperature | -40...120 °C |
| Electrical connection | Direct cabeling, QC terminals 2.8 x 0.5 mm |
| Change over contact | 48 VDC, 1 A resistive load |
| Protection | IP68 and IP69K |
The SIKA VH501 flow switch monitors the flow of low-viscosity media in pipes. The SIKA VH501 offers a reliable solution for ensuring the minimum flow rate and thereby protecting high-quality systems and installations from damages. These flow switches work based on the well- established mechanical operating principles. Thanks to the different paddle lengths, the switch points of the paddle flow switches can be configured for a wide switching range.
The flowing medium hits the plate secured to the end of a paddle. The resulting dynamic pressure causes the paddle to travel. This, in turn, causes the actuation of a micro switch. The flowing medium hits the plate secured to the end of a paddle. The resulting dynamic pressure causes the paddle to travel. This, in turn, causes the actuation of a micro switch.
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Bart de Haan
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