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Flow switch for liquids into pipes Siemens QVE 1902.020 DN 20. More information
Delivery to Belgium (days are avarages)
DHL Express: 1.2 workdays, € 16,94
| Connection size | G3/4" |
| Connection Type | Internal thread |
| Flow | 4.8 m3/h |
| IP Rating | IP 65 |
| Measurement range | 0.414-0.504 m3/h |
| Pressure | 10 bar |
| Temperature | 100 °C |
| Weight | 0.32 kg |
Catalog sheet download
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Instructions download
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Declaration download
Download PDFFlow switch designed for pipes with a size of DN 20. It requires no maintenance. It can be manually set to either make or break the circuit. The system pressure should not exceed 10 bar. Monitors flow in hydraulic systems - in heating systems, with cooling devices, and heat pumps.
A calming section with a length of 10 times the pipe diameter must be present before and after the location where the switch is installed. The arrow on the switch body should point in the direction of flow during installation. Installation should be carried out in a horizontal or vertical position.
It is suitable for all liquid media except ammonia. Greases and oils are not suitable for sealing during installation.
We respond to your product queries as quickly as possible, usually within 24 hours.
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