Siemens QVE1901 Flow Switch
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Flow Switch
SIEMENS QVE1901 flow switch for HVAC systems, suitable for liquids, air, and gases, with PN25 rating, IP65 protection, and adjustable NO/NC contact.
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SIEMENS QVE1901 Flow Switch
The SIEMENS QVE1901 is a reliable flow switch designed for monitoring liquid flow in HVAC systems. It ensures accurate detection of flow conditions across a wide range of media and supports safe system operation in industrial and building automation applications.
Manufacturer: SIEMENS
Type: Flow Switch
MNR: QVE1901
Code: 120511A
| Application | Flow Monitor Of Liquid Medium In HVAC Plants |
| Media Monitored | Liquid, Air, Gas, Water |
| Contact Load / Switching Capacity | Max. AC 230 V, 1 A, 26 VA |
| Max. DC 48 V, 1 A, 20 W Nominal Pressure | PN25 |
| Contact Type | Manual Setting (NO / NC) |
| Housing | IP65 / Protection Class II |
| Body Material | Brass CW614N |
| Paddle / Sleeve | PPE+PS NorylTM 30% Reinforced Fiberglass / Stainless Steel |
| Field Of Use | Suitable Media All Liquids |
| Piping Diameter | DN 20 / 200 |
| Operation And Storage Temperature | -20 To 80 °C |
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