Siemens QVE1900 Series Flow Switch Flow Switch for Fluid, Liquid, 1.3 m3/h Min, 94.2 m3/h Max

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2 842,14 kr

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RS-artikelnummer:
287-8747
Tillv. art.nr:
QVE1900 / BPZ:QVE1900
Tillverkare / varumärke:
Siemens
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Brand

Siemens

Media Monitored

Fluid, Liquid

Device Type

Flow Switch

Minimum Flow Rate

1.3 m3/h

Maximum Flow Rate

94.2 m3/h

Supply Voltage

250 V ac

Minimum Media Temperature

-20 °C

Maximum Media Temperature

+120°C

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

+85°C

Series

QVE1900

Current Rating

15 A

COO (Country of Origin):
IT

Siemens QVE1900 Series Flow Switch, 1.3 m3/h Minimum Flow Rate, 94.2 m3/h Maximum Flow Rate - QVE1900


This flow switch is designed specifically for monitoring the flow of liquids within hydraulic systems in HVAC applications. With a broad operating range, it efficiently monitors flows in pipes with diameters from DN 32 to DN 200. The robust device operates effectively between temperatures of -20°C and +120°C, contributing to its versatility in diverse environments.

Features & Benefits


• Monitors flow rates between 1.3 m³/h to 94.2 m³/h
• Adjustable switch-on/off values for precise operation
• Integrated microswitch offers a reliable changeover function
• High-temperature resilience up to +120°C ensures durability
• IP 65 rated for protection against dust and water ingress
• Simple installation facilitates quick integration into existing systems

Applications


• Utilised in refrigeration systems for effective flow monitoring
• Applicable in heat pump installations ensuring fluid circulation
• Ideal for use with boilers to enhance safety and efficiency
• Supports operation in heat exchangers, optimising thermal transfer
• Implemented in various industrial fluid monitoring systems

What is the significance of the adjustable switch-on/off values?


The adjustable switch-on/off values allow for precise calibration of flow detection, enabling adaptation to specific system requirements and optimising performance.

How does the design accommodate different pipe diameters?


The flow switch is compatible with a range of pipe diameters from DN 32 to DN 200, providing flexibility for various installation settings and enhancing its application versatility.

What materials are used in the construction of this device?


The flow switch features a brass screw-in body, high-grade stainless steel paddles, and a durable plastic cover, all contributing to its reliability in demanding environments.

What are the implications of the IP 65 rating?


An IP 65 rating signifies excellent protection against dust and water, ensuring the device remains functional under harsh conditions and supporting long-term operational reliability.

Is the flow switch suitable for use with ammonia?


No, this flow switch is not suitable for ammonia and is designed for use with all other liquids, ensuring flexibility across various hydraulic applications.

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