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SIEMENS Water Flow Switch SQL321B25 Industrial Flow Control Switch
Product Details
Product Overview
The SIEMENS SQL321B25 Water Flow Switch is a high-precision process control component designed for reliable liquid flow detection in industrial, HVAC, and commercial water systems. It delivers accurate on/off signal output when flow rate reaches the preset threshold, supporting system safety and automated control workflows.
Key Features
- Original SIEMENS quality, compliant with strict industrial performance standards
- Reliable paddle-type flow detection for water and compatible liquid media
- Stable electrical contact output for seamless integration with control systems
- Compact, robust housing for long service life in harsh industrial environments
- Easy installation and maintenance, suitable for new installations and replacement use
Specifications
| Parameter | Value |
|---|---|
| Model | SQL321B25 |
| Brand | SIEMENS |
| Product Type | Water Flow Switch |
| Suitable Medium | Water, compatible low-viscosity liquids |
| Connection Size | 1 inch (DN25) |
| Contact Rating | SPDT, resistive load compatible |
| Operating Temperature Range | -10°C to 80°C (medium) |
| Protection Class | IP54 |
Applications
This flow switch is widely used in HVAC systems, industrial water circulation loops, cooling water circuits, boiler feed water systems, liquid processing lines, and automated process control systems that require flow monitoring and safety interlock functions.
Package Contents
- 1 x SIEMENS SQL321B25 Water Flow Switch
- 1 x Mounting Accessory Kit
- 1 x Product Instruction Manual
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