Paddle Type Flow Switch Threaded

Threaded Paddle Type Flow Switch is a mechanical flow detection device designed to monitor liquid movement inside pipelines and generate an electrical signal when flow is present. It is commonly used in fire protection and water-based systems where immediate flow detection is required.

The flow switch device operates with an internal paddle inserted into the pipeline. When fluid flows through the pipe, the paddle is displaced, activating an internal microswitch and transmitting a signal to connected control or alarm systems.

With its threaded connection design, the unit provides easy installation and secure mounting for small to medium pipe sizes. Its compact structure ensures reliable operation, fast response, and long-term durability in continuous monitoring applications.

General Specifications

• Type: Paddle Type Flow Switch
• Connection Type: Threaded (BSP / NPT)
• Operating Principle: Mechanical paddle with microswitch activation
• Function: Flow detection and signal transmission
• Installation: Horizontal or vertical mounting

Electrical Specifications

• Contact Rating:
• 10A / 125 VAC
• 2.5A / 24 VDC
• Output Type: Dry contact (NO/NC configurable)

Operating Conditions

• Max Working Pressure: 21 bar (300 PSI)
• Operating Temperature: +4.5°C to +50°C
• Minimum Flow Rate: approx. 38 L/min
• Fluid Type: Clean water and similar liquids

Application Areas

Threaded Paddle Type Flow Switch is ideal for systems requiring reliable flow monitoring:

• Fire sprinkler systems
• Fire protection pipelines
• Pump control systems
• Water distribution lines
• HVAC circulation systems