Key Features

• Standard G3/4 thread interface, widely compatible with mainstream industrial pipelines and fluid equipment
• Paddle wheel structure design, reliable mechanical induction for accurate flow detection
• 1.5-30L/min standard flow range, suitable for most medium flow liquid pipelines
• Made of high-quality PP and POM materials, wear-resistant and high temperature resistant
• Dual DC voltage support: 100VDC & 220VDC to match various DC control circuits
• N.O and N.C dual contact modes, flexible for diverse circuit design demands
• Two specifications of rated current and load: 0.5A(10W) / 1.5A(50W)
• Excellent high temperature resistance, operating temperature 80℃ ~ 120℃ for hot liquid scenarios
• Built-in intelligent module, stable performance as professional switching transducer
• Standard 350mm wire length, customized wire length available for different installation spaces
• Specially designed for liquid medium, targeted for water flow monitoring and control
• Compact integrated structure, easy installation and low maintenance cost
• Wide application for water pumps, heaters, automotive, HVAC and humidifier systems

Technical Specifications

Product Attributes

• Thread Size: G3/4
• Working Principle: Paddle Wheel Induction
• Flow Range: 1.5-30L/min
• Applicable Medium: Liquid
• Shell Material: PP + POM
• Temp Resistance: 80℃ ~ 120℃
• Working Voltage: 100VDC, 220VDC
• Contact Mode: N.O / N.C
• Current & Load: 0.5A(10W), 1.5A(50W)
• Signal Output: Switching Transducer
• Wire: 350mm, Custom Length Supported
• Smart Module: Equipped

Product Advantages

This G3/4 paddle wheel flow switch adopts mature paddle wheel induction technology, which can accurately detect liquid flow within 1.5-30L/min. The G3/4 standard thread is compatible with a large number of pipeline devices, bringing great convenience for installation and replacement. The whole body is made of PP and POM composite materials, which has strong high temperature resistance and can work stably in high-temperature liquid environments up to 120℃. It supports 100VDC and 220VDC dual voltages, and provides NO/NC two contact types as well as two current & load combinations, fully adapting to different DC circuit schemes. With built-in intelligent components, it realizes stable signal conversion and output. The standard 350mm lead wire can be customized in length to meet various layout requirements. The product has simple structure, stable operation and low failure rate, which is an ideal flow detection accessory for water pumps, heating equipment, automotive pipelines, HVAC systems and industrial humidifiers.

Applications

• Water pump and water heater flow monitoring and automatic control components
• Automotive internal liquid pipelines and vehicle flow sensing devices
• HVAC heating, ventilation and air conditioning system flow switches
• Industrial humidifiers and atomization equipment flow detection modules
• High-temperature liquid circulation pipelines and industrial fluid control systems
• General industrial machinery liquid flow protection and signal feedback units

Product name: Water Pump Flow Switch
Media Type: Liquid
Flow Rate: 1.5-30L/MIN
Whether the smart: Yes
Operating Temperature: 80°-120°
Material: PP/PLASTIC /POM
Application: car, automobile,industry equipment ,humidifier,etc
Contact Form: N.O/N.C
Wire length: 350mm or as required
Output: Switching Transducer
Rated Voltage: 100VDC/220VDC
Rated current: 0.5A/1.5A
Rating Load: 10W/50W
Flow rate: 1.5-30L /min

Product Images:

FAQ

1. What is the thread specification and structural type of this flow switch?
It adopts G3/4 standard thread and features paddle wheel induction structure.

2. What is the standard flow detection range?
The rated flow rate is 1.5 to 30 liters per minute.

3. What materials is the product made of?
The main materials are PP and POM, with good high temperature resistance.

4. What voltage, current and load options are available?
Rated voltage: 100VDC / 220VDC; Current & Load: 0.5A(10W), 1.5A(50W).

5. What contact forms does it support?
It has N.O (Normally Open) and N.C (Normally Closed) two contact modes.

6. What is the operating temperature range?
The working temperature is 80℃ to 120℃, suitable for high-temperature liquid environments.

7. About wire length and output mode?
Standard wire length is 350mm and customization is available; output is switching transducer.

8. Does this flow switch have smart functions?
Yes, it is equipped with built-in intelligent module for signal processing.

9. What are the main application fields?
It is widely used in water pumps, heaters, automobiles, HVAC, humidifiers and industrial equipment.