Product Details
Product Features
1. Small size, easy to carry
2. Sensitive response and strong durability
3. Imported dry spring tube is used
4. Easy installation and easy operation
5. Wide range of use: suitable for water circulation control of electric water heaters, solar water heaters, air conditioners, and other water systems
Product Introduction
Flow switch is a sensor device used for water circulation control, inlet and outlet control, water heating control, water pump switch control, solenoid valve on/off control or outlet power off control, outlet power on control, and other water systems in electric water heaters, solar water heaters, air conditioners, and other water systems. When a certain flow rate is reached, the water flow is converted into a switch type electrical signal.
The flow switch consists of a magnetic core, a return spring, a forged copper or polycarbonate housing, and a sensor. The outer shell is made of H58 forged copper or polycarbonate, the magnetic core is made of neodymium iron boron permanent magnet material, and the sensor magnetic control switch is an imported medium power component. The inlet and outlet ports are both G1/2 ″ standard pipe threads.
operational principle
When the water flow rate in the pipeline is greater than 0.75L/min, the magnetic core generates displacement under the action of water flow and drives the magnetic source to generate magnetic control, causing the sensor to output a "1" switch signal. This signal is input to the equipment control system, and after power amplification, the purpose of water flow control is achieved. When the water flow rate in the pipeline is less than 0.75L/min, the magnetic core drives the magnetic source to return to its position under the thrust of the reset spring, causing the sensor to output a "0" switch signal and stop the system's operation.
Product parameters
Pipe diameter: 20mm
Maximum contact level: 10W
Maximum switching voltage: 220V
Minimum breakdown voltage: 200 VDC
Maximum switching current: 3.0 A
Suitable ambient temperature ≥ 1 ℃
Suitable working temperature ≤ 100 ℃
Minimum starting flow rate ≥ 0.75L/min
Maximum flow rate ≤ 5L/min
Rated working pressure ≤ 0.65Mpa
The maximum pressure bearing capacity of the shell is ≤ 1.5Mpa
G1/2 outer diameter 6MM inner diameter 4MM
G1/2 outer diameter 8MM inner diameter 5.5MM
G1/2 outer diameter 10MM inner diameter 7MM
Signal output load DC24V/1A, AC36V/1A, or AC220V/0.1A
Scope and conditions of adaptation
1. The ambient temperature shall not be lower than 0 ℃. Do not strike the housing. Stay away from magnetic objects.
2. The output of the signal is a switching value, so the connection method of the control object must also be a switch control relationship.
3. The power of the controlled object shall not exceed the signal load capacity.
4. This device is a water medium control device and cannot be used for other medium control purposes.
Packaging List
Water flow switch * 1
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