RESOUR Water Flow Switch hfs-25

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$6.00 - $20.00 / Piece | 100 Piece/Pieces (Min. Order)
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Place of Origin:
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Operating Temperature:
121 dc
Flow Rate:
Special type:
Can be customized
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Supply Ability
Supply Ability:
10000000 Piece/Pieces per Week
Packaging & Delivery
Packaging Details
Carton / Pallet
Lead Time :
Shipped in 15 days after payment

RESOUR Water Flow Switch hfs-25


1. Flow switch hfs-25 feature

1, With extremely small pressure loss   

2, Good repeatability  

3,With high anti-stain ability

4,Accurate switch setup through knob

5,The mechanical part isolate with electric part totally .

6,It will provide 5 kinds of baffle. When small flow rate in big diameter pipe or the pipe is not fulfill it , user can change it according to the field situation . Also , it make one type flow switch to suit for different size pipe .


2. Flow switch hfs-25  specification

Control Type


Maximum Static Pressure

10  /  20(kg/Cm*m)

Ambient Temperature Limets

0°C - 60°C

Maximum Liquid Temperature


Electrical Switch



screw terminals


Plastic cover witch 1/2 couduit opening


3. Flow switch hfs-25  principle

Baffle type flow switch is one kind of mechanical flow switch , also known as paddle flow switch .When the medium rushing at the vane ,the vane will swing .It will change the relative position of the magnet and reed contactor .Further ,stimulate contactor and make it close or open .Once the medium was broken ,the vane will back to the original position. Stimulate the reed contactor again ,the repellency of two magnets will provide power which can reset the flow switch .At the time ,the contactor will back to the previous state . It is with built-in micro-trigger switch .


4. Flow switch hfs-25  mounting




Flow switch be mountedin a horizontal pipe line or vertical pipeline .

Mount the instrument in a section of pipe where there is a straight run of atleast 5pipe diameter on each side of the flow swhtch 




Note :sealed adjustments are not field addjustable .


Adjust Setting


1,Remove switch cover


2,For higher flow rater-turn range adjusting screw clockwise


3,For lower  flow rater-turn range adjusting screw counter clockwise.


4,Be sure flow swtich cover is replaced before leaving job.



5. Length Difference Of End Plate (Width All Same)




6. Other models for choice:



About our factory:                                                       


Why choose us?
Company's Profile

Our factory  founded in 1992, has over than 20 years maufacturing and export experience in Zhejiang province.
Plant area over than 20,000 sqm. number of workshops over than 8, number of employees over than 200.
Our main products are refrigeration equipment and spare parts.

Guarantee Service

We deliver not only our products, but also our value-added technical support and after-sales service. We ensure that all our original purchasers get  Laurel & Honesty products guarantee under this warranty statement.

Warranty Period

We will provide a warranty period of 24 months with all equipment and parts.
The warranty period starts from the day of delivery to the original retail purchaser.