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250V Flow Switch For Chiller

China Keram (Nanjing)ELECTRICAL Equipment Co., Ltd. certification
China Keram (Nanjing)ELECTRICAL Equipment Co., Ltd. certification
Customer Reviews
The flow switch is very good, the appearance is also beautiful, in line with the manufacturer's description.


The differential pressure transmitter is in line with my use requirements, and the manufacturer is also very cooperative, helping me solve a lot of problems, and the service is very good.

—— John

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250V Flow Switch For Chiller

250V Flow Switch For Chiller
250V Flow Switch For Chiller 250V Flow Switch For Chiller 250V Flow Switch For Chiller 250V Flow Switch For Chiller

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Product Details:
Place of Origin: China
Brand Name: Keram Controls
Certification: CE
Model Number: KWFS
Payment & Shipping Terms:
Minimum Order Quantity: 10 pcs
Price: USD12-20/piece EXW factory
Packaging Details: Carton
Delivery Time: 3-5 working days
Payment Terms: T/T, Western Union
Supply Ability: 2000 pcs per month

250V Flow Switch For Chiller

Name: Liquid Flow Switches Warranty: 1 Year
Customized Support: OEM Protection: IP65
Certification: CE Contact Arrangement: SPDT
Electrical Rating: 15(8)A 24/250VAC Permissible Temperature: Paddle(-20 ~ 120℃)
Installation: Vertical Installation Delivery: 3-5 Working Days
Cable: M18 Sensing Element: Paddle
High Light:

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KWFS Series Liquid Flow Switch

OEM IP65 Liquid Flow Switches Sensor For Heating, Air Conditioning


The KWFS series liquid flow paddle switch, suited for pipes of industrial plants: heating and air conditioning, refrigeration systems and heat pumps. Flow control of water and normal media.

The KWFS series liquid flow paddle switch offers an economical flow proving solution.

The paddles are adjustable to fit 1 to 8" size pipe.



  1. Adjustable range and differential settings.
  2. Renovated SPDT micro-switch ensures the reliable switch function.
  3. Flexible mounting bracket suits various kids of application.
  4. Upper lid is optional (IP44)
  5. Various connections are available on request.
  6. Automatic and manual reset version
  7. The material of bellows is copper and pressure interface is brass.
  8. Several models available in drip-proof enclosure for marine applications or in explosion-proof enclosure for special applications
  9. CE approval



Model KWFS
Type of peration On/Off, single-stage, mircro switch
Output SPDT 15(8A)  24/250VAC
Flow rates see flow rate table
Flow rate setting Internal srew
Sensing element Paddle
Liquid applications Hot, chilled, well, pool and sea water, brine or ethylene glycol
Parts material in contact with fluid Brass
Paddle material Stainless steel
Liquid temperature -20 ~ 120℃
Permissible ambient temperature -40 ~ 85℃
Permissible ambient humidity 10~90%RH
cable galnd M18
Housing material Fire Resistance ABS or PC
Protection IP65
Color White
Weight 1.0KG




250V Flow Switch For Chiller 0


250V Flow Switch For Chiller 1




Contact Details
Keram (Nanjing)ELECTRICAL Equipment Co., Ltd.

Contact Person: Martin

Tel: 17372262020

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