Flow Switch (FL) with Good Quality

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    The date of payment from buyers deliver within days

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    Long-term effective

  • Last update:

    2017-07-09 14:19

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Company Profile

Ningbo Sanheng Refrigeration Control Co., Ltd.

By certification [File Integrity]

Contact:Mr. Wang(Mr.)  






Website: http://nbsanheng.auto-charge.net/

Flow Switch (FL) with Good Quality
FL Series flow switch is used to sense the flow rate of liquid in the pipe line, when the flow rate reaches the setting point, it turns off(or turn on) to protect the torrential flow.

The setting point could be adjusted according to different request of flow rate.
Suitable to water, oil glycol and other non-hazard liquid.
Ambient temperature range: 0° C~60° C
Liquid temperature, range: 5° C~100° C;
Max working pressure: 1.0Mpa;

Rated Voltage(V)
Rated Amps(A)
Power Cosφ 125V AC 250V AC
Non-Inductive current 1 15 15
Induction current Full load 0.75 3.5 2.5
Instantaneous 0.45 21 15
Model Connection Size(in)
FL-15 1/2"
FL-20 3/4"
FL-25 1"

Flow rate table
Line Pipe Size (in) Required to actuate switch(m³ /h)
Min. Adjustment Max. Adjustment
Flow Decreasing Flow Increasing Flow Decreasing Flow Increasing
1 18 21 45 50
1-1/2 30 35 105 105
2 50 58 150 155
2-1/2 75 86 187 200
3 100 115 225 260

Package information:
Standard export packing or per customer's requirement

Our service:
We can produce different customized products according to customer's actual requirements.

Company description:
Ningbo Sanheng Refrigeration Control Co., Ltd. Is located at Xikou Industrial Zone, Ningbo City, Zhejiang Province. It is specializes in developing and manufacturing of refrigeration unit, refrigerated air dryer, Refrigeration Parts, Air Conditioner Parts and Auto A/C Parts, like refrigeration solenoid valves, thermal expansion valves, manifold gauge set, filter drier, ball valve, many kinds of expansion valve for Auto A/C and so on.

Sanheng Company relies on the "Sanheng"spirit, I. E. "Quality Eternal, Service Eternal, and Prestige Eternal". We believe that we will make great contribution to refrigeration industry.


ISO9001: 2008