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The Best Flow Switch 1 Inch of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Flow Switch 1 Inch of 2022. Check our ranking below.

2,522 Reviews Scanned

Rank No. #1
YWBL-WH HFS-25 1inch Thread Paddle Type Liquid Water Flow Paddle Control Switch SPT AC220V 15A with Paddles, Flow Switch
  • Used in water treatment systems, central air conditioning, water‑cooled units and other fields.
  • Suitable for water, ethylene glycol and any other liquid that has no corrosive effect on brass and phosphor bronze and has no effect on sealing performance.
  • The flow switch has the characteristics of high sensitivity and strong durability, practical for use.
  • Medium temperature is 0‑60 ℃, contact life is about 100,000 times, rated pressure is 10bar.
  • Made of high quality brass material, high hardness and strength, wear‑resistant and durable.
Rank No. #2
6-380V 1" Paddle Control Water Flow Switch, Partial Stainless Steel Type Flow Switch 1.0MPa SPDT Contacts
  • When the flow rate exceeds the set value, the fluid actuates the vane and microswitch, and the SPDT contact can connect the circuit and break other circuits.
  • Adjustable flow control value with stable action repetition point. Protection class IP54, micro switch contact life up to 100,000 times. Can fit most equipment.
  • Water flow switches are widely used in water treatment systems, central air conditioning, water cooling equipment, fire protection systems and other applications.
  • Flow switches are mainly used to measure the dynamic state of liquids flowing through pipelines, such as water, ethylene diluent, and other copper liquids.
  • Flow switches are typically used where interlock or "cut-off" protection is required.
SaleRank No. #3
W.E. Anderson® Vane Flow Switch, FS-2, 1" MNPT, Low Cost, Field Adjustable Set Point & Paddle
  • Wetted Materials: Bellow: Tin-bronze; Vane: Stainless steel; Body: Forged brass
  • Temperature Limits: 230°F (110°C)
  • Pressure Limits: 145 psig (10 bar)
  • Switch Type: SPDT snap switch
  • Enclosure Rating: NEMA 4 (IP64)
Rank No. #5
HFS-25 1"/dn25 Flow Switch,Liquid Water Flow Paddle Control Switch SPDT Contacts 6-380V
  • When the flow exceeds the set value, the fluid drives the blade and the microswitch, and the SPDT contact can connect the circuit and disconnect other circuits.
  • This product is used to measure the fluid dynamics of fluids passing through pipes, such as water, ethylene diluents, glycols and other liquids that do not corrode copper.
  • This water flow switch is suitable for water treatment systems, central air conditioning, water cooling units, fire protection systems and other fields.
  • Flow switches are typically used in locations that require interlocking or "cut" protection.
  • This flow switch is made of high quality stainless steel and long service life.
Rank No. #6
Water Flow Switch, LKB-01D Water Flow Switch 250V 15A RC1 "Two Way Water Flow Switch IP54 Flow Switch Flow Valve 1.0MPa SPDT Contacts for fire safety air conditioners
  • It is used to measure the dynamic state of the liquid flowing through the pipeline, such as: water, ethylene, ethylene glycol and other liquids that have no corrosive effect on copper.
  • When the flow rate of liquid exceeds or falls below the set flow rate, the SPDT contacts can turn on one circuit and cut off the other at the same time. The flow switch is usually used in places requiring interlocking or
  • Repeatability error is about 2.5%, ensure high stability of products.
  • IP54 protection level, more safer to use.
  • Perfect for water treatment system, central air conditioning, water cooling unit.
Rank No. #7
DIGITEN 1" DC 12V Electric Solenoid Valve Normally Closed N/C Water Inlet Flow Switch
  • ☺Long service life span.
  • ☺High flow valves for water.
  • ☺Widely used for irrigation controls (garden, farm,etc.), and liquid controls ( pipeline, artificial river etc).
  • ☺Normally closed operation.
  • ☺Quick and easy installation.
Rank No. #8
GREDIA 1" Water Flow Sensor Food-Grade Switch Hall Effect Flowmeter Fluid Meter Counter 1-60L/min (Pack of 2)
  • Connect to 1 inch BSPT male thread, hall effect, comes with 2 pieces
  • Flow range:1-60L/min, Water Pressure: ≤1.2Mpa
  • Working voltage: DC 5-24 V, F=(5.5*Q)±2%, Q=L/Min
  • Material: food grade plastic, all raw materials conform to the ROHS test standard
  • Wide application: It is mainly used in petrochemical industry, residential area flow control, waterworks, farmland and garden irrigation, etc.
Rank No. #9
McDonnell & Miller FS4-3 General Purpose Liquid Flow Switch
  • For starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others
  • 1" NPT
  • Minimum/maximum temperature: 32 degrees F/300 degrees F
  • Sensitivity adjusting screw makes flow adjustment easy
  • Four stainless steel paddles included: 1", 2", 3" & 6" (25, 50, 80, & 150mm)
Rank No. #10
Johnson Controls F261MAH-V01C Flow Switch
  • Type 3R (NEMA) or Type 4 (NEMA) enclosure allows use in indoor or outdoor applications
  • Viton diaphragms allow use in fluid lines carrying chlorinated water, treated water, or other nonhazardous fluids
  • low-flow operation on low-flow models actuates switch with less than 1.0 GPM (3.8 L/min) flow for water applications or 9.0 GPM (34.1 L/min) flow for steam applications
  • Maximum fluid pressure of 290 psig (20 bar) permits use in a wide range of pressure flow conditions

Last update on 2023-07-03 / Affiliate links / Images from Amazon Product Advertising API

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