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IFW Diaphragm Flow Switch for Non-Corrosive Liquids

Brand: SMC Corporation

IFW is a mechanical switch for the detection and confirmation of liquid flow. The flow body houses a diaphragm responsive to flow rate.  A connected rod and lever mechanism triggers a micro switch at a manually adjustable set point. 

An optiional light, either neon (VAC) or LED (VDC), can indicate operation. Compatible liquids must be non-corrosive to the brass and copper alloy wetted parts and NBR or optional FKM diaphram. 

Wiring method can be normally open or closed with a range of voltages.  A terminal box and CE compliance are also optional.
Features
  • Flow ranges (lpm): 1-10, 10-20, 20-50
  • Port sizes (Rc, NPT, G): 3/8, 1/2, 3/4
  • Temperature rating (°C): -5 to 60
  • Operating pressure (MPa): 0.1 to 0.6
  • Withstand voltage: 1,500 VAC (one minute)

Specifications

Certifications & Approvals

  • CE

Fluid

  • Water/Non-corrosive Liquid

Operating Pressure

  • 0.1 to 0.6 MPa

Water Resistance

  • 1.2 MPa

Operating Temperature

  • -5° to 60° C

Operation

  • Diaphragm Type

Insulation Resistance

  • 100 MΩ or More

Withstand Voltage

  • 1,500 Vac for One Minitue

Port Size

  • 3/8", 1/2", 3/4"

Materials of Construction

  • Body: CAC408
  • Rod: C3604B
  • Diaphragm: NBR

Documentation

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