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1 MNPT Paddle Liquid Flow Switch, 10

  • Item # 40PN67
  • My Part #
  • Mfr. Model # QVE1900U
  • Catalog Page # N/A
  • UNSPSC # 39121538
Liquid Flow Switch,SPDT,24VDC,15A close

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Web Price $154.00 / each
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  • Shipping Weight 1.5 lbs.
Country of Origin Italy Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

Suitable for monitoring fluid flow in hydronic heating and cooling systems this SIEMENS liquid flow switch consists of a base, paddle, and body with a 1" MNPT connection. The base includes the microswitch, electrical terminals, and adjusting screw (for switch-on/switch-off point), a paddle holder, and an opening for the cable entry. Model comes with 4 paddles that can be trimmed to accommodate different pipe diameters.

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Technical Specs

  • Item Liquid Flow Switch
  • Min. Flow Rate (GPM) 6
  • Flow Rate 10
  • Connection Size (In.) 1 MNPT
  • Switch Enclosure NEMA 4
  • Min. Ambient Temp. (F) -4 Degrees
  • Max. Ambient Temp. (F) 185 Degrees
  • Min. Fluid Temp. (F) -40 Degrees
  • Max. Fluid Temp. (F) -40 Degrees to 248 Degrees
  • Max. Pressure (PSI) 160
  • Operating Velocity Range (FPM) 160
  • Switch Type SPDT
  • Max. Duct Size (In.) 1-1/4" to 8"
  • Contact Rating 15A
  • Body Material Polycarbonate
  • Material of Construction Brass, SS
  • Wetted Materials Brass
  • Max. Operating Velocity (FPM) 10
  • Voltage 24VDC
  • For Use With Condensers, Boilers and Heat Exchangers
  • Application Used In HVAC Installations to Monitor The Flow of Fluids In Hydronic Heating and Cooling Systems
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