FLS F3.05 INSERTION FLOW SENSORS PADDLEWHEEL FLOW SWITCH


The simple insertion paddlewheel flow switch type F3.05 is designed to protect a pump from running dry or pumping against a closed valve. lt is equipped with a mechanical SPST contact activated when the flow velocity drops below the factory preset value of 0.15 m/s (0.5 ft/s). The F3.05 features a LED which shows the flow status locally. A specially designed family of fitting ensures an easy and quick installation into all pipe materials in sizes from DN15 to DN600 (0.5” to 24”).

Description

Applications:

  • Pump protection
  • Filtration systems
  • Cooling water systems

Main features:

  • C-PVC, PVDF, Stainless Steel body
  • Easy insertion system
  • High chemical resistance
  • No-Flow alarm relay output
  • Highly visible Local Bicolour Status lndicator
  • Maintenance free
  • Very low pressure drop

Technical data:

General

  • Pipe Size Range: DN15 to DN600 (0.5 to 24 in.) Please refer to Installation Fittings section for more details
  • Supply voltage: 12 to 24 VDC ± 10% regulated • Supply current: < 50 mA
  • Relay Output: mechanical SPDT contact, 1A @ 24 VDC, 0.1A @ 230 VAC
  • Local Status Indicator:
    • GREEN Led = Flow
    • RED Led = No Flow
  • No-Flow Rate Point: 0.15 m/s (0.5 ft./s)
  • Enclosure: IP65
  • Wetted Materials:
    • sensor Body: C-PVC or PVDF or 316L SS
    • o-rings: EPDM or FPM
    • rotor: ECTFE (Halar®)
    • shaft: Ceramic (Al2 O3 )
    • bearings: Ceramic (Al2 O3 )

Standards & Approvals

  • Manufactured under ISO 9001
  • Manufactured under ISO 14001
  • CE • RoHS Compliant
  • GOST R

Maximum Operating Pressure / Temperature (25 years lifetime) F3.05 Sensor

  • C-PVC body:
    • 10 bar (145 psi) @ 25°C (77°F)
    • 1,5 bar (22 psi) @ 80° C (176°F)
  • PVDF body:
    • 10 bar (145 psi) @ 25°C (77°F)
    • 2,5 bar (36 psi) @ 100°C (212°F)
  • SS body:
    • 25 bar (363 psi) @ 120°C (248°F)

Specifications

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