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FSW300 Series

Flow Switches | FSW300 Series

Flow Switches

USD$285.51 FSW301

1 año de garantía CE
  • Adjustable Switch Point
  • Low Pressure Drop
  • Economical
  • Field Installation for ½ to 8" Pipes
  • Instant Response
  • High Repeatability


The FSW301 flow switch comprises a paddle system with a permanent magnet attached. Above that magnet is a reed contact, located outside the flow of fluid. A second magnet with opposing poles creates the force necessary to reset the switch back to the no flow position.

When the monitored flow pushes the paddle and changes the position of the magnet in relation to the reed contact it activates the contact. As soon as the flow is interrupted, the paddle moves back to its starting position, which returns the reed contact to the initial position. The force necessary to push the magnet back is provided by the two magnets repelling each other. Using magnetic force instead of the usual leaf spring means the switch is considerably more stable in the long term and much less sensitive to pressure peaks.

The reed contact used as a sensing element consists of two ferromagnetic contact blades located in a glass bulb filled with inert gas. This practically eliminates wear resulting from contact burning. This construction allows a useful life of up to 100,000,000 switching cycles.

Maximum Switching Current: 1 A
Maximum Switching Voltage: 230 Vac, 48 Vdc
Maximum Rating: 26 VA, 20 W
Set Point Tolerance: ±15%
Plug Connector: DIN 43650 form A/ISO 4400 cable socket with terminal screws, suitable for outer cable diameter 4.57 to 6.85 mm (0.18 to 0.27")
Dimensions (Excluding Paddle or Tee): 114 x 38 x 89 mm (4.5 x 1.5 x 3.5")

Maximum Pressure: 25.165 bar (365 psi)
Maximum Process Temp: 110°C (230°F)
Maximum Ambient Temp: 80°C (176°F)
Protection Class: IP65
Connection: ½-14 NPT
Materials of Construction:
Body: Brass
Paddle System: Polypropylene, Noryl®
Shaft: Stainless steel

FSW302, 303, 304
Maximum Pressure: 25 bar (362 psi)
Maximum Process Temperature: 110°C (230°F)
Maximum Ambient Temperature: 80°C (176°F)
Materials of Construction:
Body: Brass
Pipe Section: Brass
Paddle System: Brass

FSW305, 306, 307
Maximum Pressure: 10 bar (145 psi)
Maximum Process Temperature: 60°C (140°F)
Maximum Ambient Temperature: 60°C (140°F)
Materials of Construction:
Pipe Section: PVC
Body: Polypropylene, Noryl®
Paddle System: Polypropylene, Noryl®
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Lo que han comprado otras personas: Cuando vea este icono, haga clic sobre él para abrir la lista de productos que otras personas han comprado al adquirir este modelo

Número de parte/Desc.
Insertion Style Switches
Disponible en: Disponible
Flow switch, insertion ½ male NPT, setpoint adjustable from 4.0 to 132 GPM
Brass Tee Switches
Disponible en: 5 Semanas
Flow switch inline 1/2" brass tee, 0.9 to 1.1 GPM setpoint range
Disponible en: Disponible
Flow switch, inline 3/4" brass tee, 1.8 to 2.4 GPM setpoint range
Disponible en: 1 Semana
Flow switch inline 1" brass tee, 3.5 to 4.4 GPM setpoint range
PVC Tee Switches
Disponible en: 6 Semanas
Flow switch, inline 1/2" PVC tee, 1.3 to 1.8 GPM setpoint range
Disponible en: 6 Semanas
Flow switch, inline 3/4" PVC tee, 2.5 to 3.2 GPM setpoint range
Disponible en: 6 Semanas
Flow switch, inline 1" PVC tee, 2.8 to 3.9 GPM setpoint range
Haga clic para abrir la lista de productos que otras personas han comprado al adquirir este modelo70A-2
Disponible en: Disponible
Fast pulse tone audible alarm
Todos los productos en este sitio se muestran en la moneda de EE.UU.
NOTA: Comes complete with operator’s manual.

Ejemplo de pedido: (1) 70A-2 fast pulse tone audible alarm, USD$37.43  plus (1) FSW301 insertion style flow switch with 1/2 NPT fitting, USD$285.51, USD$37.43 + 285.51 = USD$322.94
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