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In-Line Flow Switches, PVC or Brass

FSW300 Series

In-line flow switches | FSW300 Series

In-line flow switches

1 year warranty CE
  • In-line flow switches with an adjustable Switch Point
  • Low Pressure Drop
  • Economical
  • Field Installation for DN 15 to DN 25 Pipes
  • Instant Response
  • High Repeatability
  • contact our sales department for larger pipe sizes and Stainless Steel Models
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Beschreibung

The FSW300 series flow switches have 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.

Model No.
Material
Pipe Size
Inside Diameter (d1)
Setpoint Ranges (Water at 20°C)
Max. Flow Rate (l/min)
Dimensions (mm)
Increasing (l/min)
Decreasing (l/min)
i1
i
h
FSW305-G
PVC
DN 15
20
5.1 to 6.9
4.9 to 6.5
50
16
54
113
FSW306-G
PVC
DN 20
25
9.4 to 12.3
9.1 to 11.9
100
19
66
118
FSW307-G
PVC
DN 25
32
10.7 to 15.2
10.4 to 14.8
100
22
78
127
 
Process Connection Thread
Nut Size sw1 mm
FSW302-G
Brass
DN 15
½" BSP
3.4 to 4.2
3.0 to 3.8
67
11
19
FSW303-G
Brass
DN 20
¾" BSP
7.0 to 9.1
6.4 to 8.2
120
15
27
FSW304-G
Brass
DN 25
1" BSP
13.5 to 17.0
12.0 to 15.5
195
15
32


FSW302-G, 303-G, 304-G
Maximum Pressure: 25 bar
Maximum Process Temperature: 110°C
Maximum Ambient Temperature: 80°C
Materials of Construction:
Body: Brass
Pipe Section: Brass
Paddle System: Brass
FSW300 Brass Models FSW305-G, 306-G, 307-G
Maximum Pressure: 10 bar at 20°C; 2.5 bar at 60°C
Maximum Process Temperature: 60°C
Maximum Ambient Temperature: 60°C
Materials of Construction:
Pipe Section: PVC
Body: PPO Noryl® GFN3
Paddle System: PPO Noryl® GFN3
FSW300 Series PVC Models


Common Specifications
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

Bestellangaben (Bitte Modellnummer angeben)
Artikelnummer/Beschr.
Stk
Beschreibung
Brass In-Line Flow Switches
FSW302-G
197,15
Lieferzeit: 3 Wochen
 
Flow switch inline ½" BSP brass T, 3 to 4.2 lpm setpoint range
FSW303-G
197,15
Lieferzeit: 5 Wochen
 
Flow switch, inline ¾" BSP brass T, 6.4 to 9.1 lpm setpoint range
FSW304-G
197,15
Lieferzeit: 7 Wochen
 
Flow switch inline 1" BSP brass T, 12 to 17 lpm setpoint range
PCV In-Line Flow Switches
FSW305-G
Consult Sales  
Lieferzeit: 
 
 
Flow switch, inline DN 15 PVC T, 4.9 to 6.9 lpm setpoint range
FSW306-G
Consult Sales  
Lieferzeit: 
 
 
Flow switch, inline DN 20 PVC T, 9.1 to 12.3 lpm setpoint range
FSW307-G
187,66
Lieferzeit: 3 Wochen
 
Flow switch, inline DN 25 PVC T, 10.4 to 15.2 lpm setpoint range
*Alle Preisangaben in Euro.
Anmerkung: Comes complete with operator’s manual.

Zugehörige Dokumentation:

Download FSW300 Series - Flow Switches
Download Flow Switch
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