In-Line Flow Switches, PVC or Brass

FSW300 Series

In-line flow switches

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INVIA ORDINE

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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Descrizione

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)
Model No.	Material	Pipe Size	Inside Diameter (d1)	Increasing (l/min)	Decreasing (l/min)	Max. Flow Rate (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

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

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

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Codice prodotto/Desc.

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Descrizione

Brass In-Line Flow Switches

FSW302-G

€197.15

Stock: 3 settimane

Flow switch inline ½" BSP brass T, 3 to 4.2 lpm setpoint range

FSW303-G

€197.15

Stock: 5 settimane

Flow switch, inline ¾" BSP brass T, 6.4 to 9.1 lpm setpoint range

FSW304-G

€197.15

Stock: 7 settimane

Flow switch inline 1" BSP brass T, 12 to 17 lpm setpoint range

PCV In-Line Flow Switches

FSW305-G

Consultare l'Ufficio Commerciale

Stock:

Flow switch, inline DN 15 PVC T, 4.9 to 6.9 lpm setpoint range

FSW306-G

Consultare l'Ufficio Commerciale

Stock:

Flow switch, inline DN 20 PVC T, 9.1 to 12.3 lpm setpoint range

FSW307-G

€187.66

Stock: 3 settimane

Flow switch, inline DN 25 PVC T, 10.4 to 15.2 lpm setpoint range

† Tutti gli importi indicati in EUR
Nota: Comes complete with operator’s manual.

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Download FSW300 Series - Flow Switches

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