RS Components
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SMC, 0.5 → 4 L/min Flow Controller, M12 Connector, PNP, 12 → 24 V dc, LED

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1 Available in 4–6 working days for collection or delivery to major cities, unless heavy, bulky, hazardous or lithium metal (TCs Apply)
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Price (Excl VAT) Each

R 11,158.09

(exc. VAT)

R 12,831.80

(inc. VAT)


Not Available for premium delivery


RS stock no.:
Mfr. Part No.:

Not Applicable

COO (Country of Origin):
unitsPer unit
1 - 5R 11,158.09
6 +R 10,934.93

PF2W Water Flow Switch

In-line Von Karman Vortex flow switch with digital display and two outputs. The outputs can be set to switch when a specific flow rate or volume is reached, or they can provide a pulse for every 0.05 - 1 litre of flow volume depending on model.

Very low pressure loss
Red 3-digit LED display can be rotated through 270°
2 switched PNP outputs
Key lock feature
No moving parts - Von Karman vortex detector
Easy installation

Supplied with

M12, 3 meter, 4 core cable

Maximum Flow Rate0.5 → 4 L/min
Electrical ConnectionM12 Connector
Control OutputPNP
Supply Voltage12 → 24 V dc
Display ScreenLED
Pipe Diameter Range3/8 in
Minimum Operating Temperature0°C
Maximum Operating Temperature+50°C