Series PF3W digital flow switch is perfect for applications requiring a constantly monitored flow of cooling or cleaning water. The PF3W series has been improved both in design and operating performance over the PF2W flow switch.  Depending on the selected model, the PF3W is up to 40% smaller in volume, offering improved piping space and flexibility.  Designed to work with fluids up to 90ºC

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: S (w/Flow Adjustment Valve), Thread: F (G), Port Size: 04 (1/2), Output Specification/Temperature Sensor: F (Out 1: PNP; Out 2: Flow Rate: Analog 4 to 20 mA; Temp.: None; Temperature Sensor: None), Lead Wire: N (w/o Lead Wire and M8 Connector), Unit Specification: J (Instantaneous Flow: L/min, Accumulated Flow: L, Temperature: Â

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 03 (3/8), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C), Bracket: R (Bracket), Calibration Certificate: None, Made

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 03 (3/8), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C), Bracket: R (Bracket), Calibration Certificate: A (Calibration

Rated Flow Range: 21 (50 to 250 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 14 (1 1/2), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: F (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °F), Bracket: None, Calibration Certificate: A (Calibration

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C), Bracket: R (Bracket), Calibration Certificate: None, Made

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C), Bracket: None, Calibration Certificate: None, Made to Order

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 06 (3/4), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C), Bracket: R (Bracket), Calibration Certificate: None, Made

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 06 (3/4), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C), Bracket: None, Calibration Certificate: None, Made to Order

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: Rc, Port Size: 06 (3/4), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: G (Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C), Bracket: None, Calibration Certificate: None, Made to Order: X109

Stations: 05 (5 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: N (NPT), Supply Unit Components: P (w/o Flow Adj. Valve; w/Stop Valve), Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 40 (5 to 40 L/min), Return Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Supply/Return Port Size: 06 (3/4), Return Unit Flow Switch Output Specifications: BT

Stations: 05 (5 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 40 (5 to 40 L/min), Return Unit Components: P (w/o Flow Adj. Valve; w/Stop Valve), Supply/Return Port Size: 06 (3/4), Return Unit Flow Switch Output Specifications: BT

Stations: 05 (5 Stations), Supply/Return Unit Layout: D (U Side: Open; D Side: Open), Thread Type: N (NPT), Supply Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Unit Flow Switch: 7 (Integrated Display), Return Unit Flow Range: 20 (2 to 16 L/min), Return Unit Components: Flow Adj. Valve: None; Stop Valve: None, Supply/Return Port Size: 03 (3/8), Return Unit Flow Switch Output

Stations: 03 (3 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: Rc, Flow Switch Type: 7 (Integrated Display), Rated Flow Range: 20 (2 to 16 L/min), Return Unit Components: P (w/o Flow Adj. Valve; w/Stop Valve), Return Port Size: 03 (3/8), Flow Switch Output Specifications: BT (Out 1: PNP; Out 2: Flow Rate: PNP; Temp.: PNP; Temperature Sensor: Yes), Lead Wire: N (w/o Lead Wire

Stations: 03 (3 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: F (G), Flow Switch Type: 7 (Integrated Display), Rated Flow Range: 20 (2 to 16 L/min), Return Unit Components: P (w/o Flow Adj. Valve; w/Stop Valve), Return Port Size: 03 (3/8), Flow Switch Output Specifications: BT (Out 1: PNP; Out 2: Flow Rate: PNP; Temp.: PNP; Temperature Sensor: Yes), Lead Wire: N (w/o Lead

Stations: 03 (3 Stations), Piping: B (U Side: Open; D Side: Open), Thread Type: N (NPT), Flow Switch Type: 7 (Integrated Display), Rated Flow Range: 20 (2 to 16 L/min), Return Unit Components: P (w/o Flow Adj. Valve; w/Stop Valve), Return Port Size: 03 (3/8), Flow Switch Output Specifications: BT (Out 1: PNP; Out 2: Flow Rate: PNP; Temp.: PNP; Temperature Sensor: Yes), Lead Wire: N (w/o Lead

Stations: 08 (8 Stations), Piping: U (U Side: Open; D Side: Closed), Thread Type: N (NPT), Flow Switch Type: 7 (Integrated Display), Rated Flow Range: 04 (0.5 to 4 L/min), Return Unit Components: W (w/Flow Adj.

Rated Flow Range: 2 to 16 L/min, Flow Adjustment Valve: None, Thread: NPT, Port Size: 3/8, Output Specification: OUT1: PNP; OUT2: PNP, Temperature Sensor: Temperature Sensor, Lead Wire: w/o Lead Wire w/M8 Connector, Unit Specification: Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °C, Bracket: Bracket, Calibration Certificate: None, Made to Order: Piping Material Brass

Rated Flow Range: 2 to 16 L/min, Flow Adjustment Valve: None, Thread: NPT, Port Size: 3/8, Output Specification: OUT1: PNP; OUT2: PNP, Temperature Sensor: Temperature Sensor, Lead Wire: w/o Lead Wire w/M8 Connector, Unit Specification: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: Bracket, Calibration Certificate: Calibration Certificate, Made to Order: EPDM Seal

Rated Flow Range: 50 to 250 L/min, Flow Adjustment Valve: None, Thread: NPT, Port Size: 1 1/2, Output Specification: OUT1: PNP; OUT2: PNP, Temperature Sensor: Temperature Sensor, Lead Wire: w/o Lead Wire w/M8 Connector, Unit Specification: Instantaneous Flow Rate: Gal/min; Accumulated Flow: Gal; Temp: °F, Bracket: None, Calibration Certificate: Calibration Certificate, Made to Order: Piping