Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: D (OUT1: NPN; OUT2: Analog 4 to 20mA), Temperature Sensor: T (Temperature Sensor), Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: F (G), Port Size: 04 (1/2), Output Specification: D (OUT1: NPN; OUT2: Analog 4 to 20mA), Temperature Sensor: T (Temperature Sensor), Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: Rc, Port Size: 06 (3/4), Output Specification: D (OUT1: NPN; OUT2: Analog 4 to 20mA), Temperature Sensor: T (Temperature Sensor), Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: None, Thread: Rc, Port Size: 1/2, Output Specification: OUT1: NPN; OUT2: Analog 4 to 20mA, Temperature Sensor: Temperature Sensor, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: -, Calibration Certificate: -, Made to Order: -

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: None, Thread: NPT, Port Size: 1/2, Output Specification: OUT1: NPN; OUT2: Analog 4 to 20mA, Temperature Sensor: Temperature Sensor, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: -, Calibration Certificate: -, Made to Order: -

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: None, Thread: G, Port Size: 1/2, Output Specification: OUT1: NPN; OUT2: Analog 4 to 20mA, Temperature Sensor: Temperature Sensor, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: -, Calibration Certificate: -, Made to Order: -

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: None, Thread: Rc, Port Size: 3/4, Output Specification: OUT1: NPN; OUT2: Analog 4 to 20mA, Temperature Sensor: Temperature Sensor, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: -, Calibration Certificate: -, Made to Order: -

2

Applicable thread Gasket M-3G2 M3 M-5G2 M5 M-6G M6 Brass Description Part no.

1

m is number of I/O Units.

5

Bore size (mm) Dd9 L l m d Part no.

Table of Contents

A VMG M-5ALN-4 M-5ALN-6 M-5ALU-3 M-5ALU-4 M-5ALU-6 1.4 2.4 1.1 1.4 2.4 1.8 2.5 1.6 1.8 2.5 5 7 4.5 5 7 9 11 8.5 9.3 11.3 13 15 12.5 13.3 15.3 4.0 4.4 4.0 4.1 4.5 M5 x 0.8 M-5ALN-6 M-5ALU-6 M5 x 0.8 Barb Elbow for Nylon Tubing: M-5ALHN-4/-6 Barb Elbow for Soft Tubing: M-5ALHU-3/-4/-6 Effective area (mm2) Weight (g) Width across flats 7 M-5ALHN-4 M-5ALHU-3/-4 Model A B C D M-5ALHN-4 M-5ALHN

KJ

A VMG M-5ALN-4 M-5ALN-6 M-5ALU-3 M-5ALU-4 M-5ALU-6 1.4 2.4 1.1 1.4 2.4 1.8 2.5 1.6 1.8 2.5 5 7 4.5 5 7 9 11 8.5 9.3 11.3 13 15 12.5 13.3 15.3 4.0 4.4 4.0 4.1 4.5 M5 x 0.8 M-5ALN-6 M-5ALU-6 M5 x 0.8 Barb Elbow for Nylon Tubing: M-5ALHN-4/-6 Barb Elbow for Soft Tubing: M-5ALHU-3/-4/-6 Effective area (mm2) Weight (g) Width across flats 7 M-5ALHN-4 M-5ALHU-3/-4 Model A B C D M-5ALHN-4 M-5ALHN

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: Rc, Port Size: 06 (3/4), Output Specification: D (OUT1: NPN; OUT2: Analog 4 to 20mA), Temperature Sensor: T (Temperature Sensor), Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C), Bracket: None, Calibration Certificate: None, Made to Order

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: None, Thread: Rc, Port Size: 3/4, Output Specification: OUT1: NPN; OUT2: Analog 4 to 20mA, Temperature Sensor: Temperature Sensor, Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C, Bracket: None, Calibration Certificate: None, Made to Order: EPDM Seal Material

Series H, DL, L, LL Self-align Fittings

M H2 (Hex.) L2 L1 Thread R(PT) Part No.

Thermo-con/Rack Mount Type

WO Edition D Safety Instructions Be sure to read the Handling Precautions for SMC Products (M-E03-3) and Operation Manual before use.

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: None, Thread: N (NPT), Port Size: 06 (3/4), Output Specification: B (OUT1: PNP; OUT2: PNP), Temperature Sensor: T (Temperature Sensor), Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 06 (3/4), Output Specification: E (OUT1: PNP; OUT2: Analog 1 to 5V), Temperature Sensor: T (Temperature Sensor), Lead Wire: Lead Wire w/M8 Connector, 3m, Unit Specification: M (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °C)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 06 (3/4), Output Specification: E (OUT1: PNP; OUT2: Analog 1 to 5V), 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)