Body Size: 40, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: J (Body Size 20: 1/8; Body Size 30 & 40: 1/4), Exhaust Mechanism: N (Non-relieving), Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product

Body Size: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 40, Back Flow: K (w/Backflow), Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: 8 (Metal Bowl w/Level Gauge), Bowl Guard: None, Drain Port: J (Body Size 20: 1/8; Body Size 30 & 40: 1/4), Exhaust Mechanism: Relieving Type, Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units

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

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: N (NPT), Port Size: 04 (1/2), Output Specification/Temperature Sensor: L (Out 1: IO-Link/Switch Output, N/P; Out 2: None; Temperature Sensor: None), Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: M (Instantaneous Flow: L/min; Accumulated Flow: L; Temperature: °C), Bracket: R

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

Model: 520 (2.0 to 16.0 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), I/O Specifications: A3 (IN1: 0-10 VDC, IN2: External Control Input, OUT1: 0-10 VDC), Lead Wire: N (None), Bracket: N (None), Operation Manual: Y (None)

Body Size: 40, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 6 (1/2 Basis), Thread: N (NPT), Port Size: 04 (1/2), Applicable Tube OD: 11 (Ø3/8"), Sealant: S (Sealant), Lock Nut: J (Round)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: WZ (W + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: WZ (W + Z)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: 23 (2 + 3), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 40, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 1 (0.02 to 0.2 MPa Setting), Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi

Body Size: 40, Back Flow: K (w/Backflow), Thread: N (NPT), Port Size: 04 (1/2), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: 2 (Metal Bowl), Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: N (Non-relieving), Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: 6J (6 + J), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Option: Standard, Attachment: Standard, Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: NRZ (N + R + Z)