Body Size: 40, Thread Type: N (NPT), Port Size: 04 (1/2), Mounting: w/o Mounting Option, Float Type Auto Drain: w/o Auto Drain, Bowl: Sizes 20, 30, 40: Polycarbonate Bowl; Sizes 50, 60: Stainless Steel, Drain Port: w/Drain Cock, Indicator: L (w/Element Service Indicator), Flow Direction: Left to Right, Drain Cock w/Barb Fitting: W (Drain Cock w/Barb Fitting), Pressure Unit: Z (Name Plate

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: C (Lead Wire with M12 connector, 3m, Bracket: R (with Bracket), Operation Manual: Z (with Operation Manual)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: N (NPT), Port Size: 04 (1/2), Output Specification/Temperature Sensor: L2 (Out 1: IO-Link/Switch Output, N/P; Out 2: Switch Output, N/P; Temperature Sensor: None), Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: gal/min; Accumulated Flow: gal; Temperature:

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: J (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °F), Bracket: None, Calibration Certificate: A (Calibration Certificate)

Rated Flow Range: 102 (10 to 1000 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: F (Out 1: PNP; Out 2: Analog 4 to 20 mA), Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: M (SI Unit Only)

Rated Flow Range: 20 (2 to 16 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: Instantaneous Flow: gal/min; Accumulated Flow: gal; Temperature: °C, Bracket: None

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: S (Flow Adjustment Valve), Thread: N (NPT), Port Size: 04 (1/2), Output Specification: A (OUT1: NPN; OUT2: NPN), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector), Unit Specification: J (Instantaneous Flow Rate: L/min; Accumulated Flow: L; Temp: °F), Bracket: None, Calibration Certificate: A (Calibration Certificate

Body Size: 40, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 04 (1/2), Mounting Option: Without Mounting, Float Type Auto Drain Option: Without Auto Drain, Pressure Gauge/Switch Option: Without Pressure Gauge, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction

Applications: 0.05~0.70MPa Operating Pressure Range, Thread: NPT, Port Size: 1/2, Accessory: w/o Accessory, Option: 1000cm3 Tank w/Switch Lower Limit ON

Applications: 0.05~0.70MPa Operating Pressure Range, Thread: NPT, Port Size: 1/2, Accessory: w/o Accessory, Option: 1000cm3 Tank w/Switch Lower Limit OFF

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: Left to Right, Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

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: Relieving Type, Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product

Body Size: 40, Back Flow: K (w/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:

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: S (w/Flow Adjustment Valve), Thread: N (NPT), Port Size: 04 (1/2), Output Specification/Temperature Sensor: FT (Out 1: PNP; Out 2: Flow Rate: Analog 4 to 20 mA ⇔ Analog 4 to 20 mA; Temperature Sensor: Yes), Lead Wire: N (w/o Lead Wire and M8 Connector), Unit Specification: M (Instantaneous Flow: L/min, Accumulated Flow: L,Temperature

Rated Flow Range: 5 to 500 L/min, Thread Type: NPT, Port Size: 1/2, Output Specifications: Out 1: NPN; Out 2: Analog 4 to 20 mA, Option 1: w/o Lead Wire and M8 Connector, Unit Specification: SI Unit Only, Option 2: -, Calibration Certificate: -

Rated Flow Range: 5 to 500 L/min, Thread Type: NPT, Port Size: 1/2, Output Specifications: Out 1: PNP; Out 2: External Input, Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: Unit Selection Function, Option 2: w/Bracket, Calibration Certificate: Yes

Rated Flow Range: 5 to 500 L/min, Thread Type: NPT, Port Size: 1/2, Output Specifications: Out 1: NPN; Out 2: Analog 1 to 5 V, Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: Unit Selection Function, Option 2: w/Bracket, Calibration Certificate: -

Rated Flow Range: 5 to 500 L/min, Thread Type: NPT, Port Size: 1/2, Output Specifications: Out 1: NPN; Out 2: Analog 4 to 20 mA, Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: Unit Selection Function, Option 2: w/Bracket, Calibration Certificate: -

Rated Flow Range: 10 to 1000 L/min, Thread Type: NPT, Port Size: 1/2, Output Specifications: Out 1: NPN; Out 2: NPN, Option 1: w/o Lead Wire and M8 Connector, Unit Specification: Unit Selection Function, Option 2: w/Bracket, Calibration Certificate: -

Rated Flow Range: 10 to 1000 L/min, Thread Type: NPT, Port Size: 1/2, Output Specifications: Out 1: PNP; Out 2: Analog 4 to 20 mA, Option 1: w/Lead Wire and M8 Connector, 3m, Unit Specification: Unit Selection Function, Option 2: w/Bracket, Calibration Certificate: -