Body Size: 30, Thread: NPT, Port: 3/8, Option: Round Pressure Gauge w/Limit Indicator, Attachment: T + V, Semi-Standard 1: Standard, Semi-Standard 2: W + Z

Body Size: 40, Thread: NPT, Port: 1/2, Option: Round Pressure Gauge w/Limit Indicator, Attachment: T + V, Semi-Standard 1: Standard, Semi-Standard 2: W + Z

Rated Flow Range: 04 (0.5 to 4 L/min), Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: Rc, Port Size: 03 (3/8), Output Specification/Temperature Sensor: 1T (Out 1 Flow Rate: Analog 1 to 5 V; Out 2 Temperature: Analog 1 to 5 V; Temperature Sensor: w/Temperature Sensor), Lead Wire: N (w/o Lead Wire and M8 Connector), Unit Specification: Instantaneous Flow: L/min, Temperature: °C,

Rated Flow Range: 10 (0.1 to 10 L/min), Flow Adjustment Valve: S (With Flow Adjustment Valve, Straight), Port Size: C6 (ø6), Output Specification: E (Out 1: PNP; Out 2: Analog 1 to 5 V - Analog 0 to 10 V), Lead Wire: W (Lead Wire w/Connector + Rubber Cover for Connector), Unit Specification: M (SI Unit Only), Bracket/Panel Mount Adapter: S (Bracket, w/Flow Adjustment Valve), Calibration Certificate

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: G (Size 20 25, 30, 40: Round Type Pressure Gauge w/Limit Indicator; Size 10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: 6C (w/Bowl Guard, Nylon Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: G (Size 20 25, 30, 40: Round Type Pressure Gauge w/Limit Indicator; Size 10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: 8 ( Metal Bowl w/Level Gauge), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial

Rated Flow Range: 2 to 16 L/min, Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: Rc, Port Size: 1/2, Output Specification/Temperature Sensor: Out 1: NPN; Out 2: Flow Rate: Analog 1 to 5 V ⇔ Analog 1 to 5 V; Temperature Sensor: Yes, Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Accumulated Flow: L,Temperature: °C, Bracket: w/Bracket

Rated Flow Range: 2 to 16 L/min, Flow Adjustment Valve: w/Flow Adjustment Valve, Thread: NPT, Port Size: 3/8, Output Specification/Temperature Sensor: Out 1: NPN; Out 2: Flow Rate: Analog 1 to 5 V ⇔ Analog 1 to 5 V; Temperature Sensor: Yes, Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Accumulated Flow: L,Temperature: °C, Bracket: w/Bracket

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: Rc, Port Size: 1/2, Output Specification/Temperature Sensor: Out 1: NPN; Out 2: Flow Rate: Analog 1 to 5 V ⇔ Analog 1 to 5 V; Temperature Sensor: Yes, Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Accumulated Flow: L,Temperature: °C, Bracket: w/Bracket

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: NPT, Port Size: 1/2, Output Specification/Temperature Sensor: Out 1 Flow Rate: Analog 1 to 5 V; Out 2 Temperature: Analog 1 to 5 V; Temperature Sensor: w/Temperature Sensor, Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Temperature: °C, Bracket: None,

Rated Flow Range: 5 to 40 L/min, Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: NPT, Port Size: 3/4, Output Specification/Temperature Sensor: Out 1 Flow Rate: Analog 1 to 5 V; Out 2 Temperature: Analog 1 to 5 V; Temperature Sensor: w/Temperature Sensor, Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Temperature: °C, Bracket: None,

Rated Flow Range: 0.5 to 4 L/min, Flow Adjustment Valve: w/o Flow Adjustment Valve, Thread: NPT, Port Size: 3/8, Output Specification/Temperature Sensor: Out 1 Flow Rate: Analog 1 to 5 V; Out 2 Temperature: Analog 1 to 5 V; Temperature Sensor: w/Temperature Sensor, Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: Instantaneous Flow: L/min, Temperature: °C, Bracket: None,

Rated Flow Range: 04 (0.5 to 4 L/min), Flow Adjustment Valve: S (w/Flow Adjustment Valve), Thread: N (NPT), Port Size: 03 (3/8), Output Specification/Temperature Sensor: JT (OUT1: Analogue 1 to 5 V - OUT2: Analogue 1 to 5 V; Temperature Sensor: Yes), Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: M (Instantaneous Flow: L/min, Accumulated Flow: L,Temperature: °C), Bracket

Rated Flow Range: 25 (0.3 to 25 L/min), Flow Adjustment Valve: S (With Flow Adjustment Valve, Straight), Port Size: C6 (ø6), Output Specification: E (Out 1: PNP; Out 2: Analog 1 to 5 V - Analog 0 to 10 V), Lead Wire: W (Lead Wire w/Connector + Rubber Cover for Connector), Unit Specification: M (SI Unit Only), Bracket/Panel Mount Adapter: S (Bracket, w/Flow Adjustment Valve), Calibration Certificate

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: S (w/Flow Adjustment Valve), Thread: N (NPT), Port Size: 03 (3/8), Output Specification/Temperature Sensor: JT (OUT1: Analogue 1 to 5 V - OUT2: Analogue 1 to 5 V; Temperature Sensor: Yes), Lead Wire: w/Lead Wire and M8 Connector, 3 m, Unit Specification: M (Instantaneous Flow: L/min, Accumulated Flow: L,Temperature: °C), Bracket

/N.C.), 1st Selection Vacuum V Port: 6 (Vacuum, V Port: Ø6), 1st Selection Quantity: 2, /: /, 2nd Nominal Nozzle Size: 2 (ø1.0), 2nd Selection Supply Valve and Release Valve: K (N.C./N.C.), 2nd Selection Vacuum V Port: 6 (Vacuum, V Port: Ø6), 2nd Selection Quantity: 2

Step Motor (Servo/24 VDC) Servo Motor (24 VDC) Electric Actuator/Slider Type Ball Screw Drive Clean Room Specification 11-LEFS Series LEFS16, 25, 32, 40

1000 Manufacturable stroke range [mm] 11-LEFS16 V V V V V V V V V V 50 to 500 11-LEFS25 V V V V V V V V V V V V 50 to 600 11-LEFS32 V V V V V V V V V V V V V V V V 50 to 800 11-LEFS40 V V V V V V V V V V V V V V V V V V 150 to 1000 *Please consult with SMC for non-standard strokes as they are produced as special orders.

The latest version can be found hereAR20K-N02-Z-B-X406, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DC, AR MASS PRO 1/4 MODULAR (PT), .44092 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator with Backflow Function Series AR KPages 346 through to 355AR20K1/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge

Seal Material: V (FKM), Filtration: 020 (20 µm), Pressure Gauge: G [w/Pressure Gauges (Wetted Part: Brass)]

Body Size: 30 (ø30mm), Body Material: S (Stainless Steel), Mounting Plate: None, Attachment: V (w/Vibration Suppression Cover)