Body Size: 20A, Thread: Rc (Rc: for Sizes 20, 30, 40; M5: for Size 10), Port Size: 02 (1/4), Option: CG (C + G), Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Standard

Body Size: 20A, Thread: N (NPT), Port Size: 02 (1/4), Option: CG (C + G), Attachment: V (3-Port Valve for Residual Pressure Release), Semi-Standard 1: 3C (3 + C), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20A, Thread: N (NPT), Port Size: 02 (1/4), Option: CG (C + G), Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: SHP (Body: 316L SS Secondary Remelt; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: 316L SS), Surface Finish: 15 μin. (0.4 μm), Standard, Ports: 4PW [4 Ports (1-In; 2-Out; 3-Gauge Port In; 4-Gauge Port Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: FV4 (1/4 Inch Face Seal

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: SHP (Body: 316L SS; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22; Nozzle: 316L SS), Surface Finish: 10 μin. (0.25 μm), Standard, Ports: 4PW [4 Ports (1-In; 2-Out; 3-Gauge Port In; 4-Gauge Port Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: FV4 (1/4 Inch Face Seal, Female), Gauge

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: SH (Body: 316 SS; Poppet: Hastelloy® C-22; Diaphragm: Hastelloy® C-22), Ports: 4PL [4 Ports (1-In; 2-Out; 3-Extra Bottom Port Out; 5-Gauge Port Out)], Connections, Inlet: 4 (NPT 1/4 Inch), Connections, Outlet: 4 (NPT 1/4 Inch), Gauge Port, Extra Bottom Outlet: 0 (No Pressure Gauge, Connections: 1/4 Inch NPT for Port 4PL,

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: SH (Body; 316 SS; Poppet; Hastelloy® C-22; Diaphragm; Hastelloy® C-22), Ports: 4PL [4 Ports (1-In; 2-Out; 3-Gauge Port Extra Bottom; 5-Gauge Port Out)], Connections, Inlet: 4 (NPT 1/4 Inch), Connections, Outlet: 4 (NPT 1/4 Inch), Gauge Port, Extra Bottom Outlet: 0 (No Presure Gauge, Connections: 1/4 Inch NPT), Gauge Port

IR1200-A/2200-A/3200-A

AR425 to 935 ARX q Body size 1 2 3 Symbol Description AMR w Set pressure range 0 0.02 to 0.2 MPa V V V 1 0.02 to 0.4 MPa V V V 2 0.02 to 0.8 MPa V V V + ARM ARP e Exhaust direction 0 Bottom exhaust V V V 1 Front exhaust V 2 Rear exhaust V + IR-A IR-A IR r Pipe thread type Nil Rc V V V N NPT V V V F G V V V + IRV VEX 01 1/8 V 02 1/4 V V 03 3/8 V 04 1/2 V + SRH t Port size SRP a

IR1000-A/2000-A/3000-A

AR425 to 935 ARX q Body size 1 2 3 Symbol Description AMR w Set pressure range 0 0.005 to 0.2 MPa V V 0.01 to 0.2 MPa V 1 0.01 to 0.4 MPa V V V 2 0.01 to 0.8 MPa V V V + ARM ARP IR-A IR-A e Exhaust direction 0 Bottom exhaust V V V 1 Front exhaust V 2 Rear exhaust V + IR IRV r Pipe thread type Nil Rc V V V N NPT V V V F G V V V + VEX 01 1/8 V 02 1/4 V V 03 3/8 V 04 1/2 V + SRH

ARX Series

Piston assembly Valve Valve spring No. 4 5 6 1348104A 1348105 1348109 SUP OUT 2 ARX Series Specialty Regulators Regulator for 290 psi (2 MPa) ARX20, 21 Dimensions Panel cutout dimensions 1.02 (26) R .1 (2.5) SUP OUT SMC K C O P A A L U S H .5 (12) 1.61, 2.13 [41 (K40)], [49 (K50)] 2.13 (54) .98 (25) 1.6 (max. thickness 4.5) 1.73 (44) .21 (5.4) 3.13 (79.5) (when regulating pressure = 3.23

Ionizer Series IZS31

Power supply cable full length Nil P NPN specification PNP specification Symbol 01 02 Cable full length 1 m 2 m Individual Special Order (Please contact an SMC sales representative.) Note 1) 11 m or longer power supply cables are not CE Marking-compliant. Note 2) Use standard power supply cables for 3 m and 10 m lengths.

Series ARP20 to ARP40 10- 10- 21- 21- Direct฀Operated฀Precision฀Regulator Series ARP20K to ARP40K 10- 10- Direct฀Operated฀Precision 21- 21- Regulator฀with฀Backflow฀Function

Example) 10-ARP30K-03BG-1RY Clean room compliant, copperfree, fluorine-free, silicone-free Clean room compliant Symbol Description 20 30 40 Body size 20 30 40 Body size Nil K Without backflow function With backflow function With backflow function + Nil N F Thread type Rc NPT G + 01 02 03 04 1/8 1/4 3/8 1/2 Port size + Nil B Note 2) H a Without mounting option With bracket With set nut (For

Series AR-B 10- 21- Regulator Series ARK-B 10- Regulator with 21- Backflow Function

Option/Semi-standard symbol: When more than one specification is required, indicate in alphanumeric order. q Symbol Description Body size 20 30 40 50 60 25 Nil K Note 1) Without backflow function With backflow function With backflow function w + Nil N F Thread type e Rc NPT G + 01 02 03 04 06 10 1/8 1/4 3/8 1/2 3/4 1 Port size r + Nil B Note 3) H Note 2) a Without mounting option With bracket

Series ARP20 to ARP40 10- 10- 21- 21- Direct฀Operated฀Precision฀Regulator Series ARP20K to ARP40K 10- 10- Direct฀Operated฀Precision 21- 21- Regulator฀with฀Backflow฀Function

Example) 10-ARP30K-03BG-1RY Clean room compliant, copperfree, fluorine-free, silicone-free Clean room compliant Symbol Description 20 30 40 Body size 20 30 40 Body size Nil K Without backflow function With backflow function With backflow function + Nil N F Thread type Rc NPT G + 01 02 03 04 1/8 1/4 3/8 1/2 Port size + Nil B Note 2) H a Without mounting option With bracket With set nut (For

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 2 (Double Acting), Port Size: 02 (1/4, Class 2), Thread: N (NPT), Material: C (Body: PFA, Endplate: PPS, Diaphragm: PTFE)

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 2 (Double Acting), Port Size: 02 (1/4, Class 2), Thread: R, Rc, Material: C (Body: PFA, Endplate: PPS, Diaphragm: PTFE), Option: 1 (Flow Rate Adjustment)

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: S (Body: 316 SS; Poppet: 316 SS; Diaphragm: Hastelloy® C-22), Ports: 2P [2 Ports (1-In; 2-Out)], Connections, Inlet: 8T (1/2 Inch Compression), Connections, Outlet: 8T (1/2 Inch Compression), Gauge Port, Outlet 3: No Gauge Port, Gauge Port, Outlet 4: No Gauge Port, Pressure Gauge Unit: psig/bar (or None in Case of no Gauge

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: S (Body: 316 SS; Poppet: 316 SS; Diaphragm: Hastelloy® C-22), Ports: 2P [2 Ports (1-In; 2-Out)], Connections, Inlet: 8 (NPT 1/2 Inch), Connections, Outlet: 8 (NPT 1/2 Inch), Gauge Port, Outlet 3: No Gauge Port, Gauge Port, Outlet 4: No Gauge Port, Pressure Gauge Unit: psig/bar (or None in Case of no Gauge), Seat Material:

Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Material: S (Body: 316L SS Secondary Remelt; Poppet: 316L SS; Diaphragm: Hastelloy® C-22; Nozzle: 316L SS), Surface Finish: M [10 μin. (0.25 μm)], Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: TW8 (1/2 Inch Tube Weld), Connections, Outlet: TW8 (1/2 Inch Tube Weld), Gauge Port, Inlet: No Gauge Port, Gauge Port, Outlet: No

SMC offers a variety of pressure gauges including general purpose, oil-free/external parts copper-free with limit indicator, clean series and a pressure gauge with a pressure switch.  Pressure ranges vary from 0 to 1.5MPa, depending on the selected gauge.  Panel mounting is possible.General purpose gauge w/limit indicator , Back or vertical side thread , Indication precision: ±3% F.S. (full