This is a legacy product, and replaced byAR20K-N01BG-Z-B, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, CC, AR MASS PRO 1/8 MODULAR (NPT), .82172 lb
IR1000-A, IR2000-A, and IR3000-A series precision regulators as well as IR1200-A, IR2200-A, and IR3200-A series regulators were released in August 2014. 
Body Size: 1, Set Pressure: 0.02 to 0.2 MPa, Exhaust Direction: Bottom Exhaust, Thread: NPT, Port Size: 1/8, Option: B + G, Semi-standard: R + V + Z
Body Size: 1, Set Pressure: 0.02 to 0.2 MPa, Exhaust Direction: Bottom Exhaust, Thread: NPT, Port Size: 1/8, Option: B + G, Semi-standard: R + Z
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), Semi-standard: RZ (R + Z)
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), Semi-standard: RVZ (R + V + Z)
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), Semi-standard: VZ (V + Z)
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
IR1200-A/2200-A/3200-A Series high-flow-rate regulator that handles up to about twice the flow rate of conventional products.Features · Air consumption: 0 bleed air.· Lightweight type with approximately 27% weight reduction.· Repeatability: ±1% (full span).
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: H (w/Hexagon Panel Nut, for Panel Mount), Semi-standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi)
Series IR Precision Regulators are designed to be compact and light weight. The maximum set pressure has been expanded from the conventional 0.7MPa to 0.8MPa. Relief flow has been increased by nearly 5 times (compared to SMC IR201, IR401). The optio Y. "REGULATOR. N lb. IR.
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: B (w/Bracket), Semi-standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi)
Body Size: 1, Set Pressure: 0.02 to 0.2 MPa, Exhaust Direction: Bottom Exhaust, Thread: NPT, Port Size: 1/8, Option: G + H, Semi-standard: Name Plate & Pressure Gauge in Imperial Units: psi
Body Size: 1, Set Pressure: 0.02 to 0.2 MPa, Exhaust Direction: Bottom Exhaust, Thread: NPT, Port Size: 1/8, Option: B + EB, Semi-standard: Name Plate & Pressure Gauge in Imperial Units: psi
Body Size: 1, Set Pressure: 0.02 to 0.2 MPa, Exhaust Direction: Bottom Exhaust, Thread: NPT, Port Size: 1/8, Option: Round Type Pressure Gauge, Semi-standard: Name Plate & Pressure Gauge in Imperial Units: psi
Body Size: 1, Set Pressure: 0.02 to 0.2 MPa, Exhaust Direction: Bottom Exhaust, Thread: NPT, Port Size: 1/8, Option: w/Hexagon Panel Nut, for Panel Mount, Semi-standard: Name Plate & Pressure Gauge in Imperial Units: psi
Body Size: 1, Set Pressure: 0.02 to 0.2 MPa, Exhaust Direction: Bottom Exhaust, Thread: NPT, Port Size: 1/8, Option: PNP Open Collector, 1 Output, Semi-standard: Name Plate & Pressure Gauge in Imperial Units: psi
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: ED (NPN Open Collector, 1 Output + Analog Current Output), Semi-standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi)
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: GH (G + H), Semi-standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi)
Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: BEB (B + EB), Semi-standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi)