Size: 30 (3/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: None, Pressure Gauge Angle: G2 (90°), Accessory 2: H (Set Nut), Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: YZ (Combination of Y + Z), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G2 (90°), Accessory 2: H (Set Nut), Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G2 (90°), Accessory 2: None, Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G4 (270°), Accessory 2: H (Set Nut), Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

Size: 30 (3/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: Z (Name Plate & Gauge w/PSI), B: B, Made to Order: X406 (0.4 MPa Setting)

This is a legacy product, and replaced byARG30-N03G1H-Z-B-X406 ARG REGULATOR W/PRESSURE GAUGE. REGULATOR, GAUGE-HANDLE. AIRLINE EQUIPMENT. ARG 3/8 MODULAR, NPT. 1.03621 lb. EC.

Body Size: 40, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 03 (3/8), Options: B (w/Bracket), 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), Made to Order: X406 (0.4 MPa Setting)

Body Size: 30, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: BE (B+E), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale), Made to Order: X406 (0.4 MPa Setting)

This is a legacy product, and replaced byAR20-N01-Z-B-X406, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, CC, AR MASS PRO 1/8 MODULAR (NPT), 0.48501 lb

This is a legacy product, and replaced byAR20-N02-Z-B-X406, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DC, AR MASS PRO 1/4 MODULAR (PT), 0.44092 lb

This is a legacy product, and replaced byAR20-N02E-Z-B-X406, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DC, AR MASS PRO 1/4 MODULAR (PT), 0.44092 lb

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

This is a legacy product, and replaced byAR20-N01H-Z-B-X406, REGULATOR, MODULAR *LQA, AIRLINE EQUIPMENT, AR REGULATOR, CC, AR 1/8INCH MODULAR (NPT), 0.56222 lb

This is a legacy product, and replaced byAR25-N02GH-Z-B-X406

This is a legacy product, and replaced byARG20K-N01G1H-Z-B-X406, REGULATOR, GAUGE-HANDLE, AIRLINE EQUIPMENT, ARG REGULATOR W/PRESSURE GAUGE, CC, ARG 1/8 MODULAR, NPT, .80960 lb, Regulator with Built-in Pressure GaugeSeries ARGPages 20 to 23ModelPort sizeAccessoryRegulator with Built-in Pressure Gauge with Back Flow Mechanism Series ARG KPages 24 to 28ARG20KARG20K1/8, 1/4BracketSet

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: B (w/Bracket), 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), Made to Order: X406 (0.4 MPa Setting)