Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: B (Bracket), 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: 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: 20 (1/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), 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)

This is a legacy product, and replaced byAR30-N02-Z-B-X406, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DC, AR MASS PRO 1/4 MODULAR (PT), .73920 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR301/4, 3/8BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure switch

This is a legacy product, and replaced byARG20K-F01G1H-B-X406, REGULATOR, GAUGE-HANDLE, AIRLINE EQUIPMENT, ARG REGULATOR W/PRESSURE GAUGE, CA, ARG 1/8 MODULAR, PT, 0.89445 lb

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X406 (0.4 MPa Setting)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Semi-Standard 1: Standard, Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X406 (0.4 MPa Setting)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X406 (0.4 MPa Setting)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: H (Set Nut for Panel Mount), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X406 (0.4 MPa Setting)

This is a legacy product, and replaced byAW20-N02-CZ-B-X406

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

Body Size: 50, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 06 (3/4), Options: BG (B+G), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: N (Non-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: 50, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 06 (3/4), Options: B (w/Bracket), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: N (Non-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)

This is a legacy product, and replaced byAR50-N06E-Z-B-X406 AR MASS PRO. REGULATOR, MODULAR. AIRLINE EQUIPMENT. AR MASS PRO 3/4 MODULAR (PT). 2.64000 lb. GC.