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: 1Z (0.02~0.2MPa Setting+NamePlate & Gauge w/PSI), B: B

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

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G3 (180°), Accessory 2: H (Set Nut), Option: Z (Name Plate & Gauge w/PSI), B: B

Size: 20 (1/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G3 (180°), Accessory 2: None, Option: NZ (Non-relieving+ Name Plate & Gauge w/PSI), B: B

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: None, Option: 1Z (0.02~0.2MPa Setting+NamePlate & Gauge w/PSI), B: B

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

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: None, Option: NZ (Non-relieving+ Name Plate & Gauge w/PSI), B: B

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: None, Option: YZ (Combination of Y + Z), B: B

AS: AS, Body Size: 2 (1/8, 1/4 Basis), Style: 3 (Universal), Control Method: 0 (Meter-out), Thread: N (NPT), Port Size: 01 (1/8), Applicable Tube OD: 07 (1/4"), Option: S (Sealant), Lock Nut: J (Round)

Model: 51 (Bottom Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 8 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 51 (Bottom Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 11 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 50 (Side Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 3 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 50 (Side Ported), Connector Type: P (Flat Ribbon Cable, 26 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 12 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 51 (Bottom Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 12 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 50 (Side Ported), Connector Type: P (Flat Ribbon Cable, 26 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 6 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 50 (Side Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 4 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 51 (Bottom Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 5 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Model: 50 (Side Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: All Double Wiring, Valve Stations: 4 Stations, P,E Port Location: U Side, A,B Port Size: 01 (1/8)

Model: 50 (Side Ported), Connector Type: F (D-sub Connector, 25 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 2 Stations, P,E Port Location: D Side, A,B Port Size: 01 (1/8)

Body Size: 2 (1/8, 1/4), Type: 3 (Universal), Control Type: 0 (Meter-out), Indicator Direction: 1 (180°), Thread: N (NPT), Port Size: 01 (1/8), Width Across Flats: 9mm, Tubing: 07 (ø1/4"), Seal: S (w/Sealant)