Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), 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)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: M [Round type pressure gauge (with color zone)], Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20A, Thread: N (NPT), Port Size: 01 (1/8), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V (3-Port Valve for Residual Pressure Release), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

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

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: GH (G+H), Specifications: 0.005 to 0.4MPa Setting, Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: Rc, Port Size: 01 (1/8), Accessory: H (Set Nut for Panel Mount), Specifications: 3Y (3+Y)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: Rc, Port Size: 01 (1/8), Accessory: BE4 (B+E4)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: G (Round Pressure Gauge w/Limit Indicator), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: Rc, Port Size: 01 (1/8), Accessory: B (Bracket), Specifications: 3Y (3+Y)

Pressure Range: 1 (0.05~0.30MPa), Thread: N (NPT), Port Size: 01 (1/8), Option: P (Panel Nut)

Pressure Range: 1 (0.05~0.30MPa), Thread: N (NPT), Port Size: 01 (1/8), Option: BG (Bracket, w/Pressure Gauge)

Pressure Range: 0 (0.05~0.85MPa), Thread: N (NPT), Port Size: 01 (1/8), Option: BG (Bracket, w/Pressure Gauge)

Pressure Range: 0 (0.05~0.85MPa), Thread: F (G(PF)), Port Size: 01 (1/8), Option: G (Pressure Gauge)

Pressure Range: 0 (0.05~0.85MPa), Thread: F (G(PF)), Port Size: 01 (1/8), Option: BG (Bracket, w/Pressure Gauge)

Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Options: EH (E+H), 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)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), Semi-Standard: YZ (Y + Z)

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), 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)