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)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: Standard, Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 3C (3 + C), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Attachment: T (T-Interface), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Attachment: V (3-Port Valve for Residual Pressure Release), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BC (B + C), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

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)

Body Size: 20, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 01 (1/8), Option: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 20, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 01 (1/8), Option: Standard, Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 20, Thread: None (Rc: for Body Size 20, 30, 40, 50, 60; M5: for Body Size 10), Port Size: 01 (1/8), Option: C (N.C., Float Type Auto Drain), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Standard

Body Size: 20, Back Flow: K (w/Backflow Function), Thread: Rc, Port Size: 01 (1/8), Mounting: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Back Flow: w/o Backflow Function, Thread: Rc, Port Size: 01 (1/8), Mounting: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Backflow: K (w/Backflow Function), Thread: F (G), Port Size: 01 (1/8), Options: GH (G+H), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Backflow: K (w/Backflow Function), Thread: F (G), Port Size: 01 (1/8), Options: H (w/Set Nut, for Panel Mount), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Backflow: K (w/Backflow Function), Thread: F (G), Port Size: 01 (1/8), Options: w/o Mounting Option, Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: BE (B+E), Set Pressure: 1 (0.02 to 0.2 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)

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: BG (B+G), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: N (Non-relieving Type), Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: w/o Mounting Option, Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: N (Non-relieving Type), Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: N (Non-relieving Type), Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)