Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Options: w/o Mounting Option, Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard: RYZ (R + Y + Z)

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: G (Round Type Pressure Gauge, w/Limit Indicator), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 30, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 02 (1/4), Option: D (N.O. Float Type Auto Drain), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 20, Thread: Rc, Port Size: 02 (1/4), Option: C (N.C., Float Type Auto Drain), Semi-Standard 1: CR (C + R), Semi-Standard 2: Standard

Body Size: 20, Back Flow: K (w/Backflow), Thread: Rc, Port Size: 02 (1/4), Options: H (w/Set Nut; for Panel Mount), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: C (w/Bowl Guard), Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Product: MPa, °C;

Body Size: 30, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 02 (1/4), Option: BDM (B + D + M), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: R (Flow Direction: Right to Left)

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: N (Non-relieving Type), Flow Direction: R (Right to Left), Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 20, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 02 (1/4), Options: BG (B+G), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi (and MPa

Body Size: 20, Back Flow: K (w/Backflow), Thread: Rc, Port Size: 02 (1/4), Options: BE (B+E), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Product: MPa, °C; Pressure Gauge: MPa

Body Size: 20, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 02 (1/4), Options: BE (B+E), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: J (Body Size 20: 1/8; Body Size 30 & 40: 1/4), Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: CG (C + G), Semi-Standard 1: 6C (w/Bowl Guard, Nylon Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: N (NPT), Port: 02 (1/4), Option: DG (D + G), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 25, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: C (N.C. Float Type Auto Drain), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: 12 (1 + 2), Semi-Standard 2: NRZ (N + R + Z)

Body Size: 40, Thread: F (G), Port Size: 02 (1/4), Option: BD (B + D), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Standard

Body Size: 40, Thread: N (NPT), Port Size: 02 (1/4), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: 2R (2 + R), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Y (Upward), Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: H (Set Nut for Panel Mount), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 25, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Options: H (w/Set Nut, for Panel Mount), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)