Body Size: 20, Backflow: w/o 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: 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: 30, Back Flow: w/o Backflow, Thread: Rc, Port Size: 02 (1/4), Options: BD (B+D), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: 2 (Metal 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: 25, Thread: N (NPT), Port: 02 (1/4), Option: CG (C + G), Attachment: SV (S + V), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 20, Back Flow: w/o Backflow, Thread: Rc, 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: Product: MPa, °C; Pressure Gauge: MPa

Body Size: 30, Back Flow: w/o Backflow, Thread: F (G), Port Size: 02 (1/4), Options: DE (D+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: K (w/Backflow), Thread: N (NPT), Port Size: 02 (1/4), Options: E1 (NPN Output, Wiring Bottom Entry), 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: Z [Product

Body Size: 40, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 02 (1/4), Options: E (Square Embedded Type Pressure Gauge, w/Limit Indicator), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: 8 (Metal Bowl w/Level Gauge), 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

Body Size: 40, Thread: N (NPT), Port Size: 02 (1/4), Option: C (N.C., Float Type Auto Drain), Semi-Standard 1: 6R (6 + R), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: D (N.O., Float Type Auto Drain), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: C [Float Type Auto Drain (N.C.)], Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 20, Thread: Rc, Port: 02 (1/4), Option: CE (C + E), Attachment: V1 (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right->Left)

Body Size: 20, Thread: F (G), Port Size: 02 (1/4), Option: H (Set Nut for Panel Fitting), Semi-Standard: RY (R + Y)

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: E1 (Output: NPN; Electrical Entry: Wiring Bottom Entry), 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: 20, Thread: F (G), Port Size: 02 (1/4), Mounting: None, Semi-Standard, Body Size 10: Standard, Semi-Standard, Body Size 20: C (Bowl Guard), Semi-Standard, Body Size 30, 40, 50 & 60: R (Flow Direction: Right to Left)

Body Size: 40, Thread: None (Rc: for Body Size 20, 30, 40, 50, 60; M5: for Body Size 10), Port Size: 02 (1/4), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Standard

Body Size: 40, Thread: N (NPT), Port Size: 02 (1/4), Mounting: B (Bracket), Semi-Standard, Body Size 10: Standard, Semi-Standard, Body Size 20: Standard, Semi-Standard, Body Size 30, 40, 50 & 60: 8RZ (8 + R + Z)

Body Size: 25, Backflow: K (w/Backflow Function), Thread: Rc, Port Size: 02 (1/4), Options: BG (B+G), 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: 25, Thread: N (NPT), Port Size: 02 (1/4), Option: G (For Sizes 20, 25, 30, 40: Round Pressure Gauge w/Limit Indicator; For Size 10 Round Pressure Gauge w/o Limit Indicator), Semi-Standard: RZ (R + Z)

Body Size: 30, Thread: F (G), Port Size: 02 (1/4), Mounting: None, Semi-Standard, Body Size 10: R (Flow Direction: Right to Left), Semi-Standard, Body Size 20: Standard, Semi-Standard, Body Size 30, 40, 50 & 60: Standard

Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: C [Float Type Auto Drain (N.C.)], Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 3C (3 + C), Semi-Standard 2: RZ (R + Z)