Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: BE (B+E), 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: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 20, Thread: Rc, Port Size: 02 (1/4), Option: C (N.C., Float Type Auto Drain), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Standard

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: w/o Mounting Option, w/o Pressure Gauge, Semi-Standard: RYZ (R + Y + Z)

Body Size: 25, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: H (w/Set Nut, for Panel Mount), Set Pressure: 1 (0.02 to 0.2 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)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: CG (C + G), Attachment: Standard, Semi-Standard 1: 3C (3 + C), Semi-Standard 2: RZ (R + Z)

Series: SV2000, Function: 4 (3 Position Exhaust Center), Pilot: Internal Pilot, Voltage: 5 (24VDC), M12 Waterproof Connector: W1 (300), Light & Surge Suppressor: R (Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 02 (1/4), Thread: F (G)

Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Options: E (Square Embedded Type Pressure Gauge, w/Limit Indicator), Set Pressure: 1 (0.02 to 0.2 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)

Body Size: 30, Thread: Rc (Rc: for Sizes 20~60; M5: for Size 10), Port Size: 02 (1/4), Mounting: None, Semi-Standard, Body Size 10: 3 (Drain Cock), Semi-Standard, Body Size 20: R (Flow Direction: Right to Left), Semi-Standard, Body Size 30, 40, 50 & 60: Standard

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: H (Set Nut for Panel Fitting), Semi-Standard: RZ (R + Z)

Body Size: 20, Backflow: w/o Backflow Function, Thread: F (G), Port Size: 02 (1/4), Options: E (Square Embedded 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: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 30, Thread: Rc, Port Size: 02 (1/4), Option: BD (B + D), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Standard

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: BC (B + C), 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: 25, Thread: N (NPT), Port: 02 (1/4), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: V1 (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: RWZ (R + W + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: GH (G + H), Semi-Standard: RYZ (R + Y + Z)

Body Size: 25, 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: 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: 40, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 02 (1/4), Options: CE (C+E), 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: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

Body Size: 20, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 02 (1/4), Options: CH (C+H), 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, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: RZ (R + Z)

Body Size: 20, 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: 2 (Metal Bowl), Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: N (Non-relieving), Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units:

Body Size: 25, Thread: N (NPT), Port: 02 (1/4), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)