Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: E (Square Embedded Type Pressure Gauge, w/Limit Indicator), 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)

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: N (Non-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, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 01 (1/8), Options: BE (B+E), 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: Flow Direction: Left to Right, 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: 01 (1/8), 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: N (Non-relieving), Flow Direction: Flow Direction: Left to Right, 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: 01 (1/8), Option: CG (C + G), Attachment: STV (S + T + V), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: NRZ (N + R + Z)

Body Size: 20, Backflow: K (w/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)

Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Options: H (w/Set Nut, for Panel Mount), 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)

Special Applications: 10-AR (Clean Series), Body Size: 20, Reverse Flow: No, Thread: N (NPT), Port Size: 01 [1/8 (Size 20)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: NZ (N+Z)

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: 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: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: NRYZ (N + R + Y + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: H (Set Nut for Panel Fitting), Semi-Standard: NYZ (N + Y + Z)

Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: N (SS/Ag, Seals: FKM, Class H), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: T (with Conduit Terminal), Surge Suppressor: L (w/Light), Rectifier: None (for DC or AC Class H Coil)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: C (N.C. Float Type Auto Drain), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: NRZ (N + R + Z)

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: 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: K (w/Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Options: M (Round Type Pressure Gauge, w/Color Zone), Set Pressure: 1 (0.02 to 0.2 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, Pipe Thread: N (NPT), Port Size: 01 (1/8), Mounting: w/o Mounting Option, Nominal Filtration Rating: 40 (40µ), Water Removal Type: S (Water Drop Removal Type), Semi-standard: 6RZ (6 + R + Z)

Body Size: 1, Set Pressure: 0 (Body Size 1, 2: 0.73 to 29 psi [0.005 to 0.2 MPa]; Body Size 3: 1.5 to 29 psi [0.01 to 0.2 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: B (w/Bracket), Semi-standard: VZ (Downward + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 1, Set Pressure: 0 (0.02 to 0.2 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: H (w/Hexagon Panel Nut, for Panel Mount), Semi-standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 1, Set Pressure: 1 (1.5 to 58 psi [0.01 to 0.4 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: G (Round Type Pressure Gauge), Semi-standard: Z (Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 1, Set Pressure: 1 (1.5 to 58 psi [0.01 to 0.4 MPa]), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 01 (1/8), Option: EA (NPN Open Collector, 1 Output), Semi-standard: ZA (Digital Pressure Switch: With Unit Conversion Function)