Size: 20, Backflow Function: K (Backflow Function), Thread: Rc, Port Size: 02 (1/4), Accessory: E1 (NPN Output, Electrical Entry: Wiring Bottom Entry), Specifications: 3Y (3+Y)

Size: 20, Backflow Function: None, Thread: Rc, Port Size: 02 (1/4), Accessory: BG (B+G), Specifications: 3Y (3+Y)

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: None, Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: B (Bracket), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Body Size: 2 (1/8, 14), Type: 2 (Elbow), Control Type: 0 (Meter-out), Model: 1FS, Thread: N (NPT), Port Size: 02 (1/4), Width Across Flats: 9 mm (or None: Sizes 2/3/4), Applicable Tubing: 08 (ø8), Seal: S (with Sealant)

Body Size: 2 (1/8, 1/4), Type: 3 (Universal), Control Type: 1 (Meter-in), Indicator Direction: 1 (180°), Thread: R, Port Size: 02 (1/4), Width Across Flats: 9mm, Tubing: 07 (ø1/4"), Seal: S (w/Sealant)

Size: 20 (1/8), Reverse Flow Function: K (Reverse Flow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: None, Pressure Gauge Angle: G1 (Mounting Angle 0°), Accessory 2: None, Option 1: None, Option 2: C (Bowl Guard for Size 20 Only), Option 3: Z (Name Plate, Bowl Caution Plate & Gauge w/PSI), B: B

Body Size: 2, 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: 02 (1/4), Option: None, Semi-standard: VZ (Downward + Name Plate & Pressure Gauge in Imperial Units: psi)

Body Size: 2000, Port Thread: N (NPT), Port Size: 02 (1/4), Option: None, Voltage: 3 [110 VAC (115 VAC)], Electrical Entry: D (Type D, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Flow Direction, Pressure Unit: Z (Name Plate and Pressure Gauge in Imperial Units)

Body Size: 30, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 03 (3/8), OUT Port Size: 02 (1/4), Options: E4 (Output: PNP output / Electrical entry: Wiring top entry), Set Pressure: 0.05 TO 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: ZA (Digital Pressure Switch: w/Unit Selection Function)

Body Size: 30, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 03 (3/8), OUT Port Size: 02 (1/4), Options: EH (Square embedded type pressure gauge, with limit indicator + w/Set Nut, for Panel Mount), Set Pressure: 0.05 TO 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale

Body Size: 30, Backflow: without Backflow Function, Thread: N (NPT), IN Port Size: 03 (3/8), OUT 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, Knob: Downward, Pressure Unit: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 30, Backflow: without Backflow Function, Thread: F (G), IN Port Size: 03 (3/8), OUT Port Size: 02 (1/4), Options: w/o Mounting Option, Set Pressure: 1 (0.02 to 0.2 MPa Setting, Exhaust Mechanism: Relieving Type, Knob: Downward, Pressure Unit: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa