Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: BG (B+G), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 03 (3/8), Accessory: BG (B+G), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: 1R (1 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: BG (B+G), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Accessory: BG (B+G), Specifications: 1RY (1 + R + Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 03 (3/8), Accessory: B (Bracket), Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 30, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 03 (3/8), Accessory: BG (B+G), Specifications: 3R (3 + R), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: B (Bracket), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: BG (B+G), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Body Size: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Options: BE (B+E), 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: 30, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 03 (3/8), Options: BE (B+E), 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, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 03 (3/8), Options: BG (B+G), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: 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: 50, Model Type: B (Air Filter + Regulator), Thread: N (NPT), Port Size: 06 (3/4), Float Type Auto Drain: w/o Auto Drain, Pressure Gauge/Digital Pressure Switch: E (Square Embedded Type Pressure Gauge, w/Limit Indicator), Attachment: V1 (Mounting Position: V + AF + AR*K), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl Type + Lubricator: Standard (Polycarbonate Bowl + Lubricator),

Body Size: 50, Thread: N (NPT), Port Size: 06 (3/4), Handle/Bonnet Material: B (Aluminum), Options: BS (w/Bracket + Built-in Silencer, EXH Port), Semi-Standard: KRZ (K + R + Z)

Body Size: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), IN Port Size: 03 (3/8), OUT Port Size: 02 (1/4), Options: B (w/Bracket), 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: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), IN Port Size: 03 (3/8), OUT Port Size: 03 (3/8), Options: B (w/Bracket), 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: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), IN Port Size: 04 (1/2), OUT Port Size: 02 (1/4), Options: B (w/Bracket), 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: 40, Backflow: K (w/Backflow Function), Thread: N (NPT), IN Port Size: 04 (1/2), OUT Port Size: 03 (3/8), Options: B (w/Bracket), 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)