Size: 1/2, Reverse Flow: Regulator w/Backflow Mechanism, Thread: NPT, Port Size: 1/2, Accessory: Square Recessed Pressure Gauge, Option 1: 0.02~0.2MPa Setting, Option 2: Y+Z

Size: 1/2, Reverse Flow: Regulator w/Backflow Mechanism, Thread: NPT, Port Size: 3/4, Accessory: Panel Mount w/Set Nut, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F

Size: 1/2, Reverse Flow: Regulator w/Backflow Mechanism, Thread: M Thread, Rc(PT), Port Size: 3/8, Accessory: B+G, Option 1: None, Option 2: Flow Direction: Right->Left

Body Size: 40, Backflow: K (w/Backflow Function), Thread: Rc, 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: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 40, Backflow: K (w/Backflow Function), Thread: Rc, Port Size: 03 (3/8), Options: BM (B+M), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: V (Pressure Switch for Vacuum w/Energy Saving Function, Compound Pressure 1 Output), Output: B (PNP Open Collector), Unit: w/Unit Switching Function, Lead Wire: W (Lead Wire for Switch w/Energy Saving Function; Length: 2 m; Included)

Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: B (PNP Open Collector), Unit: P (w/Unit Switching Function, Initial Value psi), Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: A (NPN Open Collector), Unit: w/Unit Switching Function, Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included), Option: B (Adapter Assembly for Bottom Mounting, Included)

Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: V (Pressure Switch for Vacuum w/Energy Saving Function, Compound Pressure 1 Output), Output: B (PNP Open Collector), Unit: w/Unit Switching Function, Lead Wire: W (Lead Wire for Switch w/Energy Saving Function; Length: 2 m; Included)

Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: V (Pressure Switch for Vacuum w/Energy Saving Function, Compound Pressure 1 Output), Output: B (PNP Open Collector), Unit: w/Unit Switching Function, Lead Wire: W (Lead Wire for Switch w/Energy Saving Function; Length: 2 m; Included)

Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: D (Push-turn Locking Slotted Type), Vacuum Pressure Sensor: V (Pressure Switch for Vacuum w/Energy Saving Function, Compound Pressure 1 Output), Output: B (PNP Open Collector), Unit: w/Unit Switching Function, Lead Wire: W (Lead Wire for Switch w/Energy Saving Function; Length: 2 m; Included)

Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: F (Vacuum Pressure Switch, Compound Pressure 2 Outputs), Output: B (PNP Open Collector), Unit: P (w/Unit Switching Function, Initial Value psi), Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: D (Push-turn Locking Slotted Type), Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: B (PNP Open Collector), Unit: P (w/Unit Switching Function, Initial Value psi), Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

), Light/Surge Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: B (PNP Open Collector), Unit: w/Unit Switching Function, Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

), Light/Surge Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: B (PNP Open Collector), Unit: w/Unit Switching Function, Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

), Light/Surge Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: B (PNP Open Collector), Unit: P (w/Unit Switching Function, Initial Value psi), Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: GN [w/Vacuum Pressure Detection (G) port, (Rc1/8, G1/8, NPT1/8)], Output: None, Unit: w/Unit Switching Function, Lead Wire: w/o Lead Wire with Connector, Option: B (Adapter Assembly for Bottom Mounting, Included)

), Light/Surge Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: B (PNP Open Collector), Unit: w/Unit Switching Function, Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

Voltage Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: E (Vacuum Pressure Switch, Vacuum 2 Outputs), Output: B (PNP Open Collector), Unit: P (w/Unit Switching Function, Initial Value psi), Lead Wire: G (Lead Wire w/Connector; Length: 2 m; Included)

Supprressor: Z (w/Light Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Vacuum Pressure Sensor: V (Pressure Switch for Vacuum w/Energy Saving Function, Compound Pressure 1 Output), Output: B (PNP Open Collector), Unit: M (SI Unit Only, kPa), Lead Wire: W (Lead Wire for Switch w/Energy Saving Function; Length: 2 m; Included)