Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 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: 20, Backflow: w/o Backflow Function, Thread: F (G), Port Size: 01 (1/8), Options: H (w/Set Nut, for Panel Mount), Set Pressure: 1 (0.02 to 0.2 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: 20, Backflow: w/o Backflow Function, Thread: F (G), Port Size: 02 (1/4), Options: BG (B+G), Set Pressure: 1 (0.02 to 0.2 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: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: E3 (Output: PNP; Electrical Entry: Wiring Bottom Entry), Set Pressure: 1 (0.02 to 0.2 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

The ARP is a modular style, direct operated precision regulator.  A locking adjustment knob allows the pressure to be set, and then locked to prevent accidental setting changes. The ARP20/30/40 series is available with a back flow function that exhausts the air pressure in the outlet side reliably and quickly. 

Body Size: 30, Backflow: w/o Backflow Function, Thread: F (G), Port Size: 02 (1/4), Options: H (w/Set Nut, for Panel Mount), 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: 20, Back Flow: K (w/Backflow), Thread: F (G), Port Size: 02 (1/4), Mounting Option: H (With Set Nut for Panel Mount), Float Type Auto Drain Option: Without Auto Drain, Pressure Gauge/Switch Option: Without Pressure Gauge, 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

Size: 20, Backflow Function: None, Thread: F (G), Port Size: 02 (1/4), Accessory: H (Set Nut for Panel Mount), Specifications: 3 (0.008 to 0.6 MPa Setting)

Size: 30, Backflow Function: None, Thread: F (G), Port Size: 02 (1/4), Accessory: H (Set Nut for Panel Mount), Specifications: 3 (0.008 to 0.6 MPa Setting)

Size: 3/8, Reverse Flow Function: Standard, Thread: G, Port Size: 1/4, Accessory 1: None, Accessory 2: Panel Mount, Option 1: Nylon Bowl, Option 2: -, Option 3: -

Size: 1/8, Reverse Flow Function: Backflow Mechanism, Thread: G, Port Size: 1/4, Accessory 1: None, Accessory 2: Panel Mount, Option 1: None, Option 2: C [Bowl Guard (Size 2000 Only)], Option 3: -

Size: 1/8, Reverse Flow Function: Standard, Thread: G, Port Size: 1/4, Accessory 1: None, Accessory 2: Panel Mount, Option 1: None, Option 2: C [Bowl Guard (Size 2000 Only)], Option 3: -

Size: 1/8, Reverse Flow Function: Standard, Thread: G, Port Size: 1/4, Accessory 1: None, Accessory 2: Panel Mount, Option 1: Metal Bowl, Option 2: -, Option 3: -

Body Size: -, Thread: -, Port Size: -, Mounting: -, Float Type Auto Drain: -, Pressure Gauge: -, Set Pressure: -, Bowl Type: -, Bowl Guard: -, Drain Port: -, Exhaust Mechanism: -, Flow Direction: -, Drain Cock w/Barb Fitting: -, Pressure Unit: -

Body Size: 25, Backflow: w/o Backflow Function, Thread: F (G), Port Size: 02 (1/4), Options: H (w/Set Nut, for Panel Mount), 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: 20, Backflow: K (w/Backflow Function), Thread: F (G), Port Size: 02 (1/4), Options: H (w/Set Nut, for Panel Mount), 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

Control Side, Connection Diameter: 1/4, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 20, Accessory: With set nut (for panel mount), Set Pressure: 0.05 to 0.85 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Handle Direction / Position: Handle downward

, Connection Diameter: 1/4, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 25, Accessory: With set nut (for panel mount), Set Pressure: 0.05 to 0.85 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Handle Direction / Position: Handle downward

Control Side, Connection Diameter: 1/4, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 25, Accessory: With set nut (for panel mount), Set Pressure: 0.05 to 0.85 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Handle Direction / Position: Handle downward

Regulator Unit Combination: Filter Regulator, Port Size: G1/4, Filter Rating: 5μm, Compressed Air Quality: -, Maximum Operating Pressure(MPa): 1, Case Material: [Resin] Polycarbonate Case, Case Guard: No, Exhaust Structure: Relief type, Flow Direction: [Standard Flow (Left to Right)] Left to right, Drain Cock: [Not Provided] No, Pressure Gauge: No (No Pressure Port Plug), Size of Body: 20