Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: N (Non-Relieving Exhaust Mechanism)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1N (1 + N)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1NR (1 + N + R)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1R (1 + R)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: RY (R + Y)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1Y (1 + Y)

Body Size: 20, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 01 (1/8), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: NY (N + Y)

Side, Connection Diameter: 1/8, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 20, Accessory: With Bracket, Set Pressure: 0.02 to 0.2 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Custom-made Specifications: None, Handle Direction / Position: Handle downward

, Connection Diameter: 1/8, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 20, Accessory: With Bracket, Set Pressure: 0.02 to 0.2 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Custom-made Specifications: None, Handle Direction / Position: Handle downward

, Connection Diameter: 1/8, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 20, Accessory: With Bracket, Set Pressure: 0.02 to 0.2 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Custom-made Specifications: None, Handle Direction / Position: Handle upward

Side, Connection Diameter: 1/8, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 20, Accessory: With Bracket, Set Pressure: 0.05 to 0.7 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Custom-made Specifications: None, Handle Direction / Position: Handle downward

, Connection Diameter: 1/8, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 20, Accessory: With Bracket, Set Pressure: 0.05 to 0.7 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Custom-made Specifications: None, Handle Direction / Position: Handle downward

, Connection Diameter: 1/8, Pressure Gauge: [Not Provided] No Pressure Gauge, Size of Body: 20, Accessory: With Bracket, Set Pressure: 0.05 to 0.7 MPa, Pressure Unit: Nameplate and pressure gauge units: MPa, Custom-made Specifications: None, Handle Direction / Position: Handle upward

Options include a mounting bracket and set nuts for panel mounting, and a pressure gauge.

This is a legacy product, and replaced byAW20-01B-2-B-X480, N, "FILTER/REGULATOR

The AR20~40-X48 is an epoxy coated version of the standard modular AR series regulator.  The coating provides an economical alternative for extended life in aggressive or washdown environments. Available sizes: 1/8, 3/8, 1/2 ; Epoxy resin coating & stainless hardware for enhanced protection in corrosive manufacturing environments ; Port sizes: 1/4, 3/8, 1/2 ; NPT threads

The AR20~40-X48 is an epoxy coated version of the standard modular AR series regulator.  The coating provides an economical alternative for extended life in aggressive or washdown environments. Available sizes: 1/8, 3/8, 1/2 ; Epoxy resin coating & stainless hardware for enhanced protection in corrosive manufacturing environments ; Port sizes: 1/4, 3/8, 1/2 ; NPT threads

Body Size: 20, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 01 (1/8), Mounting: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2MPa), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Unit: Name Plate and Pressure Gauge in Imperial Units; MPa

Body Size: 20, Back Flow: w/o Backflow Function, Thread: Rc, Port Size: 01 (1/8), Mounting: 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: Rc, Port Size: 01 (1/8), Options: w/o Mounting Option, 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