Body Size: 20, Thread: G, Port Size: 1/4, Option: Assembly of a Bracket & Set Nuts, Semi-Standard: N + R

Side, Connection Diameter: 1/4, 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

Side, Connection Diameter: 1/4, 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: 1/4, 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: 1/4, 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

Body Size: 20, Thread: F (G), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: N (Non-Relieving Exhaust Mechanism)

Body Size: 20, Thread: F (G), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: Y (Knob, Upward)

Body Size: 20, Thread: F (G), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: R (Flow Direction: Right to Left)

Body Size: 20, Thread: F (G), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: NR (N + R)

Body Size: 20, Thread: F (G), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1N (1 + N)

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

, .00009 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator with Backflow Function Series AR KPages 346 through to 355AR20K1/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure switch(except the AR10)Panel mount

SIZE RATING, .01584 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR201/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure switch(except the AR10)Panel mount

Body Size: 20, Backflow: w/o Backflow Function, Thread: F (G), Port Size: 02 (1/4), 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

Body Size: 20, Backflow: w/o Backflow Function, Thread: G, Port Size: 1/4, 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, Made to Order: -

If option “H” is selected, a set nut will be included with the product (e.g., AR20-01GH-A).
The set nut can also be purchased as an individual part. Refer to the “Option/Part Nos.” section in the AR series catalog.
Note that the type with a bracket always includes a set nut.

Refer to the AR-A/AR-B/AR-D series catalog excerpt, which has been reproduced below.
The part number of the standard AR20 to AR60 round type pressure gauge is “G36-10-01,” or “G46-10-01”(for the R thread type).
For example, the part number of the AR30-03BG-A pressure gauge is “G36-10-01.”

Refer to the AR-A/AR-B/AR-D series catalog excerpt, which has been reproduced below.
The part numbers of standard AR20 to AR60 round type pressure gauges are “G36-10-01” and “G46-10-01”(for the R thread type).
For example, the part number of the AR30-03BG-A pressure gauge is “G36-10-01.”

Do not use the spacer (with a bracket) of the AC series unit for high-pressure specification (special order part number suffix “-X425”) products.
When assembling high-pressure special order products, AF20 to 60-*-A-X425 and AR20 to 60-*-B-X425, prepare a nipple for installation.