This is a legacy product, and replaced byAR25K-N02G-1Z-B, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DC, AR MASS PRO 1/4 MODULAR (PT), .69613 lb

This is a legacy product, and replaced byAC20-N02G-2Z-B, F/R/L COMBO MODULAR, AIRLINE EQUIPMENT, AC MASS PRO, DC, AC MASS PRO 1/4 MODULAR (NPT), 1.87392 lb

This is a legacy product, and replaced byAC20A-N02G-CZ-B, FR/L COMBO MODULAR, AIRLINE EQUIPMENT, AC MASS PRO, DC, AC MASS PRO 1/4 MODULAR (NPT), 1.67660 lb, ModelComponentPort sizePressure gauge port size Note 1)FluidAmbient and fluid temperature Note 2)Proof pressureMaximum operating pressureSet pressure rangeRelief pressureNominal filtration ratingRecommended lubricantBowl materialBowl

This is a legacy product, and replaced byAC20A-N02G-3CZ-B, FR/L COMBO MODULAR, AIRLINE EQUIPMENT, AC MASS PRO, DC, AC MASS PRO 1/4 MODULAR (NPT), 1.6766 lb

This is a legacy product, and replaced byAC20D-N02G-V-CRZ-B, FR/MS COMBO MODULAR, AIRLINE EQUIPMENT, AC MASS PRO, DC, AC MASS PRO 1/4 MODULAR (NPT), 1.47143 lb, ModelComponentPort sizePressure gauge port size Note 1)FluidAmbient and fluid temperature Note 2)Proof pressureMaximum operating pressureMinimum operating pressureSet pressure rangeRelief pressureNominal filtration ratingRated

This is a legacy product, and replaced byAW20-N02G-CZ-B, FILTER REGULATOR, MODULAR, AIRLINE EQUIPMENT, AW MASS PRO, DC, AW MASS PRO 1/4 MODULAR (NPT), .91520 lb

This is a legacy product, and replaced byAW30-N02G-2Z-B-X430, FILTER REGULATOR, MODULAR, AIRLINE EQUIPMENT, AW MASS PRO, DC, AW MASS PRO 1/4 MODULAR (NPT), 1.47539 lb

This is a legacy product, and replaced byAC30-N02G-8Z-B, F/R/L COMBO MODULAR, AIRLINE EQUIPMENT, AC MASS PRO, DC, AC MASS PRO 1/4 MODULAR (NPT), 2.53939 lb

Knob Cover

Please prepare the padlock at the customers site. -8- 6Dimensions A B E D Piping Center C E D Piping Center AR-D,ARM-D series AW-D,AWM-D,AWD-D series A B C D E AR20(K)-D,AR20M(K)-D AW20(K)-D,AWM20-D,AWD20-D Applicable Part No.

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: G [Round Pressure Gauge w/o Limit Indicator (Size 20 to 60)], Option: Nameplate/Caution Plate for Bowl in Imperial Units

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: G (Round Type Pressure Gauge, w/Limit Indicator), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Regulator, Pressure Boosting Valve: Regulator, Regulator Type: Standard, Shape: Standard, Operating Environment: Standard, Compatible Fluid: Air, Exhaust Mechanism (Air Bleed): [Included] Relief, Reverse Flow Function (Relief): No, Supply Side Connection Type: [NPT] NPT, Supply Side, Connection Diameter: 1/4, Flow Direction: [Right] From Left to Right, Control Side Connection Type: [NPT]

Special Applications: 10-AR (Clean Series), Body Size: 20, Reverse Flow: No, Thread: N (NPT), Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: G [Round Pressure Gauge w/o Limit Indicator (Size 20 to 60)], Option: 1NZ (1+N+Z)

Special Applications: 10-AR (Clean Series), Body Size: 20, Reverse Flow: No, Thread: N (NPT), Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: G [Round Pressure Gauge w/o Limit Indicator (Size 20 to 60)], Option: YZ (Y+Z)

Special Applications: 10-AR (Clean Series), Body Size: 20, Reverse Flow: No, Thread: N (NPT), Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: G [Round Pressure Gauge w/o Limit Indicator (Size 20 to 60)], Option: RZ (R+Z)

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: G [Round Pressure Gauge w/o Limit Indicator (Size 20 to 60)], Option: 1+N+Z

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: G [Round Pressure Gauge w/o Limit Indicator (Size 20 to 60)], Option: Y+Z

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: G [Round Pressure Gauge w/o Limit Indicator (Size 20 to 60)], Option: R+Z

Note) The set nuts of the AR-A series and those of the AR-B/AR-D series differ in size as well as part number.
The AR-A series catalog can be found here.
The AR-B series catalog can be found here.

SMC Regulator (With Backflow Function) AR20(K)-B To AR60(K)-B Series.Features· Specifications with a backflow function feature an inbuilt mechanism for quickly exhausting the air-pressure at the outlet side.