Special Applications: 21-AR (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 25, Reverse Flow: No, Thread: N (NPT), Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Z (Nameplate/Caution Plate for Bowl in Imperial Units )

Digital Pressure Switch (Built-in Regulator Type) ISE35 Series ®

Model Product series AC20/AC25/AC30/AC50/AC55/AC60 AC20A/AC30A/AC40A/AC50A/AC60A AC20B/AC25B/AC30B/AC50B/AC55B/ AC60B AC20C/AC25C/AC30C/AC40C AC20D/AC30D/AC40D AR20 (K) /AR25 (K) /AR30 (K) /AR40 (K) / AR50 (K) /AR55 (K) /AR60 (K) AW20 (K) /AW30 (K) /AW40 (K) /AW60 (K) F.R.L. combination Option/Part No.

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.

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.”

When assembling high-pressure special order products, AF20 to 60-*-A-X425 and AR20 to 60-*-B-X425, prepare a nipple for installation.

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), 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: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale), Made to Order: X406 (0.4 MPa Setting)

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: BG [B+G (Size 20 to 60)], Option: Nameplate/Caution Plate for Bowl in Imperial Units

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: BG [B+G (Size 20 to 60)], Option: Z (Nameplate/Caution Plate for Bowl in Imperial Units )

Body Size: 20, Backflow: w/o Backflow Function, Thread: NPT, Port Size: 1/4, Options: 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: psi, Pressure Gauge: MPa/psi Dual Scale, Made to Order: 0.4 MPa Setting

Special Applications: Copper, Fluorine & Silicon-free+Low Particle Generation, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 01 [1/8 (Size 20)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Nameplate/Caution Plate for Bowl in Imperial Units

Special Applications: Copper, Fluorine & Silicon-free+Low Particle Generation, Body Size: 20, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: Nameplate/Caution Plate for Bowl in Imperial Units

Special Applications: 21-AR (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 20, Reverse Flow: No, Thread: N (NPT), Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: Z (Nameplate/Caution Plate for Bowl in Imperial Units )

Special Applications: 21-AR (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 20, Reverse Flow: No, Thread: N (NPT), Port Size: 01 [1/8 (Size 20)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Z (Nameplate/Caution Plate for Bowl in Imperial Units )

Size: 1/8, Reverse Flow: Regulator, Standard, Thread: NPT, Port Size: 1/4, Accessory: B+G, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F

Special Applications: Copper, Fluorine & Silicon-free+Low Particle Generation, Body Size: 25, Reverse Flow: Reverse Flow Mechanism, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Nameplate/Caution Plate for Bowl in Imperial Units

Special Applications: Copper, Fluorine & Silicon-free+Low Particle Generation, Body Size: 25, Reverse Flow: No, Thread: NPT, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Nameplate/Caution Plate for Bowl in Imperial Units

This is a legacy product, and replaced byIRV20-N02BG-X3

CATALOG

Adjustable Air Cushion B O R E S I Z E 20 3/4 25 1 32 1 1/4 40 1 1/2 50 2 63 2 1/2 Stroke/inch S T R O K E Stroke/Hundredths of an inch S T R O K E STOCK STROKE LIST FOR ALL STYLES SERIES NCG S Y M B O L S R U B B E R C U S H I O N E D B O R E S I Z E S TA N D A R D S T O C K E D S T R O K E M A X I M U M S TA N D A R D S T R O K E 20 1, 2, 3, 4, 5, 6, 8 20 25 1, 2, 3, 4, 5, 6, 8, 10, 12