The AR20K-B to AR60K-B and the AR20K-D to AR40K-D are regulators with a backflow function.
For example, if you want to install a regulator between a valve and a cylinder, select a regulator with a backflow function for the smooth flow of the cylinder return side compressed air to the regulator.

Compact Hydraulic Cylinder

Auto Switches: Proper Mounting Positions and Mounting Heights for Stroke End Detection D-M9m D-M9mW D-M9mAL D-A9m D-M9mV D-M9mWV D-M9mAVL D-A9mV 32 to 100 20 Approx. U 25 B A Approx. U 20 32 to 100 D-F7m D-J79 D-F7mW D-J79W D-F79F D-A7m D-A80 D-A7mH D-A80H D-F7NTL D-F7BAL D-J79C D-A79W D-F7mWV D-J7mV D-F7BAVL D-A73C D-A80C CHQ CHKm CHN Approx. U CHM B A Approx.

Hydraulic

U D-A79W D-F7WV D-F7V D-F7BAVL A B A B Proper auto switch mounting positions (mm) D-A7H, D-A80H D-A73C, D-A80C D-F7 D-F7V D-F7W, D-F7WV D-J79 D-J79C, D-J79W D-F7BA D-F9 D-F9V D-F9W D-F9WV D-A7 D-A80 D-A9 D-A9V D-A79W D-F7NTL D-F7F D-F9BAL Bore size (mm) A B A A A A B A A A B B B B B B 20.5 11.5 21 18 25 26 12 9 16 17 20 27 20 27.5 24.5 31.5 26 19 30 29 32.5 20.5 17.5 24.5 23 22 25.5 32

JIS Standard Hydraulic Cylinder

D-G5BA/G5NT D-G39/K39 D-A9/A9V D-A5/A6 D-A59W D-B5/B64 D-B59W D-A3/A44 D-M9/M9V D-M9W/M9WV D-M9A/M9AV D-F5/J59/F59F D-F5W/J59W D-F5BA/F5NT D-G5/K59/G59F D-G5W/K59W D-G5BA/G5NT D-G39/K39 D-A9/A9V D-A5/A6 D-A59W D-B5/B64 D-B59W D-A3/A44 5.5 6 7 5.5 6.5 5.5 6 7 5.5 6.5 CHQ 4.5 4 4.5 4.5 4.5 4.5 4.5 4 4.5 4.5 4.5 4.5 CHK 4.5 5 5 6.5 6.5 4.5 5 5 6.5 6.5 CHN 8 12 9.5 11 10 8.5 13 10.5

JIS Standard Hydraulic Cylinder Series CH2E/CH2F/CH2G/CH2H

Hs Reed switch D-A44 A A 49.5 Auto switch 19 Series CH2E/CH2F/CH2G/CH2H JIS Standard Hydraulic Cylinder Double Acting: Single Rod Auto switch mounting height Unit: mm D-B5/B6 D-B59W D-G5/K59 D-G5W/K59W D-G5BAL D-G59F/G5NTL D-F5/J5 D-F5W/J59W D-F5BAL/F59F D-F5NTL D-A5/A6 D-A59W D-A3 D-G39/K39 D-A44 Bore size (mm) Hs Ht Hs Ht Hs Hs Hs CH2E 35 29.5 35 29.5 33.5 CH2F 34.5 30 34.5 30 32 32

Series VS

PORT LOCATION D DOWN STREAM U UP STREAM B BOTH P, EXH.

AR20-B to AR60-B

AR20-B, AR20K-B Nq Body size 20 25 30 40 50 60 Symbol Description c Set pressure *6 Nil 0.05 to 0.85 MPa setting 1 0.02 to 0.2 MPa setting + d Exhaust mechanism Nil Relieving type N Non-relieving type + Semi-standard e Flow direction Nil Flow direction: Left to right R Flow direction: Right to left + Ny f Knob Nil Downward Y Upward + g Pressure unit Nil Name plate and pressure gauge in SI

Modular Type Air Filters Series AF

D-R Note 3) Options for 2, 6, and 8 can not be specified at the same time. (Ex.) 68 Note 4) Symbols 9, D, J can not be specified at the same time. (Ex.) 9-D-J Note 5) For products with auto drain, either symbol D or J cannot be specified at the same time because of female threads (3/8 or 1/8), for connection to drain piping.

Secondary Batteries

-900, D-M9BWSDPC-900 and D-A90L-900.

Conforming to ISO Standard Solenoid Valve (with M12 Connector) Series EVS7-6/7-8/7-10 (Size 1) (Size 2) (Size 3) 1

T 02 03 Port thread Nil T F Rc NPTF G Size 1 2 3 Size 1 Size 2 Size 3 Location of P, EA, EB port Number of stations D U Bottom Top 1 1 station 10 10 stations Size of P, EA, EB port Note) SU and TBU require one station. 02 03 04 06 10 1/4 3/8 1/2 3/4 1 Location and size of A, B port 02 03 04 06 10 02B 03B 04B Side 1/4 Side 3/8 Side 1/2 Side 3/4 SIde 1 Bottom 1/4 Bottom 3/8 Bottom 1/2 Option

Body Size: 40, Backflow: K (w/Backflow Function), Thread: Rc, Port Size: 03 (3/8), Options: B (w/Bracket), 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: 40, Backflow: w/Backflow Function, Thread: Rc, Port Size: 3/8, Options: w/Bracket, 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

Table of Contents

(kg) Applicable dryer Port size NPT A B C D E D E Part no.

Modular F.R.L. Units

D-G

Membrane Air Dryer

D-DN

Modular Type Lubricators Series AL

Note 3) Bowl assembly for the AL30 to AL60 models comes with a bowl guard (steel band material). 511 Series AL10 to AL60 Dimensions AL10 AL20 J M U T N S D Bracket (Option) A B C R B C Q IN OUT IN OUT OUT 2 x P (Port size) OUT 2 x P (Port size) Clearance for maintenance G Clearance for maintenance A G AL30, AL40 AL50, AL60 Bracket (Option) T N S T M U M U D J D J N S Bracket (Option) R B

IDG

Note) When the symbol C or D is designated, the same part number of an auto-drain listed on page 14-19-33 will come together.

ISO Interface

C US How to order ISO 5599/2 Plug-in Manifold VV8 1 5 02 03 D T Size 1 Size 1 2 Size 2 3 Size 3 Port Thread Rc(Pt) T NPTF F G(PF) Number of Stations 1 1 Station Location of P, EA, EB port D Bottom U Top 10 10 Station Note) SU and TBU require one station.

Series VS

Series VS R8 S HOW TO ORDER ISO5599/2 VALVE MANIFOLD VV8 2 5 03 TU1 03 D T W1 W1=NEMA 4 ISO Size 1 Size 1 Port Thread Code 2 Size 2 3 Size 3 NIL Rc (PT) T NPTF F G(PF) Location of port 1(P), 5(EA), 3(EB) Number of Stations D D side 2 2 stations U U side B Both side 9 9 stations Size of port 1(P), 5(EA), 3(EB) Symbol Size Applicable ISO size 02 1/4 Size 1 U side option 03 3/8 Size 1

Body Size: 40, Backflow: K (w/Backflow Function), Thread: Rc, Port Size: 03 (3/8), Options: B (w/Bracket), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Y (Upward), Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa