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.

Direct Operated Precision Regulator/Modular Style (For Special Applications) - ARP20 to - ARP40 Direct Operated Precision Regulator with Backflow Function/Modular Style (For Special Applications) - ARP20K to - ARP40K 10 20 21 10 20 21 10 20 21 10 20 21

specifications Model P1 P2 A B Note 1) C D F J K ARP20(K) ARP30(K) ARP40(K) 28.5 Note 2) 1/8, 1/4 1/8 40 98 27 28.5 M28 x 1 2 1/4, 3/8 1/8 53 117 29 29.5 M38 x 1.5 29.5 2.5 1/4, 3/8, 1/2 1/4 70 148 41 34 M42 x 1.5 34 1 Optional specifications Square embedded type pressure gauge Digital pressure switch Round type pressure gauge Note 3) Bracket mount dimension Panel mount Model Z ARP20(K)

Series 10-, 21- ARP20 to 10-, 21- ARP40 Direct Operated Precision

Note 8) : Combination available for options : E1, E2, E3, E4. 1094 Direct Operated Precision Regulator Series ARP20 to ARP40 10211021Direct Operated Precision Regulator with Backflow Function Series ARP20K to ARP40K 10211021Specifications Model 10-ARP20 (K) 10-ARP30 (K) 10-ARP40 (K) 1/8, 1/4 1/4, 3/8 1/4, 3/8, 1/2 Port size Air Fluid 1.2 MPa Proof pressure 0.7 MPa Maximum operating pressure

Series ARP20 to ARP40 10- 10- 21- 21- Direct Operated Precision Regulator Series ARP20K to ARP40K 10- 10- Direct Operated Precision 21- 21- Regulator with Backflow Function

Note 8) : Combination available for options : E1, E2, E3, E4. 1094 Direct Operated Precision Regulator Series ARP20 to ARP40 10211021Direct Operated Precision Regulator with Backflow Function Series ARP20K to ARP40K 10211021Specifications Model 10-ARP20 (K) 10-ARP30 (K) 10-ARP40 (K) 1/8, 1/4 1/4, 3/8 1/4, 3/8, 1/2 Port size Air Fluid 1.2 MPa Proof pressure 0.7 MPa Maximum operating pressure

Direct Operated Precision Regulator Series ARP20/30/40  Sensitivity: Within 0.2% F.S.  Expanded lineup  ARJ 3 types of set pressure and the body size AR425  Energy saving, Air consumption: allow more freedom in designing a circuit. to 935 80% reduct

Cylinder: Non-lube type 1 2 1 2 2 1 2 1 1 1 VER 3 L L 2 2 VEA 10 AFM AF ARP20K/30K/40K VHS VY1 1 1 12 2 4 14 Solenoid valve: Non-lube type VBA VBAT 5 1 3 AP100 2 1 2 1 2 1 L L AFM AF ARP 701 Direct Operated Precision Regulator/Modular Type ARP20 to ARP40 RoHS Direct Operated Precision Regulator with Backflow Function/Modular Type ARP20K to ARP40K Symbol Regulator with backflow function Regulator

Direct Operated Precision Regulator ARP20/30/40 Series  Sensitivity: Within 0.2% F.S.  Expanded lineup  ARJ 3 types of set pressure and the body size AR425  Energy saving, Air consumption: allow more freedom in designing a circuit. to 935 80% reduct

Cylinder: Non-lube type 1 2 1 2 2 1 2 1 1 1 VY1 3 L L VBA VBAT 2 2 10 AFM AF ARP20K/30K/40K VHS AP100 1 1 12 2 4 14 Solenoid valve: Non-lube type 5 1 3 2 1 2 1 2 1 L L AFM AF ARP 759 Direct Operated Precision Regulator/Modular Type ARP20 to ARP40 Series RoHS Direct Operated Precision Regulator with Backflow Function/Modular Type ARP20K to ARP40K Series Symbol Regulator with backflow function

Series ARP20 to ARP40 10- 10- 21- 21- Direct฀Operated฀Precision฀Regulator Series ARP20K to ARP40K 10- 10- Direct฀Operated฀Precision 21- 21- Regulator฀with฀Backflow฀Function

Fittings & Tubing Air Cylinders Rotary Actuators -ARP20/ARP20K 10 21 -ARP30/ARP30K 10 21 -ARP40/ARP40K 10 21 Clean room compliant, copper-free, fluorine-free, silicone-free Air Preparation Equipment Clean room compliant Description Symbol Body size Body size 30 20 40 20 40 30 Nil 1 Note 4) 3 Note 4) Set pressure c 0.005 to 0.4 MPa setting 0.005 to 0.2 MPa setting 0.008 to 0.6 MPa setting

Direct Operated Precision Regulator/Modular Type ARP20 to ARP40 Series Direct Operated Precision Regulator with Backflow Function/Modular Type ARP20K to ARP40K Series Regulator Symbol Regulator with backflow function

Example 1) When the pressure in the rear and the front of the cylinder differs: Example 2) When the air supply is cut off and releasing the inlet pressure to the atmosphere, the residual pressure release of the outlet side can be ensured for a safety purpose. 1 1 2 12 2 1 2 1 3 1 2 1 14 2 4 12 L 10 5 1 3 How to Order ARP 30 03 BE K Option / Semi-standard: Select one each for a to f.

1%F.S., Backflow function available, ARP 1/4 INCH, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, DC, ARP 1/4 INCH, 0.65526 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7 MPaFor 0.4 MPa

1%F.S., Backflow function available, ARP 1/4 INCH, AIRLINE EQUIPMENT, ARP 1/4 INCH, 0.44092 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7 MPaFor 0.4 MPa settingFor 0.2 MPa settingFor

1%F.S., Backflow function available, ARP 1/4 INCH, AIRLINE EQUIPMENT, ARP 1/4 INCH, 0.46297 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7 MPaFor 0.4 MPa settingFor 0.2 MPa settingFor

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CA, ARP 1/8 INCH, .52910 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .36067 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .27778 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .77365 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .77365 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .44092 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .27778 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .27778 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7

1%F.S., Backflow function available, PRECISION REGULATOR, MODULAR, AIRLINE EQUIPMENT, ARP PRECISION REGULATOR, CC, ARP 1/8 INCH, .56091 lb, ModelPort sizeFluidProof pressureMax. operating pressureSet pressure range Note 1)SensitivityRepeatability Note 2)Air consumptionPressure port size Note 3)Ambient andfluid temperatureConstructionWeight (kg) Note 4)ARP20(K)1/8, 1/4Air1.2 MPa0.7