This is a legacy product, and replaced byAR20K-02H-B, http://smcpneumatics.com/assets/images/pdf/ar.pdf

This is a legacy product, and replaced byAR25K-02H-B, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DA, AR MASS PRO 1/4 MODULAR (PT), .56918 lb

This is a legacy product, and replaced byAR25-02H-B

This is a legacy product, and replaced byAR30-02H-B, REGULATOR, MODULAR *LQA, AIRLINE EQUIPMENT, AR REGULATOR, DA, AR 1/4INCH MODULAR (PT), .09038 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR301/4, 3/8BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure

This is a legacy product, and replaced byAR20K-02H-1-D AR MASS PRO. REGULATOR. AIRLINE EQUIPMENT. AR MASS PRO 1/4 MODULAR (PT). 0.68925 lb. DA.

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

For how to order the digital pressure switch, refer to page 709. 704 Direct Operated Precision Regulator/Modular Type Series ARP20/30/40 Conditions: Inlet pressure 0.5 MPa Outlet pressure 0.2 MPa Flow rate 20 L/min (ANR) Condition: Inlet pressure 0.7 MPa Flow Characteristics (Representative values) Pressure Characteristics (Representative values) ARP20(K) ARP20(K) Rc 1/4 0.50 0.25 0.45 ARJ

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

For how to order the digital pressure switch, refer to page 767. 762 Direct Operated Precision Regulator/Modular Type ARP20/30/40 Series Conditions: Inlet pressure 0.5 MPa Outlet pressure 0.2 MPa Flow rate 20 L/min (ANR) Condition: Inlet pressure 0.7 MPa Flow Rate Characteristics (Representative values) Pressure Characteristics (Representative values) ARP20(K) ARP20(K) Rc 1/4 0.50 0.25 0.45

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

Note 2) For ARP20(K) only, the position of the pressure gauge is above the center of the piping.

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

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

Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: BG (B+G), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: None, Thread: N (NPT), Port Size: 03 (3/8), Accessory: None, Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: E3H (E3+H), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: B (Bracket), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: EH (E+H), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: E3H (E3+H), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: H (Set Nut for Panel Mount), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: None, Thread: N (NPT), Port Size: 04 (1/2), Accessory: E3H (E3+H), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 02 (1/4), Accessory: None, Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)