This is a legacy product, and replaced byAR20-02H-B, REGULATOR (SHIKOMI ORDER ONLY), AIRLINE EQUIPMENT, AR REGULATOR, DA, AR 1/4INCH MODULAR (PT), .59403 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR201/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure

This is a legacy product, and replaced byAR20-02H-R-B, REGULATOR, MODULAR *LQA, AIRLINE EQUIPMENT, AR REGULATOR, DA, AR 1/4INCH MODULAR (PT), .59524 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR201/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure

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.

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: Rc, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: -

Special Applications: 10- (Clean Room Compliant), Size: 30, Backflow Function: None, Thread: Rc, Port Size: 03 (3/8), Accessory: E3 (PNP Output, Electrical Entry: Wiring Bottom Entry)

Special Applications: 10- (Clean Room Compliant), Size: 30, Backflow Function: None, Thread: Rc, Port Size: 03 (3/8), Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)]

Special Applications: 10- (Clean Room Compliant), Size: 30, Backflow Function: None, Thread: F (G), Port Size: 02 (1/4), Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)]

Special Applications: 10- (Clean Room Compliant), Size: 30, Backflow Function: None, Thread: F (G), Port Size: 03 (3/8), Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)]

Special Applications: 10- (Clean Room Compliant), Size: 30, Backflow Function: None, Thread: Rc, Port Size: 02 (1/4), Accessory: G [Round Pressure Gauge ("20-" Type Includes Limit Indicator)]

Special Applications: 10- (Clean Room Compliant), Size: 30, Backflow Function: None, Thread: Rc, Port Size: 02 (1/4), Accessory: E3 (PNP Output, Electrical Entry: Wiring Bottom Entry)

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: Rc, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: Non-relieving

Special Applications: Clean Series, Body Size: 25, Reverse Flow: No, Thread: Rc, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: Non-relieving

Special Applications: Clean Series, Body Size: 20, Reverse Flow: No, Thread: Rc, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: None

Special Applications: Clean Series, Body Size: 20, Reverse Flow: Reverse Flow Mechanism, Thread: Rc, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: None

Special Applications: 10-AR (Clean Series), Body Size: 20, Reverse Flow: K (Reverse Flow Mechanism), Thread: Rc, Port Size: 02 [1/4 (Size 20, 25, 30, 40)], Accessory, Not Attached: H [Set Nut for Panel Mount (Size 20 to 40)], Option: None

Special Applications: 10- (Clean Room Compliant), Size: 20, Backflow Function: K (Backflow Function), Thread: Rc, Port Size: 02 (1/4), Accessory: H (Set Nut for Panel Mount), Specifications: 3 (0.008 to 0.6 MPa Setting)