Please contact us for the latest version.sales@ocaire.com, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, EA, AR MASS PRO 3/8 MODULAR (PT), 1.35952 lb, ModelPort sizePressure gauge port size Note 1)FluidAmbient and fluid temperature Note 3)Proof pressureMaximum operating pressureSet pressure rangeRelief pressure Note 4)ConstructionMass (kg)AR40(K)1/4, 3/8, 1/21/4Air?
Please contact us for the latest version.sales@ocaire.com, REGULATOR, AIRLINE EQUIPMENT, AR MASS PRO, FA, AR MASS PRO 1/2 MODULAR (PT), 1.39625 lb, ModelPort sizePressure gauge port size Note 1)FluidAmbient and fluid temperature Note 3)Proof pressureMaximum operating pressureSet pressure rangeRelief pressure Note 4)ConstructionMass (kg)AR40(K)1/4, 3/8, 1/21/4Air?
Please contact us for the latest version.sales@ocaire.com, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, FA, AR MASS PRO 1/2 MODULAR (PT), 1.26447 lb, ModelPort sizePressure gauge port size Note 1)FluidAmbient and fluid temperature Note 3)Proof pressureMaximum operating pressureSet pressure rangeRelief pressure Note 4)ConstructionMass (kg)AR40(K)1/4, 3/8, 1/21/4Air?
Accessory/ Optional specification combinations : Combination available : Combination not available : Varies depending on the model : Available only with NPT thread Optional specifications Applicable filter regulator AW30, 40 Accessories Symbol Accessory/ Optional specifications Combination B C D E G P 1 2 6 8 C J N R W Z With bracket (with set nut) Float type auto drain (N.C.)
Body Size: 40, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 04 (1/2), 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: 40, Reverse Flow: No, Thread: NPT, Port Size: 04 [1/2 (Size 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Nameplate/Caution Plate for Bowl in Imperial Units
Body Size: 40, Backflow: w/o Backflow Function, Thread: NPT, Port Size: 1/2, 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: 10-AR (Clean Series), Body Size: 40, Reverse Flow: No, Thread: N (NPT), Port Size: 04 [1/2 (Size 40)], Accessory, Not Attached: BG [B+G (Size 20 to 60)], Option: Z (Nameplate/Caution Plate for Bowl in Imperial Units )
Size: 1/2, Reverse Flow: Regulator, Standard, Thread: NPT, Port Size: 1/2, Accessory: B+G, Option 1: None, Option 2: Name Plate & Pressure Gauge in Imperial Units, PSI, °F
AR10-A: Rc1/16
AR20-A to AR40-A, AR20(K)-B to AR60(K)-B, and AR20(K)-D to AR40(K)-D: Rc1/8
Old AR10: Rc1/16
Old AR20(K) to AR30(K): Rc1/8
Old AR40(K) to AR60(K): Rc1/4
Old AR1000: Rc1/16
Old AR2000 to AR3000: Rc1/8
Old AR4000 to AR6000: Rc1/4

The refreshed AR series with 2 digits and an “A” suffix (AR40-□□-A) was released in April 2012. The refreshed AR series with 2 digits and a “B” suffix (AR40-□□-B) was released in May 2012. And the new design AR series with 2 digits and a “D” suffix (AR40-□□-D) was released in October 2019.
AR10-A: Rc1/16
AR20-A to AR40-A, AR20(K)-B to AR60(K)-B, and AR20(K)-D to AR40(K)-D: Rc1/8
Old AR10: Rc1/16
Old AR20(K) to AR30(K): Rc1/8
Old AR40(K) to AR60(K): Rc1/4
Old AR1000: Rc1/16
Old AR2000 to AR3000: Rc1/8
Old AR4000 to AR6000: Rc1/4
Special Applications: 21- (Clean-room, Copper-free, Fluorine-free, Silicon-free), Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: BG (B+G), Specifications: 0.005 to 0.4MPa Setting, Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)
Special Applications: Clean-room, Copper-free, Fluorine-free, Silicon-free, Size: 40, Backflow Function: Backflow Function, Thread: NPT, Port Size: 1/2, Accessory: B+G, Specifications: 0.005 to 0.4MPa Setting, Pressure Unit: Name plate & Pressure Gauge in Imperial Units: psi
Special Applications: Copper, Fluorine & Silicon-free+Low Particle Generation, Body Size: 40, Reverse Flow: No, Thread: NPT, Port Size: 04 [1/2 (Size 40)], Accessory, Not Attached: None, Option: Nameplate/Caution Plate for Bowl in Imperial Units
Special Applications: 21-AR (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 40, Reverse Flow: No, Thread: N (NPT), Port Size: 04 [1/2 (Size 40)], Accessory, Not Attached: None, Option: Z (Nameplate/Caution Plate for Bowl in Imperial Units )
Special Applications: 21-AR (Copper, Fluorine & Silicon-free+Low Particle Generation), Body Size: 40, 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: 40, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 04 (1/2), Options: BG (B+G), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)
Body Size: 40, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 04 (1/2), Options: BG (B+G), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)
Body Size: 40, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 04 (1/2), Options: BG (B+G), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: N (Non-relieving Type), Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)