Body Size: 30, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 03 (3/8), Options: CG (C+G), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi (and MPa

Body Size: 30, Thread: None (Rc: for Body Size 20, 30, 40, 50, 60; M5: for Body Size 10), Port Size: 03 (3/8), Option: BD (B + D), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Standard

Body Size: 30, Back Flow: K (w/Backflow), Thread: Rc, Port Size: 03 (3/8), Options: DM (D+M), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Product: MPa, °C; Pressure Gauge: MPa

Body Size: 25, Thread: N (NPT), Port: 03 (3/8), Option: M [Round type pressure gauge (with colour zone)], Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: RZ (R + Z)

Body Size: 40, Back Flow: w/o Backflow, Thread: F (G), Port Size: 03 (3/8), Options: DE (D+E), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Product: MPa, °C; Pressure Gauge: MPa

Body Size: 40, Thread: Rc, Port: 03 (3/8), Option: C [Float Type Auto Drain (N.C.)], Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right->Left)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: DG (D + G), Attachment: V1 (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

Body Size: 30, Back Flow: w/o Backflow, Thread: F (G), Port Size: 03 (3/8), Options: E3 (PNP Output, Wiring Bottom Entry), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: ZA (Digital Pressure Switch

Body Size: 30, Back Flow: K (w/Backflow), Thread: N (NPT), Port Size: 03 (3/8), Options: BDE (B+D+E), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi (and

Body Size: 30, Back Flow: K (w/Backflow), Thread: Rc, Port Size: 03 (3/8), Options: w/o Mounting Option, Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: W (Drain Cock w/Barb Fitting), Pressure Units: Product: MPa, °

Body Size: 30, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 03 (3/8), Option: BG (B + G), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: R (Flow Direction: Right to Left)

Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: B (Bracket), Semi-Standard 1: 8R (8 + R), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 30, Back Flow: K (w/Backflow), Thread: N (NPT), Port Size: 03 (3/8), Options: E3 (PNP Output, Wiring Bottom Entry), Set Pressure: 0.05 to 0.85 MPa Setting, Bowl: Polycarbonate Bowl, Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: R (Flow Direction: Right to Left), Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °

Body Size: 30, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 03 (3/8), Options: G (Round Type Pressure Gauge, w/Limit Indicator), Set Pressure: 0.05 to 0.85 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: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: BG (B + G), Semi-Standard: RZ (R + Z)

Body Size: 40, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 03 (3/8), Option: BG (B + G), Semi-Standard: R (Flow Direction: Right to Left)

Body Size: 30A, Thread: N (NPT), Port Size: 03 (3/8), Option: D (N.O. Float Type Auto Drain), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: RZ (R + Z)

This is a legacy product, and replaced byAR30-03-1-D AR MASS PRO. REGULATOR, MODULAR, 3/8 R. AIRLINE EQUIPMENT. AR MASS PRO 3/8 MODULAR (PT). 1.24929 lb. EA.

Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: G (Size 20 25, 30, 40: Round Type Pressure Gauge w/Limit Indicator; Size 10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: V1 (3-Port Valve for Residual Pressure Release; Mounting: V+AF+AR), Semi-Standard 1: Standard, Semi-Standard 2: NRZ (N + R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: w/o Bracket; w/o Auto Drain, Semi-Standard 1: JR (J + R), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)