Size: 30 (3/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G4 (270°), Accessory 2: None, Option: Z (Name Plate & Gauge w/PSI), B: B

Size: 30 (3/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: Rc, Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: 1 (0.02~0.2MPa Setting), B: B

Size: 30 (3/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G2 (90°), Accessory 2: None, Option: Z (Name Plate & Gauge w/PSI), B: B

Size: 30 (3/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: Rc, Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G4 (270°), Accessory 2: None, Option: 1 (0.02~0.2MPa Setting), B: B

Size: 30 (3/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: F (G), Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: None, B: B

Size: 30 (3/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: 1NZ (Combination of 1, N & Z), B: B

Size: 30 (3/8), Reverse Flow Function: Regulator, Standard, Thread: N (NPT), Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G3 (180°), Accessory 2: None, Option: Z (Name Plate & Gauge w/PSI), B: B

Size: 30 (3/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: F (G), Port Size: 03 (3/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: None, Option: N (Non-relieving), B: B

Body Size: 3, Thread: N (NPT), Port Size: 03 (3/8), Handle/Bonnet Material: B (Aluminum), Options: S (Built-in Silencer, EXH Port), Semi-Standard: RZ (Flow Direction: Right to Left + psi as Unit Displayed on Label)

Body Size: 40, Thread: N (NPT), Port: 03 (3/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: SV (S + V), Semi-Standard 1: 38 (3 + 8), Semi-Standard 2: NRZ (N + R + Z)

Body Size: 40, Thread: N (NPT), Port: 03 (3/8), Option: Standard, Attachment: Standard, Semi-Standard 1: 13J ( 1 + 3 + J), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: D [Float Type Auto Drain (N.O.)], Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 12 (1 + 2), Semi-Standard 2: NZ (N + Z)

Body Size: 40, Thread: N (NPT), Port: 03 (3/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: 3 (Lubricator w/Drain Cock), Semi-Standard 2: RWZ (R + W + Z)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: Standard, Semi-Standard 1: 3 (Lubricator w/Drain Cock), Semi-Standard 2: RWZ (R + W + Z)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: CE3 (C + E3), Attachment: V1 (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: ZA (Digital Pressure Switch: With Unit Conversion Function)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: CE4 (C + E4), Attachment: V1 (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: ZA (Digital Pressure Switch: With Unit Conversion Function)

Body Size: 3, Set Pressure: 2 (0.02 to 0.8 MPa), Exhaust Direction: 0 (Bottom Exhaust), Thread: N (NPT), Port Size: 03 (3/8), Option: BEB (B + EB), Semi-standard: ZA (Digital Pressure Switch: With Unit Conversion Function)

Body Size: 30, Thread: N (NPT), Port: 03 (3/8), Option: CG (C + G), Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: RZ (R + Z)

Body Size: 30, Thread: Rc, Port: 03 (3/8), Option: D [Float Type Auto Drain (N.O.)], Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: Standard

Body Size: 40, Thread: Rc, Port: 03 (3/8), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: R (Flow Direction: Right->Left)