Model: 520 (2.0 to 16.0 L/min), Thread Type: N (NPT), Port Size: 03 (3/8), I/O Specifications: A1 (IN1: 1-5 VDC, IN2: External Control Input, OUT1: 1-5 VDC), Lead Wire: C (Lead Wire with M12 connector, 3m, Bracket: N (None), Operation Manual: Z (with Operation Manual)
Model: 504 (0.5 to 4.0 L/min), Thread Type: F (G), Port Size: 03 (3/8), I/O Specifications: A3 (IN1: 0-10 VDC, IN2: External Control Input, OUT1: 0-10 VDC), Lead Wire: C (Lead Wire with M12 connector, 3m, Bracket: N (None), Operation Manual: Z (with Operation Manual)
Model: 520 (2.0 to 16.0 L/min), Thread Type: N (NPT), Port Size: 03 (3/8), I/O Specifications: A2 (IN1: 4-20mA, IN2: External Control Input, OUT1: 4-20mA), Lead Wire: N (None), Bracket: N (None), Operation Manual: Z (with Operation Manual)
Model: 520 (2.0 to 16.0 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), I/O Specifications: A2 (IN1: 4-20mA, IN2: External Control Input, OUT1: 4-20mA), Lead Wire: N (None), Bracket: N (None), Operation Manual: Z (with Operation Manual)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: CG (C + G), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: C (N.C. Float Type Auto Drain), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: G (For Sizes 10, 20, 30, 40 Round Type Pressure Gauge w/Limit Indicator; For For Size 10: Round Type Pressure Gauge w/o Limit Indicator ), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: D (N.O. Float Type Auto Drain), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: B (Assembly of a Bracket and Set Nuts), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: Standard, Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: Standard, Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: D (N.O. Float Type Auto Drain), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: BCG (B + C + G), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 03 (3/8), Option: BC (B + C), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: B (Assembly of a Bracket and Set Nuts), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: DG (D + G), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: C (N.C. Float Type Auto Drain), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 40, Thread: N (NPT), Port Size: 06 (3/4), Option: Standard, Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)
Body Size: 10, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: M5, Option: BCG (B + C + G), Semi-Standard 1: N (Non-Relieving Exhaust Mechanism), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)