Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), 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 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: NZ (N + Z)

Body Size: 40A, Thread: N (NPT), Port Size: 04 (1/2), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: Standard, Semi-Standard 1: Standard, Semi-Standard 2: NZ (N + Z)

Flow Rate Range: 501 (5 to 500 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: C (NPN; Analog 1 to 5 V), Option 1: N (No Lead Wire), Unit Specifications: M (SI Unit Only), Option 2: Without Bracket, Calibration Certificate: A (With Calibration Certificate)

Flow Rate Range: 102 (10 to 1000 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: F (PNP; Analog 4 to 20 mA), Option 1: N (No Lead Wire), Unit Specifications: M (SI Unit Only), Option 2: Without Bracket, Calibration Certificate: A (With Calibration Certificate)

Flow Rate Range: 501 (5 to 500 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: C (NPN; Analog 1 to 5 V), Option 1: N (No Lead Wire), Unit Specifications: Unit Selection Function, Option 2: R (With Bracket), Calibration Certificate: A (With Calibration Certificate)

Flow Rate Range: 501 (5 to 500 L/min), Thread Type: N (NPT), Port Size: 04 (1/2), Output Specifications: F (PNP; Analog 4 to 20 mA), Option 1: N (No Lead Wire), Unit Specifications: Unit Selection Function, Option 2: Without Bracket, Calibration Certificate: A (With Calibration Certificate)

Size: 4 (40), Valve Type: 1 (Normally Closed), Body Material: C (Brass), Seal Material: N (NBR), Port Size: 04 (Thread; 1/2), Thread Type: N (NPT), Rated Voltage: 5 (24 VDC), Electrical Entry: DZ (DIN Terminal w/Light, w/Surge Voltage Suppressor), Oil-free Option: None, Bracket: B (Bracket)

Stations: 04 (4 Stations), Piping: U (U Side: Open; D Side: Closed), Thread Type: N (NPT), Flow Switch Type: 5 (Remote Sensor Unit), Rated Flow Range: 20 (2 to 16 L/min), Return Unit Components: W (w/Flow Adj. Valve; w/Stop Valve), Return Port Size: 04 (1/2), Flow Switch Output Specifications: 1 (Out 1: Analog 1 to 5 V; Out 2: Flow Rate: None; Temp.: None; Temperature Sensor: None)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: B (Bracket), Specifications: 0.005 to 0.4MPa Setting, Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: None, Thread: N (NPT), Port Size: 04 (1/2), Accessory: B (Bracket), Specifications: 1 (0.005 to 0.2 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: None, Thread: N (NPT), Port Size: 04 (1/2), Accessory: B (Bracket), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: None, Thread: N (NPT), Port Size: 04 (1/2), Accessory: B (Bracket), Specifications: R (Flow Direction: Right to Left), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: BG (B+G), Specifications: 1Y (1 + Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: B (Bracket), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: BE (B+E), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 40, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 04 (1/2), Accessory: BG (B+G), Specifications: 3Y (3+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Body Size: 40, Thread: N (NPT), Port: 04 (1/2), Drain: C (Float Type, N.C.), Flow Direction: Left to Right, Pressure Gauge, Bracket: C (Round Type Pressure Gauge, w/o Limit Indicator, w/Bracket)

Flow Range: 51 (50~500 l/min), Thread: F (G thread), Port Size: 04 (Port Size 1/2), Wiring Specification: N (w/o Lead Wire), Output Specification: 1 (Pulse Output + Analog Output (1~5V))

Flow Range: 51 (50~500 l/min), Thread: F (G thread), Port Size: 04 (Port Size 1/2), Wiring Specification: N (w/o Lead Wire), Output Specification: 2 (Pulse Output + Analog Output (4~20mA))