Size: 3 (30), Valve Type: 1 (Normally Closed), Body Material: A (Aluminum), 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)

Size: 3 (30), Valve Type: 1 (Normally Closed), Body Material: A (Aluminum), Seal Material: N (NBR), Port Size: 04 (Thread; 1/2), Thread Type: N (NPT), Rated Voltage: 5 (24 VDC), Electrical Entry: WN (M12 Connector/without Connector Cable; with Surge Voltage Suppressor)

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: G (Grommet), Oil-free Option: None, Bracket: B (Bracket)

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: B (24 VAC), Electrical Entry: DZ (DIN Terminal w/Light, w/Surge Voltage Suppressor)

Size: 3 (30), 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: 3 [120 (110) VAC], Electrical Entry: DN (without DIN Connector, w/Surge Voltage Suppressor)

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: 7 (240 VAC), Electrical Entry: WN (M12 Connector/without Connector Cable; with Surge Voltage Suppressor)

Size: 4 (40), Body Material: S (Stainless Steel), Seal Material: N (NBR), Port Size: 04 (1/2), Thread Type: N (NPT), Rated Voltage: 3 [120 (110) VAC], Electrical Entry: CS (Conduit, w/Surge Voltage Suppressor), Oil Free Option: None, Bracket: B (with Bracket)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: 1 (OUT1: Analog 1 to 5V), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: 1 (OUT1: Analog 1 to 5V), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector)

Rated Flow Range: 20 (2 to 16 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: 2 (OUT1: Analog 4 to 20mA), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector)

Rated Flow Range: 40 (5 to 40 L/min), Flow Adjustment Valve: None, Thread: N (NPT), Port Size: 04 (1/2), Output Specification: 2 (OUT1: Analog 4 to 20mA), Temperature Sensor: None, Lead Wire: N (w/o Lead Wire w/M8 Connector)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: DG (D + G), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: 1 (0.02 to 0.2MPa Setting), Semi-Standard 2: NRZ (N + R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: D (N.O. Float Type Auto Drain), 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: 04 (1/2), Option: D (N.O. Float Type Auto Drain), Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: Standard, Semi-Standard 2: NRZ (N + R + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: Standard, Attachment: S (Pressure Switch), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40), Semi-Standard 2: NRZ (N + R + Z)

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: Standard, Semi-Standard 1: 12N (1 + 2 + N), 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: BG (B + G), Semi-Standard 1: 1N (1 + N), 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: CG (C + G), Semi-Standard 1: 1N (1 + N), 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 Pressure Gauge w/Limit Indicator; For Size 10 Round Pressure Gauge w/o Limit Indicator), Semi-Standard: NRYZ (N + R + Y + Z)