Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: BG (B + G), Semi-Standard: NRYZ (N + R + Y + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard: NRYZ (N + R + Y + Z)

Size: 9 (90), Valve Type: 1 (Normally Closed), Body Material: B (Bronze), Seal Material: N (NBR), Port Size: 20 (Thread; 2), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: WN (M12 Connector/without Connector Cable; with Surge Voltage Suppressor)

Size: 7 (70), Valve Type: 1 (Normally Closed), Body Material: B (Bronze), Seal Material: N (NBR), Port Size: 12 (Thread; 1 1/4), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: DZ (DIN Terminal w/Light, w/Surge Voltage Suppressor)

Size: 7 (70), Valve Type: 1 (Normally Closed), Body Material: B (Bronze), Seal Material: N (NBR), Port Size: 12 (Thread; 1 1/4), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: DN (without DIN Connector, w/Surge Voltage Suppressor)

Size: 20 (1/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: N (NPT), Port Size: 02 (1/4), Accessory 1: None, Pressure Gauge Angle: G4 (270°), Accessory 2: H (Set Nut), Option: 1NYZ (Combination of 1 + N + Y + Z), B: B

Size: 20 (1/8), Reverse Flow Function: K (Regulator w/Backflow Mechanism), Thread: N (NPT), Port Size: 01 (1/8), Accessory 1: None, Pressure Gauge Angle: G1 (0°), Accessory 2: H (Set Nut), Option: 1NYZ (Combination of 1 + N + Y + Z), B: B

Model: 50 (Side Ported), SI Unit Common Specs: N (Negative Common), Wiring Specification: All Double Wiring, Valve Stations: 8 Stations, P, E Port Location: B (Both Sides), A,B Port - Thread Piping: KN7 (ø1/4" One-touch Fitting, Replaceable), Thread: N (NPT)

Model: 50 (Side Ported), SI Unit Common Specs: N (Negative Common), Wiring Specification: All Double Wiring, Valve Stations: 8 Stations, P, E Port Location: B (Both Sides), A,B Port - Thread Piping: N7 (ø1/4" One-touch Fitting, Fixed), Thread: N (NPT)

Model: 50 (Side Ported), SI Unit Common Specs: N (Negative Common), Wiring Specification: S (All Single Wiring), Valve Stations: 3 Stations, P, E Port Location: B (Both Sides), A,B Port - Thread Piping: KN3 (ø5/32" One-touch Fitting, Replaceable), Thread: N (NPT)

Body Size: 40, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Body Size: 25, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Body Size: 30, Thread: N (NPT), Port Size: 03 (3/8), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Body Size: 40, Thread: N (NPT), Port Size: 04 (1/2), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Body Size: 25, Thread: N (NPT), Port Size: 03 (3/8), Option: BG (B + G), Semi-Standard: 1NRYZ (1 + N + R + Y + Z)

Communication: B (RS-232C), Option: N (NPT 1/4)

Size: 7 (70), Valve Type: 1 (Normally Closed), Body Material: B (Bronze), Seal Material: N (NBR), Port Size: 12 (Thread; 1 1/4), Thread Type: N (NPT), Rated Voltage: B (24 VAC), Electrical Entry: WN (M12 Connector/without Connector Cable; with Surge Voltage Suppressor)