Model: 51 (Bottom Ported), Connector Type: P (Flat Ribbon Cable, 26 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 2 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 50 (Side Ported), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 4 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

Model: 51 (Bottom Ported), Connector Type: PG (Flat Ribbon Cable, 20 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 2 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4)

Body Size: 20 (1/4), Port Thread: N (NPT), Port Size: 02 (1/4, AVL2000), Option: No Gauge, Voltage: 5 (24VDC), Electrical Entry: D (D Type DIN Connector), Air Direction: Left to Right, Button Color: X238 (Black, Manual Model)

Body Size: 20 (1/4), Port Thread: N (NPT), Port Size: 02 (1/4, AVL2000), Option: No Gauge, Voltage: 5 (24VDC), Electrical Entry: D (D Type DIN Connector), Air Direction: Left to Right, Button Color: X238-Q (Black, CE Marked, Electrical Model)

Body Size: 2000, Thread: Rc, Port Size: 02 (1/4), Option: B (w/Bracket), Voltage: 1 (100 VAC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Body Size: 2000, Thread: Rc, Port Size: 02 (1/4), Option: None, Voltage: 1 (100 VAC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: Flow Direction: Left to Right

Body Size: 2000, Thread: Rc, Port Size: 02 (1/4), Option: None, Voltage: 1 (100 VAC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: Non-locking Push Type, Flow Direction/Pressure Unit: Flow Direction: Left to Right

Body Size: 2000, Thread: N (NPT), Port Size: 02 (1/4), Option: None, Voltage: 1 (100 VAC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: Non-locking Push Type, Flow Direction/Pressure Unit: Z (Name Plate and Pressure Gauge in Imperial Units)

Body Size: 2000, Thread: N (NPT), Port Size: 02 (1/4), Option: None, Voltage: 1 (100 VAC), Lead Wire: D (Type D, DIN Terminal w/Connector), Surge Suppressor: Z (with Light/Surge Voltage Suppressor), Manual Override: B (Push-turn Locking Slotted Type), Flow Direction/Pressure Unit: Z (Name Plate and Pressure Gauge in Imperial Units)

Type of Actuation: 2 (2 Position Double), Manifold Type: 20 (Body Ported), Pilot: Internal Pilot, Specifications: Standard, Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal w/Connector), Lead Wire Length: None, Surge Suppressor: None, Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Body Ported 1/4, Base Mounted Sub-plate 1/4)

Type of Actuation: 2 (2 Position Double), Manifold Type: 20 (Body Ported), Pilot: Internal Pilot, Specifications: Standard, Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal w/Connector), Lead Wire Length: None, Surge Suppressor: None, Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Body Ported 1/4, Base Mounted Sub-plate 1/4), Thread: T (NPTF), Option: F2 (Side Bracket

Type of Actuation: 1 (2 Position Single), Manifold Type: 20 (Body Ported), Pilot: R (External Pilot), Specifications: Standard, Voltage: 5 (24VDC), Electrical Entry: D (DIN Connector), Lead Wire Length: None, Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), A, B Port Size: 02 (Body Ported 1/4), Thread: T (NPTF)

Type of Actuation: 2 (2 Position Double), Manifold Type: 20 (Body Ported), Pilot: Internal Pilot, Specifications: Standard, Voltage: 1 (100VAC 50/60HZ), Electrical Entry: D (DIN Connector), Lead Wire Length: None, Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), A, B Port Size: 02 (Body Ported 1/4), Thread: T (NPTF)

Type of Actuation: 1 (2 Position Single), Manifold Type: 20 (Body Ported), Pilot: Internal Pilot, Specifications: Standard, Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Connector), Lead Wire Length: None, Surge Suppressor: None, Manual Override: D (Push-turn Locking Slotted Style), A, B Port Size: 02 (Body Ported 1/4), Thread: T (NPTF)

Type of Actuation: 1 (2 Position Single), Manifold Type: 20 (Body Ported), Pilot: Internal Pilot, Specifications: Standard, Voltage: 6 (12VDC), Electrical Entry: D (DIN Connector), Lead Wire Length: None, Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), A, B Port Size: 02 (Body Ported 1/4), Thread: T (NPTF)

Type of Actuation: 1 (2 Position Single), Manifold Type: 20 (Body Ported), Pilot: Internal Pilot, Specifications: Standard, Voltage: 5 (24VDC), Electrical Entry: D (DIN Connector), Lead Wire Length: None, Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), A, B Port Size: 02 (Body Ported 1/4), Thread: N (NPT)

Base Mounted Wiring: 01FD (Plug-in w/D-sub Connector on D Side), Pilot Type: Internal Pilot or None, Junction Cover: 1 (One-piece Junction Cover), Stations: 4 Stations, Passage: 3 (P: Common, EA,EB: Individual, Port A,B: Side), Port Size: 02 (1/4), Thread: T (NPTF)

Base Mounted Wiring: 01FD (Plug-in w/D-sub Connector on D Side), Pilot Type: Internal Pilot or None, Junction Cover: 1 (One-piece Junction Cover), Stations: 6 Stations, Passage: 3 (P: Common, EA,EB: Individual, Port A,B: Side), Port Size: 02 (1/4), Thread: N (NPT)

Base Mounted Wiring: 01FD (Plug-in w/D-sub Connector on D Side), Pilot Type: Internal Pilot or None, Junction Cover: 1 (One-piece Junction Cover), Stations: 8 Stations, Passage: 3 (P: Common, EA,EB: Individual, Port A,B: Side), Port Size: 02 (1/4), Thread: N (NPT)