Model: 50R (Side Ported/External Pilot), 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: 51 (Bottom Ported), Connector Type: PH (Flat Ribbon Cable, 10 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: 50R (Side Ported/External Pilot), Connector Type: PH (Flat Ribbon Cable, 10 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: 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: 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)

Function: 1 (2 Position Single), Piping: 4 (Base Mounted), Exhaust: 3 (Common), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: D (DIN Terminal w/Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Base Mounted w/Sub-plate 1/4), Thread: N (NPT)

Function: 1 (2 Position Single), Piping: 4 (Base Mounted), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 3 (110VAC 50/60HZ), Lead Wire: D (DIN Terminal w/Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Base Mounted w/Sub-plate 1/4), Thread: N (NPT)

Function: 1 (2 Position Single), Piping: 4 (Base Mounted), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 3 (110VAC 50/60HZ), Lead Wire: D (DIN Terminal w/Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Base Mounted w/Sub-plate 1/4), Thread: T (NPTF)

Function: 1 (2 Position Single), Piping: 4 (Base Mounted), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: D (DIN Terminal w/Connector), Surge Suppressor: None, Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Base Mounted w/Sub-plate 1/4), Thread: N (NPT)

Function: 1 (2 Position Single), Piping: 4 (Base Mounted), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: D (DIN Terminal w/Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Base Mounted w/Sub-plate 1/4)

Function: 1 (2 Position Single), Piping: 4 (Base Mounted), Exhaust: 0 (Individual), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: D (DIN Terminal w/Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: D (Push-turn Locking Slotted Style), Port Size: 02 (Base Mounted w/Sub-plate 1/4), Thread: Rc, Option: None, CE Compliant: Q (CE Compliant)

Model: 50 (Side Ported), Connector Type: PH (Flat Ribbon Cable, 10 Pins), Connector Entry Direction: 2 (Lateral), Wiring Specification: S (All Single Wiring), Stations: 5 Stations, P,E Port Location: D (D Side), A,B Port Size: 02 (1/4), Thread: T (NPTF)

Body Size: 42, Pilot Type: 2 (Internal Pilot Solenoid), Port: 02 (1/4), Thread: N (NPT), Voltage: 5 (24 VDC), Electrical Entry: D (DIN Terminal w/Connector), Light/Surge Voltage Suppressor: Z (w/light surge voltage suppressor), Manual Override: D (Push-turn Locking Slotted Type), Option: N (Pilot Exhaust Silencer)

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: 2 Stations, Passage: 1 [P and EA,EB: Common, Port A,B: Side (Type 20/30, Port A,B: Top)], Port Size: 02 (1/4)

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: 2 Stations, Passage: 1 [P and EA,EB: Common, Port A,B: Side (Type 20/30, Port A,B: Top)], 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: 2 Stations, Passage: 1 [P and EA,EB: Common, Port A,B: Side (Type 20/30, Port A,B: Top)], Port Size: 02 (1/4), Thread: N (NPT), Control Unit: None, Voltage of Air Release Valve: w/o Air Release Valve, Q: Q (CE Marked)

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: 2 Stations, Passage: 1 [P and EA,EB: Common, Port A,B: Side (Type 20/30, Port A,B: Top)], 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: 2 Stations, Passage: 1 [P and EA,EB: Common, Port A,B: Side (Type 20/30, Port A,B: Top)], Port Size: 02 (1/4), Thread: T (NPTF), Control Unit: None, Voltage of Air Release Valve: w/o Air Release Valve, Q: Q (CE Marked)

Base Mounted Wiring: 01FD (Base Mounted Plug-in w/D-sub Connector on D Side), Stations: 2 Stations, Passage: 1 [P and EA,EB: Common, Port A,B: Side (Type 31, Port A,B: Top)], Port Size: 02 (1/4)

Base Mounted Wiring: 01FD (Base Mounted Plug-in w/D-sub Connector on D Side), Stations: 7 Stations, Passage: 2 (P and EA,EB: Common, Port A,B: Bottom), Port Size: 02 (1/4), Thread: T (NPTF)