Model: 51 (Bottom Ported), Connector Type: P (Flat Ribbon Cable, 26 Pins), Connector Entry Direction: 1 (Upward), Wiring Specification: All Double Wiring, Valve Stations: 10 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: 4 Stations, P, E Port Location: D (D Side), A, B Port Size: 02 (1/4), Thread: T (NPTF)

1/4), Thread: F (G)

Body Size: 20, Backflow: K (w/Backflow Function), Thread: Rc, Port Size: 02 (1/4), Options: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: BC (B + C), Semi-Standard 1: 2R (2 + R), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: BD (B + D), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1NZ (1 + N + Z)

Body Size: 20, Backflow: K (w/Backflow Function), Thread: F (G), Port Size: 02 (1/4), Options: BE (B+E), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Base Mounted Wiring: 01CD1 (Base Mounted Plug-in w/Multi-connector on D Side), Stations: 5 Stations, Passage: 1 [P(SUP): Common, E(EXH): Common, Port A,B(CYL): Side], Port Size: 02 (1/4)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: BD (B + D), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: BC (B + C), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X2141 (w/Element Service Indicator)

Body Size: 20, Back Flow: w/o Backflow, Thread: N (NPT), Port Size: 02 (1/4), Options: BE (B+E), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Bowl: 6 (Nylon Bowl), Bowl Guard: None, Drain Port: w/Drain Cock, Exhaust Mechanism: Relieving Type, Flow Direction: Flow Direction: Left to Right, Drain Cock w/Barb Fitting: None, Pressure Units: Z [Product: psi, °C; Pressure Gauge: psi (and MPa)]

Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 02 (1/4), Options: BE (B+E), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)

Body Size: 25, Backflow: w/o Backflow Function, Thread: Rc, Port Size: 02 (1/4), Options: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Unit on Product Label: MPa, Pressure Gauge in SI Units: MPa

Body Size: 30, Thread: Rc (Rc: for Sizes 20, 25, 30, 40; M5: for Size 10), Port Size: 02 (1/4), Option: B (Assembly of a Bracket & Set Nuts), Semi-Standard: 1R (1 + R)

Body Size: 30, Thread: Rc: Size 20, 25, 30, 40; M5: Size 10, Port Size: 02 (1/4), Option: BDM (B + D + M), Semi-Standard 1: Standard, Semi-Standard 2: Standard

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: B (Bracket), Semi-Standard 1: 6 (Nylon Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: BC (B + C), Semi-Standard 1: R (Flow Direction Right to Left), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

w/Sub-plate 1/4), Thread: N (NPT)

Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 02 (1/4), Options: B (w/Bracket), Set Pressure: 1 (0.02 to 0.2 MPa Setting), Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)