Stations: 7 Stations, Port Size: N1 (1/8" One-touch Fitting), Kit Name: F (D-sub Connector 25 Pin), Electrical Entry: D Side, Cable Length: 1 (1.5m Cable 25 Pin), Option 1: None, Option 2: R (External Pilot)

Stations: 8 Stations, Port Size: N1 (1/8" One-touch Fitting), Kit Name: F (D-sub Connector 25 Pin), Electrical Entry: D Side, Cable Length: 2 (3.0m Cable 25 Pin), Option 1: DN (DIN Rail Mount & Name Plate)

Model: 51 (Bottom Ported), SI Unit Common Specs: N (Negative Common), Wiring Specification: All Double Wiring, Valve Stations: 2 Stations, P, E Port Location: D Side, A,B Port - Thread Piping: N1 (ø1/8" One-touch Fitting, Fixed)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 5 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 16 Stations, SUP/EXH Block Mounting: B (Both Sides 2~20 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 14 Stations, SUP/EXH Block Mounting: B (Both Sides 2~20 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 8 Stations, SUP/EXH Block Mounting: B (Both Sides 2~20 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 8 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 6 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 12 Stations, SUP/EXH Block Mounting: B (Both Sides 2~20 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 10 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: ZEN (EtherNet/IP), Input Block Stations: None, Input Block COM: +COM, Stations: 4 Stations, SUP/EXH Block Mounting: B (Both Sides 2~20 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting)

SI Unit: 0 (w/o SI Unit), Stations: 4 Stations, SUP/EXH Block Mounting: U (U Side 2~10 Stations), Pilot: Internal Pilot, A, B Port: N1 (1/8" One-touch Fitting), Mounting Method: D (DIN Rail Mounting)

This is a legacy product, and replaced byAR20-F02E-RY-B, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, DA, AR MASS PRO 1/4 MODULAR (PT), .51440 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR201/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure switch(

This is a legacy product, and replaced byAR20-01BE-RY-B, REGULATOR, MODULAR, AIRLINE EQUIPMENT, AR MASS PRO, CA, AR MASS PRO 1/8 MODULAR (PT), .53717 lb, Regulator Series ARPages 346 through to 355ModelPort sizeOptionsRegulator Series ARPages 346 through to 355AR201/8, 1/4BracketSquare embedded type pressure gauge (except the AR10)Round type pressure gauge Digital pressure switch(

Model: 1000 (SV1000), Wiring: 1A (Single), Fitting: N1 (With One-touch Fitting for 1/8 in)

Model: 1000 (SV1000), Wiring: 2A (Double), Fitting: N1 (With One-touch Fitting for 1/8 in)

Stations: 3 Stations, Port Size: N1 (1/8" One-touch Fitting), Cable Length: 0 (0.6m Cable)

Stations: 4 Stations, Port Size: N1 (1/8" One-touch Fitting), Cable Length: 0 (0.6m Cable)

Stations: 6 Stations, Port Size: N1 (1/8" One-touch Fitting), Cable Length: 0 (0.6m Cable)