Size: No.1, Orifice: 3 (3mm), Option: For Air, Water up to 40°C, CO2 and N2 -- Seal: NBR, Body: Brass, Port Size: 02 [1/4 (8A)], Thread: F (G), Bracket: B (Bracket)

Size: No.2, Orifice: 4 (4mm), Option: A (For Water up to 60°C and Oil, Consult Catalog -- Seal: FKM, Body: Brass), Port Size: 02 [1/4 (8A)], Thread: F (G), Bracket: B (Bracket)

Model: 21, Orifice Size: 3 (4.5mm), Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Full-wave Rectifier: None

Model: 22, Orifice Size: 2 (3mm), Configuration: 2 (N.O./Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: J (230VAC 50/60 HZ), Electrical Entry: DO (DIN w/o Connector), Full-wave Rectifier: R (w/Full-wave Rectifier)

Model: 23, Orifice Diameter: 3 (4.5 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: M (SUS Body,FKM,Class B,Non-leak,Oil-Free), Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: G (Grommet)

Model: 21, Orifice Diameter: 3 (4.5 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DL (DIN Connector and Light)

Model: 22, Orifice Diameter: 3 (4.5 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: D (DIN Connector)

Model: 22, Orifice Diameter: 3 (4.5 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: G (SUS Body, NBR Seal, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 22, Orifice Diameter: 4 (6 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: V [Brass Body (Aluminum for Air Type), FKM Seal, Class B], Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 23, Orifice Diameter: 3 (4.5 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: L (SUS Body, FKM, Class B, High Corrosive, Oil-Free), Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: D (DIN Connector)

Model: 22, Orifice Diameter: 2 (3 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 22, Orifice Diameter: 2 (3 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: D (DIN Connector)

Model: 21, Orifice Diameter: 1 (2 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 22, Orifice Diameter: 3 (4.5 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 22, Orifice Diameter: 4 (6 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 22, Orifice Diameter: 5 (8 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 23, Orifice Diameter: 2 (3 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 23, Orifice Diameter: 5 (8 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 21, Orifice Diameter: 2 (3 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 22, Orifice Diameter: 2 (3 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DL (DIN Connector and Light)