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: Z (Oil-Free Specification), Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Lead Wire: G (Grommet)

Model: 21, Orifice Diameter: 2 (3 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: G (SUS Body, NBR Seal, Class B), Suffix: Z (Oil-Free Specification), Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Lead Wire: G (Grommet), Bracket: B (Bracket)

Model: 21, Orifice Diameter: 1 (2 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: 01 (1/8), Thread Type: T (NPTF), Voltage: 6 (12VDC), Lead Wire: G (Grommet), Bracket: B (Bracket)

Model: 21, Orifice Diameter: 2 (3 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: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Lead Wire: G (Grommet), Bracket: B (Bracket)

Model: 21, Orifice Diameter: 2 (3 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: 01 (1/8), Thread Type: Rc, Voltage: 5 (24VDC), Lead Wire: DL (DIN Connector and Light)

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: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 21, Orifice Diameter: 1 (2 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: 01 (1/8), Thread Type: T (NPTF), Voltage: 5 (24VDC), Lead Wire: D (DIN Connector), Bracket: B (Bracket)

Model: 21, Orifice Diameter: 1 (2 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: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 21, Orifice Diameter: 1 (2 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: 01 (1/8), Thread Type: Rc, Voltage: 5 (24VDC), Lead Wire: D (DIN Connector), Bracket: B (Bracket)

Model: 21, Orifice Diameter: 1 (2 mm), Valve/Body Configuration: 0 (N.C./Single Unit), Solenoid Valve Option: H (SUS Body, FKM Seal, Class B), Suffix: Z (Oil-Free Specification), Port Size: 01 (1/8), Thread Type: T (NPTF), Voltage: 5 (24VDC), Lead Wire: G (Grommet), Bracket: B (Bracket)

Model: 21, Orifice Diameter: 1 (2 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: 01 (1/8), Thread Type: T (NPTF), Voltage: 5 (24VDC), Lead Wire: D (DIN Connector), Bracket: B (Bracket)

Model: 21, Orifice Diameter: 1 (2 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: 01 (1/8), Thread Type: T (NPTF), Voltage: 5 (24VDC), Lead Wire: G (Grommet), Bracket: B (Bracket)

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: 01 (1/8), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Model: 21, Orifice Diameter: 1 (2 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: 01 (1/8), Thread Type: Rc, Voltage: 5 (24VDC), Lead Wire: G (Grommet), Bracket: B (Bracket)

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: 01 (1/8), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DO (DIN Connector without Connector)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 3C (3 + C), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: E3 (Output: PNP output / Electrical entry: Wiring bottom entry), Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: T (T spacer), Semi-Standard 1: 6C [Bowl Guard (Nylon Bowl)], Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: Standard, Attachment: S (Pressure Switch), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 30, 40), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Function: 1 (Normally Closed), Piping: 2 (Body Ported), Body Option: M (Common EXH), Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: H (Grommet Lead Wire 0.6m), Surge Suppressor: None, Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8)