Model: 31, Orifice: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 2 (2.2mm), Style: 0 (N.C., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 31, Orifice: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: D (C37/CU, Seals: FKM, Class H), Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 8 (48VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

/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)

/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)

/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)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Attachment: V (3-Port Valve for Residual Pressure Release; Mounting: AF+AR+V), Semi-Standard 1: Standard, 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: 01 (1/8), Option: Standard, Attachment: V1 (3-Port Valve for Residual Pressure Release; Mounting: V+AF+AR), Semi-Standard 1: Standard, Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Type: T (Body Ported), Valve Option: V (Vacuum Specification Type, Semi-Standard), Pressure Specifications: Standard Type (0.7MPa), Rated Voltage: 6 (12 VDC, Semi-Standard), Electrical Entry: G (300mm Lead Wire), Light_Surge Voltage Suppressor: None, Port Size: 01 [1/8 (6A)], Thread Type: N (NPT), Bracket: F (with Bracket)

Body Type: T (Body Ported), Valve Option: E (Continuous Duty Type, Semi Standard), Pressure Specifications: Standard Type (0.7MPa), Rated Voltage: 6 (12 VDC, Semi-Standard), Electrical Entry: G (300mm Lead Wire), Light_Surge Voltage Suppressor: None, Port Size: 01 [1/8 (6A)], Thread Type: N (NPT), Bracket: F (with Bracket)

Body Type: T (Body Ported), Valve Option: Standard Type, Pressure Specifications: Standard Type (0.7MPa), Rated Voltage: 6 (12 VDC, Semi-Standard), Electrical Entry: DO (w/o Connector), Light_Surge Voltage Suppressor: None, Port Size: 01 [1/8 (6A)], Thread Type: F (G), Bracket: None, CE Compliant: Q (CE-Compliant)

Body Type: T (Body Ported), Valve Option: Y (Energy-Saving Type, Semi-Standard), Pressure Specifications: Standard Type (0.7MPa), Rated Voltage: 6 (12 VDC, Semi-Standard), Electrical Entry: D (with Connector), Light_Surge Voltage Suppressor: None, Port Size: 01 [1/8 (6A)], Thread Type: N (NPT), Bracket: F (with Bracket)