Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: T (NPTF), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: T (NPTF), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: L (w/Light), Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 1 (1.5mm), Style: 2 (N.O., Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Connector), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Connector), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: G (Grommet), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Connector), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: G (Grommet), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: G (Grommet), Full-wave Rectifier: R (w/Full-wave Rectifier)

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: Rc, Voltage: 5 (24VDC), Electrical Entry: DZ (DIN Terminal w/Surge Voltage Suppressor and Light), Full-wave Rectifier: None

/Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Electrical Entry: DO (DIN w/o Connector), Full-wave Rectifier: None, Bracket: B (Bracket)

Compressor Output 3HP, (2.2kW)], Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Auto Drain: Drain Cock w/o Auto Drain, Rubber Material: Standard, Air Pressure: Standard, Drain Guide: None, IN-OUT Direction: Standard, Pressure Switch 125VAC, 30VDC: S (Yes)

Compressor Output 3HP, (2.2kW)], Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Auto Drain: Drain Cock w/o Auto Drain, Rubber Material: Standard, Air Pressure: Standard, Drain Guide: None, IN-OUT Direction: Standard, Pressure Switch 125VAC, 30VDC: S (Yes)

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)

Function: 1 (Normally Closed), Piping: 4 (Base Mounted), Body Option: Individual EXH, Specifications: Standard, Voltage: 5 (24VDC), Lead Wire: G (Grommet Lead Wire 0.3m), Surge Suppressor: S (Surge Suppressor), Manual Override: Non-locking Push Style, Port Size: 01 (Base Mounted w/Sub-plate 1/8, Body Ported 1/8)