Model: 31, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 6 (12VDC), 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: N (NPT), Voltage: 6 (12VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

/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)

/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: C (Conduit)

/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: C (Conduit)

/Single Unit), Solenoid Valve Option: M (SUS Body,FKM,Class B,Non-leak,Oil-Free), Suffix: Standard, Port Size: 01 (1/8), Thread Type: Rc, Voltage: 5 (24VDC), Lead Wire: G (Grommet)

/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: G (Grommet)

/Single Unit), Solenoid Valve Option: G (SUS Body, 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)

/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: G (Grommet)

/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: G (Grommet)

/Single Unit), Solenoid Valve Option: M (SUS Body,FKM,Class B,Non-leak,Oil-Free), Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Lead Wire: G (Grommet)

/Single Unit), Solenoid Valve Option: M (SUS Body,FKM,Class B,Non-leak,Oil-Free), Suffix: Standard, Port Size: 01 (1/8), Thread Type: N (NPT), Voltage: 5 (24VDC), Lead Wire: G (Grommet)

/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: 6 (12VDC), Lead Wire: G (Grommet)

/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)

/Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread Type: Rc, Voltage: 5 (24VDC), Lead Wire: G (Grommet)

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: J (Drain Guide 1/4 Female Threaded)

Body Size: 20, Thread: Rc (Rc: for Sizes 20~60; M5: for Size 10), Port Size: 01 (1/8), Mounting: B (Bracket), Semi-Standard, Body Size 10: 3 (Drain Cock), Semi-Standard, Body Size 20: Standard, Semi-Standard, Body Size 30, 40, 50 & 60: Standard

Body Size: 20, Thread: Rc (Rc: for Sizes 20~60; M5: for Size 10), Port Size: 01 (1/8), Mounting: B (Bracket), Semi-Standard, Body Size 10: 2 (Metal Bowl), Semi-Standard, Body Size 20: Standard, Semi-Standard, Body Size 30, 40, 50 & 60: Standard

Body Size: 20, Thread: Rc (Rc: for Sizes 20~60; M5: for Size 10), Port Size: 01 (1/8), Mounting: B (Bracket), Semi-Standard, Body Size 10: Standard, Semi-Standard, Body Size 20: C (Bowl Guard), Semi-Standard, Body Size 30, 40, 50 & 60: Standard

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BC (B + C), Semi-Standard 1: 12N (1 + 2 + N), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)