Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: J (Stainless Steel, Seals: EPDM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), 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: 2 (2.2mm), Style: 0 (N.C., Single Unit), Option: C37, Seals: NBR, 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), Bracket: B (Bracket)

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: N (NPT), Voltage: 6 (12VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: S (w/Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Terminal), Surge Suppressor: L (w/Light), Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

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: 1 (100VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

Model: 31, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

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

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

Compressor Output 3HP, (2.2kW)], Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Auto Drain: D (N.O. Auto Drain), Rubber Material: Standard, Air Pressure: Standard, Drain Guide: None, IN-OUT Direction: Standard, Pressure Switch 125VAC, 30VDC: None, Element Service Indicator: T (Yes)

Compressor Output 3HP, (2.2kW)], Thread: N (NPT), Port Size: 01 (1/8), Accessory: None, Auto Drain: D (N.O. Auto Drain), Rubber Material: Standard, Air Pressure: Standard, Drain Guide: None, IN-OUT Direction: Standard, Pressure Switch 125VAC, 30VDC: None, Element Service Indicator: T (Yes)

Compressor Output 3HP, (2.2kW)], Thread: N (NPT), Port Size: 01 (1/8), Accessory: B (Bracket), Auto Drain: D (N.O. Auto Drain), Rubber Material: Standard, Air Pressure: Standard, Drain Guide: None, IN-OUT Direction: Standard, Pressure Switch 125VAC, 30VDC: None, Element Service Indicator: T (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: 6C [Bowl Guard (Nylon Bowl)], Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Ported), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Orifice Size: 16 (1.6mm), Port Size: 01 [Base Mount w/Sub-Plate 1/8(6A) or Body Ported 1/8(6A)], Thread Type: N (NPT), Body/Seal Material: H (Body SUS, Seal FKM), Option: F (Foot Bracket)

Body Ported), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Orifice Size: 16 (1.6mm), Port Size: 01 [Base Mount w/Sub-Plate 1/8(6A) or Body Ported 1/8(6A)], Thread Type: N (NPT), Body/Seal Material: H (Body SUS, Seal FKM), Option: F (Foot Bracket)

Body Ported), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Orifice Size: 23 (2.3mm), Port Size: 01 [Base Mount w/Sub-Plate 1/8(6A) or Body Ported 1/8(6A)], Thread Type: N (NPT), Body/Seal Material: H (Body SUS, Seal FKM), Option: F (Foot Bracket)

Body Ported), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Orifice Size: 40 (4mm), Port Size: 01 [Base Mount w/Sub-Plate 1/8(6A) or Body Ported 1/8(6A)], Thread Type: N (NPT), Body/Seal Material: H (Body SUS, Seal FKM), Option: F (Foot Bracket)

Body Ported), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Orifice Size: 23 (2.3mm), Port Size: 01 [Base Mount w/Sub-Plate 1/8(6A) or Body Ported 1/8(6A)], Thread Type: N (NPT), Body/Seal Material: H (Body SUS, Seal FKM), Option: F (Foot Bracket)

Body Ported), Voltage: 5 (24VDC), Electrical Entry: G (Grommet), Orifice Size: 40 (4mm), Port Size: 01 [Base Mount w/Sub-Plate 1/8(6A) or Body Ported 1/8(6A)], Thread Type: N (NPT), Body/Seal Material: H (Body SUS, Seal FKM), Option: F (Foot Bracket)

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: E [Square embedded type pressure gauge (with limit indicator)], Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: C (Bowl Guard), 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: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)