Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., 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: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)

Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., 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: S (w/Surge Voltage Suppressor), 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: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Terminal), 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: F (G), 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: 4 (COM, Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil)

Compressor Output 30HP, (22kW)], Thread: F (G), Port Size: 10 (1), Accessory: None, Auto Drain: D (N.O.

Gauge (GD40-2-01)]

Compressor Output 3HP, (2.2kW)], Thread: F (G), Port Size: 01 (1/8)

Compressor Output 3HP, (2.2kW)], Thread: F (G), 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: F (G), 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), IN-OUT Direction: Standard, Pressure Switch 125VAC, 30VDC: None, Element Service Indicator: T (Yes)

Compressor Output 3HP, (2.2kW)], Thread: F (G), Port Size: 01 (1/8), Accessory: None, Auto Drain: Drain Cock w/o Auto Drain, Rubber Material: Standard, Air Pressure: Standard, Drain Guide: J (Drain Guide 1/4 Female Threaded), IN-OUT Direction: Standard, Pressure Switch 125VAC, 30VDC: None, Element Service Indicator: T (Yes)

Compressor Output 3HP, (2.2kW)], Thread: F (G), Port Size: 01 (1/8), Accessory: B (Bracket)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: B (Aluminum), Options: None, Semi-Standard: K (Handle Color, Black)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: A (Flame Resistant PBT), Options: B (w/Bracket)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: B (Aluminum), Options: None, Semi-Standard: R (Flow Direction: Right to Left)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: A (Flame Resistant PBT), Options: None, Semi-Standard: R (Flow Direction: Right to Left)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: B (Aluminum), Options: B (w/Bracket)

Body Size: 20, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: B (Aluminum), Options: S (Built-in Silencer, EXH Port)

Body Size: 2, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: B (Aluminum), Options: None, Semi-Standard: K (Handle Color, Black)

Body Size: 2, Thread: F (G), Port Size: 01 (1/8), Handle/Bonnet Material: B (Aluminum), Options: S (Built-in Silencer, EXH Port), Semi-Standard: K (Handle Color, Black)