Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 5 (24VDC), Electrical Entry: DO (DIN Terminal, w/o Connector, Gasket Included), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)
Model: 33, Orifice: 4 (4mm), Style: 4 (COM, Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Standard, Port Size: 02 (1/4), Thread: F (G), Voltage: 4 (220VAC 50/60HZ), Electrical Entry: D (DIN Terminal), 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: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Electrical Entry: DS (DIN Terminal w/Surge Voltage Suppressor), Full-wave Rectifier: None, Bracket: B (Bracket)
/Single Unit), Solenoid Valve Option: Brass Body (Aluminum for Air Type), NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: F (G), Voltage: 5 (24VDC), Lead Wire: DL (DIN Connector and Light), Bracket: B (Bracket)
Compressor Output 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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: F (G), Port Size: 02 (1/4), 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: F (G), Port Size: 02 (1/4), 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 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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: F (G), Port Size: 02 (1/4), 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 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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 5HP, (3.7kW)], Thread: F (G), Port Size: 02 (1/4), 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: 02 (1/4), Accessory: B (Bracket), Auto Drain: Drain Cock w/o Auto Drain, Rubber Material: F (Fluororubber), Air Pressure: H (Medium Air Pressure, 1.6MPa), Drain Guide: J (Drain Guide 1/4 Female Threaded)
Compressor Output 3HP, (2.2kW)], Thread: F (G), Port Size: 02 (1/4), 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)
Body Size: 30, Thread: N (NPT), Port: 02 (1/4), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: V (Residual Pressure Relief 3 Port Valve), Semi-Standard 1: 8 (Metal Bowl w/Level Gauge), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)
Body Size: 25, Thread: N (NPT), Port: 02 (1/4), Option: Standard, Attachment: Standard, Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40, 50, 55, 60), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)
Body Size: 20, Thread: N (NPT), Port: 02 (1/4), 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)