Model: 31, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), 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), Bracket: B (Bracket)
Model: 33, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Z (Oil-free), Port Size: 02 (1/4), 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: 33, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), 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: 33, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), 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), Bracket: B (Bracket)
Model: 33, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Terminal), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)
Model: 33, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: DO (DIN Terminal, w/o Connector, Gasket Included), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)
Model: 31, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: E (C37/Cu, Seals: EPDM, Class H), Suffix: Standard, Port Size: 02 (1/4), Thread: T (NPTF), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)
Model: 32, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), 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)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: V (For Vacuum -- Seal: FKM, Body: Brass, Non-leak), Port Size: 02 [1/4 (8A)], Thread: N (NPT)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: V (For Vacuum -- Seal: FKM, Body: Brass, Non-leak), Port Size: 02 [1/4 (8A)], Thread: Rc, Bracket: B (Bracket)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: V (For Vacuum -- Seal: FKM, Body: Brass, Non-leak), Port Size: 02 [1/4 (8A)], Thread: N (NPT), Bracket: B (Bracket)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: For Air and Water -- Seal: NBR, Body: Brass, Port Size: 02 [1/4 (8A)], Thread: Rc
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: For Air and Water -- Seal: NBR, Body: Brass, Port Size: 02 [1/4 (8A)], Thread: Rc, Bracket: B (Bracket)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: A (For Oil -- Seal: FKM, Body: Brass), Port Size: 02 [1/4 (8A)], Thread: Rc, Bracket: B (Bracket)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: For Air and Water -- Seal: NBR, Body: Brass, Port Size: 02 [1/4 (8A)], Thread: N (NPT)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: V (For Vacuum -- Seal: FKM, Body: Brass, Non-leak), Port Size: 02 [1/4 (8A)], Thread: T (NPTF), Bracket: B (Bracket)
Size: No.2, Orifice: 3 (4.5mm), Style: 2 (Normally Open), Option: V (For Vacuum -- Seal: FKM, Body: Brass, Non-leak), Port Size: 02 [1/4 (8A)], Thread: F (G)
Model: 23, Orifice Size: 2 (3mm), Configuration: 2 (N.O./Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Connector), Full-wave Rectifier: R (w/Full-wave Rectifier)
Model: 23, Orifice Size: 2 (3mm), Configuration: 2 (N.O./Single Unit), Solenoid Valve Option: Brass Body, NBR Seal, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread Type: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: D (DIN Connector), Full-wave Rectifier: R (w/Full-wave Rectifier), Bracket: B (Bracket)
Body Size: 20, Thread: N (NPT), Port: 02 (1/4), Option: Standard, 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)