Model: 31, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 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: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 01 (1/8), Thread: T (NPTF), 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: 31, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: B (C37, Seals: EPDM, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), 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: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE (B+E), Specifications: 0.005 to 0.4MPa Setting, Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE (B+E), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE3 (B+E3), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE1 (B+E1), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BE (B+E), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: None, Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: 3 (0.008 to 0.6 MPa Setting), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: 3RY (3+R+Y), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: 0.005 to 0.4MPa Setting, Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Size: 20, Backflow Function: K (Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Accessory: BG (B+G), Specifications: Y (Upward Facing Knob), Pressure Unit: Z (Name plate & Pressure Gauge in Imperial Units: psi)

Number of Ports: 3 (3 Port), Piping Direction, Bar Height: 1 (Side Ported, Short), Tube O.D.: 04 (ø4), Actuator Type: 01 (Roller Lever), Suffix: S (Hard Steel Roller), Indicator: None, Bracket: B (w/Bracket Included)

Number of Ports: 2 (2 Port), Piping Direction, Bar Height: 1 (Side Ported, Short), Tube O.D.: 04 (ø4), Actuator Type: 01 (Roller Lever), Suffix: S (Hard Steel Roller), Indicator: None, Bracket: B (w/Bracket Included)

Number of Ports: 3 (3 Port), Piping Direction, Bar Height: 1 (Side Ported, Short), Tube O.D.: 06 (ø6), Actuator Type: 01 (Roller Lever), Suffix: S (Hard Steel Roller), Indicator: None, Bracket: B (w/Bracket Included)

Output Specification: T (PNP Open Collector 2 Outputs + Analog Voltage Output), Unit Specification: M (SI Unit Only), Piping Specification: 01 (R 1/8), Lead Wire: w/o Lead Wire, Bracket: A2 (Bracket B, Horizontal Mounting)

Output Specification: V (PNP Open Collector 2 Outputs + Analog Current Output), Unit Specification: M (SI Unit Only), Piping Specification: 01 (R 1/8), Lead Wire: w/o Lead Wire, Bracket: A2 (Bracket B, Horizontal Mounting)

Base Mounted Wiring: 10 (Non Plug-in Individual Lead Wire Entry), Stations: 3 Stations, Passage: 2 [P(SUP): Common, E(EXH): Common, Port A,B(CYL): Bottom], Port Size: 01 (1/8), Thread: N (NPT)

Base Mounted Wiring: 10 (Non Plug-in Individual Lead Wire Entry), Stations: 10 Stations, Passage: 2 [P(SUP): Common, E(EXH): Common, Port A,B(CYL): Bottom], Port Size: 01 (1/8), Thread: T (NPTF)

Base Mounted Wiring: 10 (Non Plug-in Individual Lead Wire Entry), Stations: 2 Stations, Passage: 7 [P(SUP): Individual, E(EXH): Individual, Port A,B(CYL): Side], Port Size: 01 (1/8), Thread: F (G)