 
Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), 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)
Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), 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)
Model: 31, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), 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)
Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)
Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 6 (12VDC), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)
Model: 31, Orifice: 2 (2.2mm), Style: 0 (N.C., Single Unit), Option: M (SS, 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)
Model: 31, Orifice: 2 (2.2mm), Style: 0 (N.C., Single Unit), Option: M (SS, 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)
Model: 31, Orifice: 2 (2.2mm), Style: 0 (N.C., Single Unit), Option: M (SS, 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: S (w/Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)
Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), 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)
Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), 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: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), 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)
Model: 31, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: D (DIN Terminal), Surge Suppressor: L (w/Light), Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)
Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BM (B + M), Semi-Standard 1: 6C (w/Bowl Guard, Nylon Bowl), Semi-Standard 2: RZ (R + Z)
Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: BM (B+M), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Y (Upward), Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)
Model: 31, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: M (SS, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 6 (12VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)
Body Size: 20, Model Type: B (Air Filter + Regulator), Thread: N (NPT), Port Size: 01 (1/8), Float Type Auto Drain: C [N.C.
Body Size: 20, Backflow: K (w/Backflow Function), Thread: N (NPT), Port Size: 01 (1/8), Options: BM (B+M), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: R (Right to Left), Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)
Body Size: 20, Backflow: w/o Backflow Function, Thread: N (NPT), Port Size: 01 (1/8), Options: M (Round Type Pressure Gauge, w/Color Zone), Set Pressure: 0.05 to 0.85 MPa Setting, Exhaust Mechanism: Relieving Type, Flow Direction: Left to Right, Knob: Downward, Pressure Units: Z (Unit on Product Label: psi, Pressure Gauge: MPa/psi Dual Scale)
Body Size: 20 (Applicable AC Size: AC20), Handle Operation: Single Action, Thread Type: N (NPT), Port Size: 01 (1/8), Mounting: without Mounting Option, Silencer: without Silencer, Handle Color: K (Black), Handle Material: M (Metal), Flow Direction: Flow Direction: Left to Right), Unit: Z (Unit of Product Label: psi)
Body Size: 20 (Applicable AC Size: AC20), Handle Operation: Single Action, Thread Type: N (NPT), Port Size: 01 (1/8), Mounting: without Mounting Option, Silencer: without Silencer, Handle Color: Red, Handle Material: M (Metal), Flow Direction: Flow Direction: Left to Right), Unit: Z (Unit of Product Label: psi)