Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BCG (B + C + G), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: CG (C + G), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: BG (B + G), Semi-Standard 1: 2 (Metal Bowl), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Z (Oil-free), 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: A (C37, Seals: FKM, Class B), Suffix: Z (Oil-free), 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), Bracket: B (Bracket)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: Rc, 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: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Z (Oil-free), 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)

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 0 (Normally Closed), Port Size: 01 (1/8), Thread: R, Rc, Material: A (Body: SUS, Endplate: PPS, Diaphragm: PTFE), Option: None, Specification: None, Z: Z (Pilot Port Thread 1/8)

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 0 (Normally Closed), Port Size: 01 (1/8), Thread: N (NPT), Material: A (Body: SUS, Endplate: PPS, Diaphragm: PTFE), Option: 4 (Indicator), Specification: None, Z: Z (Pilot Port Thread 1/8)

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 0 (Normally Closed), Port Size: 01 (1/8), Thread: N (NPT), Material: A (Body: SUS, Endplate: PPS, Diaphragm: PTFE), Option: None, Specification: None, Z: Z (Pilot Port Thread 1/8)

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 0 (Normally Closed), Port Size: 01 (1/8), Thread: N (NPT), Material: A (Body: SUS, Endplate: PPS, Diaphragm: PTFE), Option: None, Specification: V (Vacuum), Z: Z (Pilot Port Thread 1/8)

Body Class: 2 (Class 2, Orifice ø4), Valve Type: 0 (Normally Closed), Port Size: 01 (1/8), Thread: R, Rc, Material: A (Body: SUS, Endplate: PPS, Diaphragm: PTFE), Option: None, Specification: V (Vacuum), Z: Z (Pilot Port Thread 1/8)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: Rc, 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: 4 (COM, Single Unit), Option: A (C37, Seals: FKM, Class B), Suffix: Z (Oil-free), 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), Bracket: B (Bracket)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Z (Oil-free), Port Size: 01 (1/8), Thread: Rc, 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: 4 (COM, Single Unit), Option: H (Stainless Steel, Seals: FKM, Class B), Suffix: Z (Oil-free), 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), Bracket: B (Bracket)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: C (N.C. Float Type Auto Drain), Semi-Standard 1: 6C (w/Bowl Guard, Nylon Bowl), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: CGH (C + G + H), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X406 (0.4 MPa Setting)

Body Size: 20, Thread: N (NPT), Port Size: 01 (1/8), Option: H (Set Nut for Panel Mount), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial Units: psi, °F), Made to Order: X406 (0.4 MPa Setting)