Body Size: 20, Thread: Rc, Port: 01 (1/8), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Standard

Body Size: 20, Thread: Rc, Port: 01 (1/8), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: R (Flow Direction: Right->Left)

Body Size: 20, Thread: Rc, Port: 01 (1/8), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: T (T Spacer), Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: R (Flow Direction: Right->Left)

Body Size: 20, Thread: F (G), Port: 01 (1/8), Option: Standard, Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Standard

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: G (Round Pressure Gauge w/Limit Indicator), Attachment: KV (K + V), Semi-Standard 1: 1C (1 + C), Semi-Standard 2: Z (Name Plate, Caution Plate for Bowl, and Pressure Gauge: psi, °F)

Body Size: 20, Thread: F (G), Port: 01 (1/8), Option: Standard, Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Standard

Body Size: 20, Thread: F (G), Port: 01 (1/8), Option: M [Round type pressure gauge (with color zone)], Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Standard

Body Size: 20, Thread: F (G), Port: 01 (1/8), Option: Standard, Attachment: Standard, Semi-Standard 1: C (Bowl Guard), Semi-Standard 2: Standard

Body Size: 20, Thread: N (NPT), Port: 01 (1/8), Option: G (Round Pressure Gauge w/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)

SI unit for DeviceNet TM

C: Contents revised in several places. D: Contents revised in several places. [January 2021] 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 URL https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.

Size: 1/4 Basis, Construction: Diaphragm Style, Basis: M5X0.8, Thread: G, Port Size: 01 [Rc(PT)1/8], Temperature Option: Low Temperature, -30 to 60°C

Model: 31, Orifice: 1 (1.5mm), Style: 0 (N.C., Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 1 (1.5mm), Style: 2 (N.O., Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), 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: S (C37/Cu, Seal: Poppet-FFKM, Fixed-PTFE, Class H, Steam), Suffix: Standard, Port Size: 01 (1/8), Thread: F (G), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 2 (2.2mm), Style: 4 (COM, Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: T (NPTF), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil)

Model: 31, Orifice: 3 (3mm), Style: 0 (N.C., Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 3 (3mm), Style: 2 (N.O., Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 2 (2.2mm), Style: 2 (N.O., Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 3 (110VAC 50/60HZ), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Model: 31, Orifice: 3 (3mm), Style: 4 (COM, Single Unit), Option: G (Stainless Steel, Seals: NBR, Class B), Suffix: Standard, Port Size: 01 (1/8), Thread: N (NPT), Voltage: 5 (24VDC), Electrical Entry: C (Conduit), Surge Suppressor: Non, Rectifier: None (for DC or AC Class H Coil), Bracket: B (Bracket)