Delivery Pressure: 02 [1 to 30 psig (0.007 to 0.2 MPa)], Gauge Port, Outlet 3: 0 (No Pressure Gauge, Connections: 1/4 Inch NPT), Gauge Port, Outlet 4: 0 (No Pressure Gauge, Connections: 1/4 Inch NPT), Pressure Gauge Unit: psig/bar (or None in Case of no Gauge)

Delivery Pressure: 02 [0.5 to 30 psig (0.0034 to 0.2 MPa)], Material: S (Body: 316L SS Secondary Remelt; Poppet: 316L SS; Diaphragm: 316L SS), Surface Finish: M [10 μin. (0.25 μm), Standard], Range Options: Standard, Ports: 2PW [2 Ports (1-In; 2-Out)], Connections, Inlet: FV4 (1/4 Inch Face Seal, Female), Connections, Outlet: FV4 (1/4 Inch Face Seal, Female), Gauge Port, Outlet: No Gauge

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread: Rc, Voltage: 1 (100VAC 50/60HZ), Electrical Entry: T (with Conduit Terminal), Surge Suppressor: L (w/Light), Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread: Rc, Voltage: 1 (100VAC 50/60HZ), Electrical Entry: T (with Conduit Terminal), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

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: 02 (1/4), Thread: Rc, Voltage: 1 (100VAC 50/60HZ), Electrical Entry: T (with Conduit 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: 0 (N.C., Single Unit), Option: C37, Seals: NBR, Class B, Suffix: Standard, Port Size: 02 (1/4), Thread: Rc, Voltage: 1 (100VAC 50/60HZ), Electrical Entry: T (with Conduit Terminal), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier), Bracket: B (Bracket)

Model: 31, Orifice: 1 (1.5mm), Style: 4 (COM, Single Unit), Option: V (C37, Seals: FKM, Class B, Oil-free), Suffix: Standard, Port Size: 02 (1/4), Thread: Rc, Voltage: 1 (100VAC 50/60HZ), Electrical Entry: G (Grommet), Surge Suppressor: Non, Rectifier: R (AC Class B Coil w/Full-wave Rectifier)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 2 (90°), Thread: G (G), Port Size: 02 (1/4), Applicable Tubing O.D.: 06 (ø6)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 2 (90°), Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 09 (ø5/16")

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 2 (90°), Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 09 (ø5/16"), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 3 (270°), Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 09 (ø5/16")

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 3 (270°), Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 09 (ø5/16"), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 0°, Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 09 (ø5/16")

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 0°, Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 09 (ø5/16"), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 3 (270°), Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 07 (ø1/4), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 2 (90°), Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 11 (ø3/8"), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 0°, Thread: G (G), Port Size: 02 (1/4), Applicable Tubing O.D.: 10 (ø10)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 0°, Thread: R, Port Size: 02 (1/4), Applicable Tubing O.D.: 06 (ø6), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 0°, Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 03 (ø5/32"), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 3 (270°), Thread: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D.: 07 (ø1/4)