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: N (NPT), Voltage: 5 (24VDC), Electrical Entry: T (with Conduit Terminal), Surge Suppressor: Z (w/Light and Surge Voltage Suppressor), Rectifier: None (for DC or AC Class H Coil)

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

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 1 (Meter-in), Indicator Direction: 2 (90°), Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 08 (ø8), 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: 01 (1/8), 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: 1(180°), Thread: N (NPT), Port Size: 01 (1/8), 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: 0°, Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 07 (ø1/4)

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.: 01 (ø1/8"), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 1 (Meter-in), Indicator Direction: 1(180°), Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 06 (ø6)

Body Size: 2 (1/8, 1/4), Type: 3 (Universal), Control Type: 0 (Meter-out), Indicator Direction: 1(180°), Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 08 (ø8), 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: 01 (1/8), Applicable Tubing O.D.: 06 (ø6), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 3 (Universal), Control Type: 0 (Meter-out), Indicator Direction: 1(180°), Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 07 (ø1/4), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 1 (Meter-in), Indicator Direction: 0°, Thread: N (NPT), Port Size: 01 (1/8), 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: 1(180°), Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 06 (ø6)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Indicator Direction: 0°, Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 04 (ø4), 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: 01 (1/8), Applicable Tubing O.D.: 06 (ø6), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 3 (Universal), Control Type: 0 (Meter-out), Indicator Direction: 1(180°), Thread: N (NPT), Port Size: 01 (1/8), 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: 01 (1/8), Applicable Tubing O.D.: 08 (ø8), Seal: S (w/Sealant)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 1 (Meter-in), Indicator Direction: 2 (90°), Thread: N (NPT), Port Size: 01 (1/8), 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: 0°, Thread: N (NPT), Port Size: 01 (1/8), 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: 0°, Thread: N (NPT), Port Size: 01 (1/8), Applicable Tubing O.D.: 03 (ø5/32")