Body Size: 20A, Thread: Rc (Rc: for Sizes 20, 30, 40; M5: for Size 10), Port Size: 02 (1/4), Option: G (for Sizes 20, 25, 30, 40 Round Type Pressure Gauge w/Limit Indicator; for Size10: Round Type Pressure Gauge w/o Limit Indicator), Attachment: S (Pressure Switch), Semi-Standard 1: Standard, Semi-Standard 2: Standard

Function: 2 (2 Position Double), Body Option: 10 (Base Mounted Non Plug-in), Pilot: Internal Pilot, Voltage: 5 (24VDC), Lead Wire: D (DIN Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style (Flush), Piping: Side, Port Size: 02 (Base Mounted w/Sub-plate 1/4, Body Ported 1/4), Thread: F (G)

Function: 2 (2 Position Double), Body Option: 10 (Base Mounted Non Plug-in), Pilot: R (External Pilot), Voltage: 5 (24VDC), Lead Wire: D (DIN Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style (Flush), Piping: Side, Port Size: 02 (Base Mounted w/Sub-plate 1/4, Body Ported 1/4), Thread: F (G)

Function: 2 (2 Position Double), Body Option: 10 (Base Mounted Non Plug-in), Pilot: R (External Pilot), Voltage: 5 (24VDC), Lead Wire: D (DIN Connector), Surge Suppressor: Z (Light & Surge Suppressor), Manual Override: Non-locking Push Style (Flush), Piping: Side, Port Size: 02 (Base Mounted w/Sub-plate 1/4, Body Ported 1/4), Thread: N (NPT)

Body Size/Type: 22 (Elbow Size 01, 02 Standard), Control Type: 0 (Meter-out), 1: 1, Thread Type: (R Thread or In-Line Type), Port Size: 02 (1/4), Applicable Tubing O.D: 06 (ø6)

Stations: 3 Stations, A, B Port: 02 (Side 1/4), SI Unit: 0 (w/o SI Unit), P, R Port Size: 02 (1/4), P, R Port Location: B (Both Sides), Thread: T (NPTF)

Stations: 2 Stations, A, B Port: 02 (Side 1/4), SI Unit: 0 (w/o SI Unit), P, R Port Size: 02 (1/4), P, R Port Location: B (Both Sides), Thread: T (NPTF)

Body Size: 20, Thread: N (NPT), Port Size: 02 (1/4), Option: G (For Sizes 10, 20, 30, 40 Round Type Pressure Gauge w/Limit Indicator; For For Size 10: Round Type Pressure Gauge w/o Limit Indicator ), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial

Body Size: 30, Thread: N (NPT), Port Size: 02 (1/4), Option: G (For Sizes 10, 20, 30, 40 Round Type Pressure Gauge w/Limit Indicator; For For Size 10: Round Type Pressure Gauge w/o Limit Indicator ), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial

Body Size: 40, Thread: N (NPT), Port Size: 02 (1/4), Option: G (For Sizes 10, 20, 30, 40 Round Type Pressure Gauge w/Limit Indicator; For For Size 10: Round Type Pressure Gauge w/o Limit Indicator ), Semi-Standard 1: J (Drain Guide 1/8: Size 20; Drain Guide 1/4: Sizes 25, 30, 40), Semi-Standard 2: Z (NPT Porting requires Z, Name Plate, Caution Plate for Bowl, & Pressure Gauge in Imperial

Body Size/Type: 22 (Elbow Size 01, 02 Standard), Control Type: 0 (Meter-out), 1: 1, Thread Type: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D: 11 (ø3/8"), Sealant: S (w/Sealant)

Body Size/Type: 22 (Elbow Size 01, 02 Standard), Control Type: 0 (Meter-out), 1: 1, Thread Type: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D: 07 (ø1/4"), Sealant: S (w/Sealant)

Body Size/Type: 22 (Elbow Size 01, 02 Standard), Control Type: 0 (Meter-out), 1: 1, Thread Type: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D: 09 (ø5/16"), Sealant: S (w/Sealant)

Body Size/Type: 22 (Elbow Size 01, 02 Standard), Control Type: 1 (Meter-in), 1: 1, Thread Type: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D: 07 (ø1/4"), Sealant: S (w/Sealant)

Body Size/Type: 22 (Elbow Size 01, 02 Standard), Control Type: 1 (Meter-in), 1: 1, Thread Type: N (NPT), Port Size: 02 (1/4), Applicable Tubing O.D: 11 (ø3/8"), Sealant: S (w/Sealant)

Body Option: 0 (Internal Pilot), Port Size: 02 (Rc1/4), Style: 02 (One-way Operation Roller Lever), Suffix: None [Or Polyacetal (Std) in Case of Roller Material), Accessory: F [Foot Bracket (Internal Pilot Type Only)]

Body Option: 0 (Internal Pilot), Port Size: 02 (Rc1/4), Style: 02 (One-way Operation Roller Lever), Suffix: None [Or Polyacetal (Std) in Case of Roller Material), Accessory: F [Foot Bracket (Internal Pilot Type Only)]

Piping: 1 (Bottom Direction), Body Color: W (Urban White), Piping Type: N (NPT), Connection Size: 02 [Screw-in (Port Size 1/4)], Nozzle: 02 (Male Thread, KN-R02-150), Nozzle Cover: CF (Nozzle Cover/Fluororubber)

Piping: 1 (Bottom Direction), Body Color: BU (Dark Blue), Piping Type: F (G), Connection Size: 02 [Screw-in (Port Size 1/4)], Nozzle: 02 (Male Thread, KN-R02-150), Nozzle Cover: CF (Nozzle Cover/Fluororubber)

① When there is no piping rotation stopper, the part numbers are as follows: IRV10-01/02□-X3 and IRV20-02/03/04□-X3.
② When there is a piping rotation stopper, the part numbers are as follows: IRV10-01/02□-X28 and IRV20-02/03/04□-X28.
The IRV10 series catalog can be found here.