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.

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.

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 0 (Meter-out), Control Range: FM (1 to 50 mm/s), Indicator Window Direction: 0° , or None for FC, FM, Thread: R, Port Size: 01 (1/8), Width Across Flats [H]: 9mm or None for Body Size 2, Tube Size: 04 (ø4)

Body Size: 2 (1/8, 1/4), Type: 2 (Elbow), Control Type: 1 (Meter-in), Control Range: FM (1 to 50 mm/s), Indicator Window Direction: 0° , or None for FC, FM, Thread: R, Port Size: 01 (1/8), Width Across Flats [H]: 9mm or None for Body Size 2, Tube Size: 04 (ø4)

Body Size: 2 (1/8, 1/4), Type: 3 (Universal), Control Type: 0 (Meter-out), Control Range: FM (1 to 50 mm/s), Indicator Window Direction: 0° , or None for FC, FM, Thread: R, Port Size: 01 (1/8), Width Across Flats [H]: 9mm or None for Body Size 2, Tube Size: 04 (ø4)

Body Size: 2 (1/8, 1/4), Type: 3 (Universal), Control Type: 1 (Meter-in), Control Range: FM (1 to 50 mm/s), Indicator Window Direction: 0° , or None for FC, FM, Thread: R, Port Size: 01 (1/8), Width Across Flats [H]: 9mm or None for Body Size 2, Tube Size: 04 (ø4)

Body Size: 2 (1/8, 1/4 Basis), Control Method: 0 (Meter Out), Material: Q (Brass (Electroless Nickel Plating)), Port Size: 01 (1/8), Applicable Tube OD: Ø4

Body Size: 2 (1/8, 1/4 Basis), Control Method: 0 (Meter Out), Material: G (Stainless Steel (SUS304)), Port Size: 01 (1/8), Applicable Tube OD: Ø4

Body Size: 2 (1/8, 1/4 Basis), Control Method: 1 (Meter In), Material: Q (Brass (Electroless Nickel Plating)), Port Size: 01 (1/8), Applicable Tube OD: Ø4

Built-in One-touch Fitting: F (One-touch Fitting), Thread: R, RC, Accessory: None, Tube Size: 04 (Ø4 One-touch Fitting)

AS: AS, Body Size: 2 (1/8, 1/4 Basis), Style: 2 (Elbow), Control Method: 1 (Meter-in), Thread: Metric Thread (M5)/R(PT), Port Size: 01 (1/8), Applicable Tube OD: Ø4

AS: AS, Body Size: 2 (1/8, 1/4 Basis), Style: 3 (Universal), Control Method: 1 (Meter-in), Thread: Metric Thread (M5)/R(PT), Port Size: 01 (1/8), Applicable Tube OD: Ø4

AS: AS, Body Size: 2 (1/8, 1/4 Basis), Style: 2 (Elbow), Control Method: 0 (Meter-out), Thread: Metric Thread (M5)/R(PT), Port Size: 01 (1/8), Applicable Tube OD: Ø4

Set Flow: 20 (10~20l/min), Thread: Rc(PT), Port Size: 04 (1/2), Terminal Box: 0 [w/o Terminal Box (Contact 1ab)], Neon Lamp: 1 [Neon Lamp (for 110VAC Red)]

Set Flow: 10 (1~10l/min), Thread: Rc(PT), Port Size: 04 (1/2), Terminal Box: 0 [w/o Terminal Box (Contact 1ab)], Neon Lamp: 1 [Neon Lamp (for 110VAC Red)]

Body Size: 1/8, Control Type: Meter-out, Port Size: R1/8, Applicable Tube OD: ø4

Body Size: 1/8, 1/4, Type: Elbow, Control Type: Meter-in, Control Range: 1 to 50 mm/s, Indicator Window Direction: 0° , or None for FC, FM, Thread: R, Port Size: 1/8, Width Across Flats [H]: 9mm or None for Body Size 2, Tube Size: ø4, Sealant: -, Push lock: -

Body Size: 1/8, 1/4, Type: Elbow, Control Type: Meter-out, Indicator Direction: 0°, Thread: R, Port Size: 1/8, Applicable Tubing O.D.: ø4, Seal: -

Number of Ports: 3 Port, Piping Direction, Bar Height: Side Ported, Short, Tube O.D.: ø4, Actuator Type: Roller Lever, Suffix: -, Indicator: -, Bracket: -

Number of Ports: 2 Port, Piping Direction, Bar Height: Bottom Ported, Short, Tube O.D.: ø4, Actuator Type: Roller Lever, Suffix: -, Indicator: -, Bracket: -