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A one-touch fitting by SMC.
[Features]
· Improved tube insertion/removal.
· Compact and lightweight.
· Can be used with a vacuum pressure of -100 kPa or more.
· Body shape: Total of 51 models.
· Thread part material / surface treatment (with/without): 2 types.
· Available surface treatment: brass (no plating), brass + electroless nickel plating.
[Applications]
· Use to change the tube direction from one-touch fittings by 90 degrees while reducing the size (diameter) of the tube.
[See here for catalog]
· Applicable tube outer diameter (metric), Release button: oval (pp. 12) circle (pp. 109)
· Applicable tube outer diameter (inches), Release button: oval (pp. 36) circle (pp. 141)
Part Number
Configured Part Number is shown.

Reducer Elbow KQ2L outline drawing
(Units: mm)
| Applicable tube outer diameter mm | Applicable tube fitting size ød | Model | øD1 | Release Button Dimensions | øD2 | L1 | L2 | A | M | Effective area (mm2) | Minimum hole diameter | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X | Y | Nylon | Urethane | |||||||||||
| ø3.2 | ø4 | KQ2L23-04A1 | 7.1 | 6.7 | 9.5 | 6.4 | 14.5 | 23.9 | 14.1 | 13.3 | 3 | 2.5 | 2.5 | 1.1 |
| ø6 | KQ2L23-06A1 | 7.1 | 6.7 | 9.5 | 6.4 | 14.5 | 24.1 | 14.3 | 13.3 | 3 | 2.5 | 2.5 | 1.3 | |
| ø4 | ø6 | KQ2L04-06A1 | 8.2 | 7.7 | 10 | 7.2 | 14.8 | 24.6 | 15.4 | 13.3 | 4.2 | 4.2 | 3 | 1.5 |
| ø8 | KQ2L04-08A1 | 8.2 | 7.7 | 10 | 7.2 | 14.8 | 29.5 | 19.4 | 13.3 | 4.2 | 4.2 | 3 | 1.8 | |
| ø6 | ø8 | KQ2L06-08A1 | 10.4 | 9.7 | 12 | 9 | 15.5 | 24.2 | 15.2 | 13.3 | 11.4 | 9 | 4.5 | 2.1 |
| ø10 | KQ2L06-10A1 | 10.4 | 9.7 | 12 | 9 | 15.5 | 31.6 | 21.2 | 13.3 | 11.4 | 9 | 4.5 | 2.7 | |

One-Touch Fitting KQ2 Series (Metric Size) Structural Drawing
| Tube materials | FEP, PFA, nylon, soft nylon, polyurethane |
|---|---|
| Tube outer diameter | ø3.2, ø4, ø6 |
| Usable fluids | Air, water Note 1: | |
|---|---|---|
| Operating pressure range Note 2: | -100 kPa to 1 MPa | |
| Guaranteed proof pressure (at 23°C) | 3 MPa | |
| Ambient temperature and fluid temperature | -5 to 60°C, For water: 0 to 40°C (no freezing) | |
| Thread | Mounting section | JIS B0203 (tapered pipe thread) JIS B0205 (metric coarse thread) |
| Nut section | JIS B0205 (metric fine thread) | |
| Thread part seal | Sealing agent included | |
Note 1: The surge pressure must be under the maximum operating pressure.
Note 2: Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
| Body | C3604, PBT, PP, SUS303 |
|---|---|
| Stud | C3604 (thread part), SUS303 (thread part) |
| Chuck | SUS304 |
| Guide | SUS304 |
| Release button | POM |
| Seal, O-ring | NBR |
| Gasket | SUS304, NBR |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Application | Applicable Tube O.D.1 (φ) | Applicable Fitting Size (mm) | Applicable tube fitting size (inches) | Color | Release button shape | Release button color | Custom-made specifications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 24.94 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 1/8 | - | 5/32 | White | Perfect circle | White | N/A | ||
MYR 25.86 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 1/8 | - | 3/16 | White | Perfect circle | White | N/A | ||
MYR 24.87 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 1/8 | - | 1/4 | White | Perfect circle | White | N/A | ||
MYR 25.86 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 5/32 | - | 3/16 | White | Perfect circle | White | N/A | ||
MYR 25.86 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 5/32 | - | 1/4 | White | Perfect circle | White | N/A | ||
MYR 15.10 | 10 Piece(s) | 43 Day(s) | Clean circumstance | 4 | 6 | - | White | Perfect circle | White | N/A | ||
MYR 20.82 | 10 Piece(s) | 34 Day(s) or more | Clean circumstance | 4 | 6 | - | White | Ellipse | White | N/A | ||
MYR 21.57 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 4 | 8 | - | White | Perfect circle | White | N/A | ||
MYR 21.57 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 4 | 8 | - | White | Ellipse | White | N/A | ||
MYR 26.64 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 3/16 | - | 1/4 | White | Perfect circle | White | N/A | ||
MYR 26.64 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 3/16 | - | 5/16 | White | Perfect circle | White | N/A | ||
MYR 16.30 | 10 Piece(s) | 43 Day(s) | Clean circumstance | 6 | 8 | - | White | Perfect circle | White | N/A | ||
MYR 22.26 | 10 Piece(s) | 34 Day(s) or more | Clean circumstance | 6 | 8 | - | White | Ellipse | White | N/A | ||
MYR 23.01 | 10 Piece(s) | 9 Day(s) or more | Clean circumstance | 6 | 10 | - | White | Perfect circle | White | N/A | ||
MYR 23.01 | 10 Piece(s) | 34 Day(s) or more | Clean circumstance | 6 | 10 | - | White | Ellipse | White | N/A | ||
MYR 26.40 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 1/4 | - | 5/16 | White | Perfect circle | White | N/A | ||
MYR 27.49 | 10 Piece(s) | 34 Day(s) or more | Clean circumstance | 1/4 | - | 3/8 | White | Perfect circle | White | N/A | ||
MYR 23.71 | 10 Piece(s) | 10 Day(s) or more | Clean circumstance | 8 | 10 | - | White | Perfect circle | White | N/A | ||
MYR 20.00 | 10 Piece(s) | 43 Day(s) | Clean circumstance | 8 | 12 | - | White | Perfect circle | White | N/A | ||
MYR 29.12 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 5/16 | - | 3/8 | White | Perfect circle | White | N/A | ||
MYR 33.19 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 5/16 | - | 1/2 | White | Perfect circle | White | N/A | ||
MYR 23.87 | 5 Piece(s) | 5 Day(s) or more | Clean circumstance | 10 | 12 | - | White | Perfect circle | White | N/A | ||
MYR 34.59 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 3/8 | - | 1/2 | White | Perfect circle | White | N/A | ||
MYR 33.21 | 5 Piece(s) | 10 Day(s) or more | Clean circumstance | 12 | 16 | - | White | Perfect circle | White | N/A | ||
MYR 14.80 | 10 Piece(s) | 43 Day(s) | Clean circumstance | 3.2 | 4 | - | White | Perfect circle | White | N/A | ||
MYR 20.12 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 3.2 | 4 | - | White | Ellipse | White | N/A | ||
MYR 20.82 | 10 Piece(s) | 13 Day(s) or more | Clean circumstance | 3.2 | 6 | - | White | Perfect circle | White | N/A | ||
MYR 15.02 | 10 Piece(s) | 10 Day(s) or more | Standard/Mini | 1/8 | - | 5/32 | White | Perfect circle | Orange | N/A | ||
MYR 15.02 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/8 | - | 5/32 | White | Ellipse | Orange | N/A | ||
MYR 15.81 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/8 | - | 3/16 | White | Perfect circle | Orange | N/A | ||
MYR 15.81 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/8 | - | 3/16 | White | Ellipse | Orange | N/A | ||
MYR 11.20 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 1/8 | - | 1/4 | White | Perfect circle | Orange | N/A | ||
MYR 15.82 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/8 | - | 1/4 | White | Ellipse | Orange | N/A | ||
MYR 11.30 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 5/32 | - | 3/16 | White | Perfect circle | Orange | N/A | ||
MYR 15.82 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 5/32 | - | 3/16 | White | Ellipse | Orange | N/A | ||
MYR 11.30 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 5/32 | - | 1/4 | White | Perfect circle | Orange | N/A | ||
MYR 15.82 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 5/32 | - | 1/4 | White | Ellipse | Orange | N/A | ||
MYR 18.18 | 10 Piece(s) | 17 Day(s) or more | Standard/Mini | 5/32 | - | 1/4 | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 16.50 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 5/32 | - | 1/4 | Black | Perfect circle | Orange | Body color change (black) | ||
MYR 11.40 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 4 | 6 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 11.30 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 4 | 6 | - | White | Ellipse | Light Gray | N/A | ||
MYR 11.30 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 4 | 8 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 15.82 | 10 Piece(s) | 10 Day(s) or more | Standard/Mini | 4 | 8 | - | White | Ellipse | Light Gray | N/A | ||
MYR 15.82 | 10 Piece(s) | 10 Day(s) or more | Standard/Mini | 3/16 | - | 1/4 | White | Perfect circle | Orange | N/A | ||
MYR 15.82 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 3/16 | - | 1/4 | White | Ellipse | Orange | N/A | ||
MYR 15.82 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 3/16 | - | 5/16 | White | Perfect circle | Orange | N/A | ||
MYR 15.82 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 3/16 | - | 5/16 | White | Ellipse | Orange | N/A | ||
MYR 11.70 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 6 | 8 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 11.70 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 6 | 8 | - | White | Ellipse | Light Gray | N/A | ||
MYR 16.50 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 6 | 8 | - | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 12.00 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 6 | 10 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 12.00 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 6 | 10 | - | White | Ellipse | Light Gray | N/A | ||
MYR 17.19 | 10 Piece(s) | 23 Day(s) or more | Standard/Mini | 6 | 10 | - | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 11.60 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 1/4 | - | 5/16 | White | Perfect circle | Orange | N/A | ||
MYR 16.50 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/4 | - | 5/16 | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 16.50 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/4 | - | 5/16 | Black | Perfect circle | Orange | Body color change (black) | ||
MYR 20.75 | 1 Piece(s) | 2 Day(s) | Standard/Mini | 1/4 | - | 3/8 | White | Perfect circle | Orange | N/A | ||
MYR 17.19 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/4 | - | 3/8 | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 16.57 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 1/4 | - | 3/8 | Black | Perfect circle | Orange | Body color change (black) | ||
MYR 12.60 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 8 | 10 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 17.88 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 8 | 10 | - | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 21.63 | 10 Piece(s) | 21 Day(s) | Standard/Mini | 8 | 10 | - | Black | Perfect circle | Light Gray | Body color change (black) | ||
MYR 15.10 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 8 | 12 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 21.50 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 8 | 12 | - | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 23.38 | 10 Piece(s) | 21 Day(s) | Standard/Mini | 8 | 12 | - | Black | Perfect circle | Light Gray | Body color change (black) | ||
MYR 12.60 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 5/16 | - | 3/8 | White | Perfect circle | Orange | N/A | ||
MYR 17.88 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 5/16 | - | 3/8 | Black | Perfect circle | Orange | Body color change (black) | ||
MYR 20.94 | 10 Piece(s) | 10 Day(s) or more | Standard/Mini | 5/16 | - | 1/2 | White | Perfect circle | Orange | N/A | ||
MYR 26.05 | 10 Piece(s) | 21 Day(s) | Standard/Mini | 5/16 | - | 1/2 | Black | Perfect circle | Orange | Body color change (black) | ||
MYR 15.40 | 5 Piece(s) | 3 Day(s) | Standard/Mini | 10 | 12 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 21.50 | 5 Piece(s) | 10 Day(s) or more | Standard/Mini | 10 | 12 | - | White | Perfect circle | White | Lubricant:white petroleum jelly, release push color change | ||
MYR 21.56 | 5 Piece(s) | 10 Day(s) or more | Standard/Mini | 10 | 12 | - | Black | Perfect circle | Light Gray | Body color change (black) | ||
MYR 15.40 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 3/8 | - | 1/2 | White | Perfect circle | Orange | N/A | ||
MYR 21.50 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 3/8 | - | 1/2 | Black | Perfect circle | Orange | Body color change (black) | ||
MYR 18.80 | 5 Piece(s) | 3 Day(s) | Standard/Mini | 12 | 16 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 26.56 | 5 Piece(s) | 23 Day(s) or more | Standard/Mini | 12 | 16 | - | Black | Perfect circle | Light Gray | Body color change (black) | ||
MYR 11.10 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 3.2 | 4 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 11.10 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 3.2 | 4 | - | White | Ellipse | Light Gray | N/A | ||
MYR 15.70 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 3.2 | 4 | - | Black | Perfect circle | Light Gray | Body color change (black) | ||
MYR 13.07 | 10 Piece(s) | 3 Day(s) | Standard/Mini | 3.2 | 6 | - | White | Perfect circle | Light Gray | N/A | ||
MYR 13.18 | 10 Piece(s) | 43 Day(s) | Standard/Mini | 3.2 | 6 | - | White | Ellipse | Light Gray | N/A | ||
MYR 18.24 | 10 Piece(s) | 17 Day(s) or more | Standard/Mini | 3.2 | 6 | - | Black | Ellipse | Light Gray | Body color change (Black) | ||
MYR 16.50 | 10 Piece(s) | 13 Day(s) or more | Standard/Mini | 3.2 | 6 | - | Black | Perfect circle | Light Gray | Body color change (black) |
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| Fitting Type | Socket and reducer | Applicable Fluid | Water / Air | Body Material | PBT+PP |
|---|---|---|---|---|---|
| Types | Single Action / Pipe | Packing, Material of O-Ring | NBR | Sockets, Reducers | Reducing Elbow |
| Operating Temperature(°C) | -5::60 | Types of connection | Tube Connection |
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