Cross KQ2TW One-Touch Fitting KQ2 Series

Caution
- The minimum order quantity varies depending on the selected model. Please check the quotation / order screen for details.
- See the catalog for details on materials and specifications.
- Product images may be representative images. Refer to the catalog for details.
Product Description
SMC quick-connect fitting.
[Features]
・ Improved tube insertion and removal
・ Compact and weight reduced
・ Vacuum from -100 kPa can be used
[Applications]
・ Used for branch connection between tubes in 4 directions
[Please click here for the catalog]
・ Applicable metric tube outer diameter, release bushing, oval (P.20) perfect circle (P.121)
・ Applicable tube outer diameter inch Release bushing Oval (P.43) Perfect circle (P.149)
* Made-to-order / clean series P.27, 48, 131, 156
Cross KQ2TW Outline Drawing And Dimensions

Cross KQ2TW outline drawing
(Units: mm)
| Applicable Tubing Outer Diameter mm | Model | øD | Release Button Dimensions | L | Q | M | øO | øN | Effective area (mm2) | Minimum hole diameter | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X | Y | Nylon | Urethane | ||||||||||
| ø4 | KQ2TW04-00A1 | 8.2 | 7.7 | 10 | 15.3 | 5.7 | 13.3 | 6 | 3.2 | 6.4 | 4.4 | 3 | 3.5 |
| ø6 | KQ2TW06-00A1 | 10.4 | 9.7 | 12 | 16.3 | 6.8 | 13.3 | 6 | 3.2 | 13.4 | 10.6 | 4.5 | 4.9 |
One-Touch Fitting KQ2 Series (Metric Size) Common Specifications (Reference)
Structure

One-Touch Fitting KQ2 Series (Metric Size) Structural Drawing
Applicable Tubing
| Tube materials | FEP, PFA, nylon, soft nylon, polyurethane |
|---|---|
| Tube outer diameter | ø3.2, ø4, ø6 |
Specifications
| 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.
Main Component Materials
| 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 |