One-Touch Fitting KQ2 Series Different Diameter Straight KQ2H
Caution
- The minimum order quantity varies depending on the selected model. Please check the quotation / order screen for details.
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and 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
A one-touch fitting used to connect tubing of different sizes.
[Features]
· A compact and lightweight fitting with improved tube insertion/removal.
· Accommodates metric-size and inch sized tubing (outer diameter.) The release button is available with either an ovular or round body shape.
· Requires little force when removing, preventing the chuck from biting too deeply into the tubing.
[See here for catalog]
· Applicable tube outer diameter (metric, Release button: oval (pp. 9) / circle (pp. 106)
· Applicable tube outer diameter (inches), Release button: oval (pp. 33) circle (pp. 138)
[Applications]
· Can be used for connecting tubes of different sizes.
Different Diameter Straight KQ2H Specifications
Different Diameter Straight KQ2H (Circle Type) Dimensional Drawing
Rectangular type
Applicable Tubing: Metric Size, Connection Threads: M, R, Rc
| Applicable tube outer diameter (mm) | Model | øD1 | øD2 | L | M1 | M2 | Effective area (mm2) | Minimum hole diameter | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (a) | (b) | Nylon | Urethane | ||||||||
| ø2 | ø3.2 | KQ2H02-23A | 5.8 | 7.1 | 26.2 | 11.9 | 13.3 | - | 0.9 | 1.4 | 1.1 |
| ø2 | ø4 | KQ2H02-04A | 5.8 | 8.2 | 26.2 | 11.9 | 13.3 | - | 0.9 | 1.4 | 1.2 |
| ø3.2 | ø4 | KQ2H23-04A | 7.1 | 8.2 | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 1.5 |
| ø3.2 | ø6 | KQ2H23-06A | 7.1 | 10.4 | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 1.8 |
| ø4 | ø6 | KQ2H04-06A | 8.2 | 10.4 | 27.6 | 13.3 | 13.3 | 5.6 | 5.6 | 3 | 2 |
| ø6 | ø8 | KQ2H06-08A | 10.4 | 13.2 | 28.5 | 13.3 | 14.2 | 13.1 | 10.4 | 4.5 | 2.9 |
| ø8 | ø10 | KQ2H08-10A | 13.2 | 15.9 | 30.8 | 14.2 | 15.6 | 26.1 | 18 | 6 | 4.9 |
| ø10 | ø12 | KQ2H10-12A | 15.9 | 18.5 | 33.6 | 15.6 | 17 | 41.5 | 29.5 | 7.5 | 7.2 |
| ø12 | ø16 | KQ2H12-16A | 18.5 | 23.8 | 38.6 | 17 | 20.6 | 58.3 | 46.1 | 9 | 12.4 |
Release button shape: circular
| Applicable tube outer diameter (mm) | Model | øD1 | Release Button Dimensions (a) | øD2 | Release Button Dimensions (b) | L | M1 | M2 | Effective area (mm2) | Minimum hole diameter | Weight g | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (a) | (b) | øX (X) | Y | øX (X) | Y | Nylon | Urethane | ||||||||
| ø2 | ø3.2 | KQ2H02-23A1 | 5.8 | 5.5 | - | 7.1 | 6.7 | 9.5 | 26.2 | 11.9 | 13.3 | - | 0.9 | 1.4 | 1.1 |
| ø2 | ø4 | KQ2H02-04A1 | 5.8 | 5.5 | - | 8.2 | 7.7 | 10 | 26.2 | 11.9 | 13.3 | - | 0.9 | 1.4 | 1.2 |
| ø3.2 | ø4 | KQ2H23-04A1 | 7.1 | 6.7 | 9.5 | 8.2 | 7.7 | 10 | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 1.5 |
| ø3.2 | ø6 | KQ2H23-06A1 | 7.1 | 6.7 | 9.5 | 10.4 | 9.7 | 12 | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 1.8 |
| ø4 | ø6 | KQ2H04-06A1 | 8.2 | 7.7 | 10 | 10.4 | 9.7 | 12 | 27.6 | 13.3 | 13.3 | 5.6 | 5.6 | 3 | 2 |
| ø6 | ø8 | KQ2H06-08A1 | 10.4 | 9.7 | 12 | 13.2 | 13 | - | 28.5 | 13.3 | 14.2 | 13.1 | 10.4 | 4.5 | 2.9 |
Release button shape: oval
Dimensions/target: ø3.2, ø4, ø6
Applicable Tubing: Inch Size, Connection Threads: UNF, NPT
| Applicable tube outer diameter (inches) | Model | øD1 | øD2 | L | M1 | M2 | Effective area (mm2) | Minimum hole diameter | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (a) | (b) | Nylon | Urethane | ||||||||
| ø1/8 | ø5/32 | KQ2H01-03A | 7.1 | 8.2 | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 1.5 |
| ø1/4 | KQ2H01-07A | 7.1 | 11.1 | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 2 | |
| ø5/32 | ø3/16 | KQ2H03-05A | 8.2 | 9.1 | 27.6 | 13.3 | 13.3 | 5.6 | 5.6 | 3 | 1.8 |
| ø1/4 | KQ2H03-07A | 8.2 | 11.1 | 27.6 | 13.3 | 13.3 | 5.6 | 5.6 | 3 | 2.1 | |
| ø3/16 | ø1/4 | KQ2H05-07A | 9.1 | 11.1 | 27.6 | 13.3 | 13.3 | 7.8 | 6.5 | 3.5 | 2.2 |
| ø1/4 | ø5/16 | KQ2H07-09A | 11.1 | 13.2 | 28.5 | 13.3 | 14.2 | 13.5 | 11.5 | 4.6 | 3.2 |
| ø3/8 | KQ2H07-11A | 11.1 | 15.4 | 29.9 | 13.3 | 15.6 | 13.5 | 11.5 | 4.6 | 4.1 | |
| ø5/16 | ø3/8 | KQ2H09-11A | 13.2 | 15.4 | 30.8 | 14.2 | 15.6 | 26.1 | 18 | 6 | 4.7 |
| ø1/2 | KQ2H09-13A | 13.2 | 19.3 | 32.2 | 14.2 | 17 | 26.1 | 18 | 6 | 6.6 | |
| ø3/8 | ø1/2 | KQ2H11-13A | 15.4 | 19.3 | 33.6 | 15.6 | 17 | 35.3 | 29.1 | 7 | 7.3 |
Release button shape: circular
| Applicable tube outer diameter (inches) | Model | øD1 | Release Button Dimensions (a) | øD2 | Release Button Dimensions (b) | L | M1 | M2 | Effective area (mm2) | Minimum hole diameter | Weight g | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (a) | (b) | X | Y | øX (X) | Y | Nylon | Urethane | ||||||||
| ø1/8 | ø5/32 | KQ2H01-03A1 | 7.1 | 6.7 | 9.5 | 8.2 | 7.7 | 10 | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 1.5 |
| ø1/4 | KQ2H01-07A1 | 7.1 | 6.7 | 9.5 | 11.1 | 10.9 | - | 27.6 | 13.3 | 13.3 | 3.4 | 2.9 | 2.5 | 2 | |
| ø5/32 | ø3/16 | KQ2H03-05A1 | 8.2 | 7.7 | 10 | 9.1 | 8.4 | 11 | 27.6 | 13.3 | 13.3 | 5.6 | 5.6 | 3 | 1.8 |
| ø1/4 | KQ2H03-07A1 | 8.2 | 7.7 | 10 | 11.1 | 10.9 | - | 27.6 | 13.3 | 13.3 | 5.6 | 5.6 | 3 | 2.1 | |
| ø3/16 | ø1/4 | KQ2H05-07A1 | 9.1 | 8.4 | 11 | 11.1 | 10.9 | - | 27.6 | 13.3 | 13.3 | 7.8 | 6.5 | 3.5 | 2.2 |
Release button shape: oval
Applicable Tubing: Metric Size, Connection Threads: M, R, Rc
Main part.
| 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 |
Materials.
| Tube materials | FEP, PFA, nylon, soft nylon, polyurethane |
|---|---|
| Tube outer diameter | ø2, ø3.2, ø4, ø6, ø8, ø10, ø12, ø16 |
Applicable tube.
| Usable fluids | Air, water | |
|---|---|---|
| Operating pressure range | -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 | |
Specifications.
*See the manufacturer's catalog for specifications other than the above
Product usage precautions
Note 1: Fittings without a thread portion and with all resin bodies are copper free specifications.
Note 2: The surge pressure must be under the maximum operating pressure.
Note 3: Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
Note 4: øD1 and øD2 are the maximum diameters.