Adapter KQ2N (Face Seal), One-Touch Fitting

Brand :
SMC
Caution
- Please refer to the catalog for detailed specifications and materials.
- Product images may be representative images. Refer to the catalog for details.
Product Description
One-touch fitting by SMC.
[Features]
· Improved tube insertion and removal.
· Compact, lightweight.
· Drastically reduces screw-in time with the face seal method.
[Applications]
· Use to connect one-touch fittings and R female threads.
Adapter: KQ2N (Face Seal) Outline Drawing And Dimensions

Adapter: KQ2N (Face Seal) Outline Drawing
| Applicable fitting Size ød | Connection thread R | Model | H (Hex size) | L | A | M | Minimum Port Size | Weight g |
|---|---|---|---|---|---|---|---|---|
| ø4 | 1/8 | KQ2N04-01□P | 12 | 27.6 | 22.4 | 9.1 | 2.5 | 4.4 |
| ø6 | 1/8 | KQ2N06-01□P | 12 | 27.6 | 22.4 | 9.1 | 4 | 4.6 |
| 1/4 | KQ2N06-02□P | 17 | 31 | 23.4 | 10.1 | 4 | 13.8 | |
| ø8 | 1/4 | KQ2N08-02□P | 17 | 32.9 | 25.3 | 11.1 | 6 | 11.8 |
| 3/8 | KQ2N08-03□P | 21 | 34.9 | 27.3 | 13.1 | 6 | 26.7 | |
| ø10 | 3/8 | KQ2N10-03□P | 21 | 36.8 | 29.2 | 13.6 | 7.5 | 14.7 |
□ Symbol: A = brass, N = brass + electroless nickel plating
Metric Size One-Touch Fittings KQ2 Series Common Specifications (Reference)
Construction

KQ2 Series construction
Applicable Tubing
| Tubing material | FEP, PFA, nylon, soft nylon, polyurethane |
|---|---|
| Tubing outer diameter | ø3.2, ø4, ø6, ø8, ø10, ø12, ø16 |
Specifications
| Fluid | Air, waterNote 1) | |
|---|---|---|
| Operating pressure rangeNote 2) | -100 kPa to 1 MPa | |
| Proof pressure (at 23°C) | 3 MPa | |
| Ambient temperature and fluid temperature | -5 to 60°C, Water: 0 to 40°C (No freezing) | |
| Thread | Mounting section | JIS B0203 (Taper thread for piping) JIS B0205 (Metric coarse thread) |
| Nut section | JIS B0205 (Metric fine thread) | |
| Sealant on the threads | Seal ring | |
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.
Principal Parts Materials
| Body | C3604, PBT |
|---|---|
| Stud | C3604 (thread part) |
| Chuck | SUS 304 |
| Guide | SUS 304 |
| Release button | POM |
| Seal, O-ring, Seal ring | NBR |