Double Branch KQ2UD (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
Compact, lightweight one-touch fitting.
[Features]
· Improved tube insertion and removal.
· RoHS compliant.
· Tube materials: FEP, PFA, nylon, soft nylon, polyurethane.
· Drastically reduces screw-in time with the face seal method.
[Applications]
· Use to branch into four tubes in line with a female thread.
Double Branch KQ2UD (Face Seal) Specifications

KQ2UD External Appearance

KQ2UD Dimensional Drawing

KQ2UD Dimensional Drawing
| Applicable tubing outer diameter mm | Connection thread R | Model | H (Hex size) | øD1Note) | øD2 | L | I | A | M | P | Q | øO | øN | Effective Area mm2 | Minimum Port Size | Weight g | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nylon | Urethane | ||||||||||||||||
| ø4 | 1/8 | KQ2UD04-01□P | 12 | 8.2 | 10.4 | 36 | 16.6 | 30.8 | 13.3 | 8.2 | 6.8 | 6 | 3.2 | 4.2 | 4.2 | 5.4 | 11.3 |
| 1/4 | KQ2UD04-02□P | 17 | 8.2 | 10.4 | 39.4 | 16.6 | 31.8 | 13.3 | 8.2 | 6.8 | 6 | 3.2 | 4.2 | 4.2 | 5.4 | 20.8 | |
| ø6 | 1/8 | KQ2UD06-01□P | 14 | 10.4 | 13.2 | 38.8 | 21 | 33.6 | 13.3 | 10.4 | 8.2 | 6 | 3.2 | 13.4 | 10.6 | 6 | 16.4 |
| 1/4 | KQ2UD06-02□P | 17 | 10.4 | 13.2 | 42.2 | 21 | 34.6 | 13.3 | 10.4 | 8.2 | 6 | 3.2 | 13.4 | 10.6 | 7.3 | 22.1 | |
Unit: mm
□ Symbol: A = brass, N = brass + electroless nickel plating
Note) øD1represents maximum diameter.
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 |