Metal Quick-Connect Fitting, KQB2 Series, Reducing Straight, KQB2H
Caution
- For materials and specification details, please refer to the catalog.
- Product images may be representative images. Refer to the catalog for shape details.
Product Description
Quick-connect fitting from SMC Corporation.
[Features]
・ Compact and weight reduced
・ Lubrication-free
·Fluid temperature: -5 to 150°C
[Applications]
・ Used for connecting tubes of different sizes
Different Diameter Straight: KQB2H Outline Drawing And Dimensions
Different Diameter Straight: KQB2H outline drawing
(Unit: mm)
| Applicable tubing outer diameter (mm) | Model | øDNote 1) | L | M1 | M2 | Effective cross-sectional areaNote 2) (mm2) | Weight (g) | |
|---|---|---|---|---|---|---|---|---|
| a | b | |||||||
| ø3.2 | ø4 | KQB2H23-04 | 9 | 25.6 | 12 | 12.6 | 3.4 | 6.8 |
| ø4 | ø6 | KQB2H04-06 | 12 | 27.2 | 12.6 | 13.6 | 5.6 | 12.1 |
| ø6 | ø8 | KQB2H06-08 | 14 | 30.7 | 13.6 | 16.1 | 13.1 | 17.1 |
| ø8 | ø10 | KQB2H08-10 | 17 | 34.1 | 16.1 | 17 | 26.1 | 27.2 |
| ø10 | ø12 | KQB2H10-12 | 19 | 36.6 | 17 | 18.6 | 41.5 | 34.8 |
| ø12 | ø16 | KQB2H12-16 | 24.6 | 40.4 | 18.6 | 20.8 | 58.3 | 57.3 |
Note 1) øD is the maximum diameter.
Note 2) Value of FEP tubing.
Metal One-Touch Fitting KQB2 Series Common Specifications (Reference)
Inch size × UNF/NPT thread, millimeter size × G thread
Applicable tubing size
ø3.2 to ø16, ø1/8 "to ø1/2 "
Connection Thread
M, R, Rc, UNF, NPT, G
Fluid temperature
-5 to 150°C
Grease-free
Applicable tubing materials
FEP / PFA / Nylon / Soft nylon / Polyurethane / Polyolefin
Electroless nickel plated (brass parts)
Structure
Metal One-Touch Fitting KQB2 Series structural drawing
| No. | Part Name | Material |
|---|---|---|
| 1 | Release button | SUS304 |
| 2 | Guide 1 | SUS304 |
| 3 | Guide 2 | SUS304 |
| 4 | Chuck | SUS304 |
| 5 | Seal | Special FKM (fluorine coated) |
| 6 | Male Connector body | C3604 (electroless nickel plated) |
| 7 | Male Elbow body | SUS316 |
| 8 | O-Ring | Special FKM (fluorine coated) |
| 9 | Stud | C3604 (electroless nickel plated) |
Applicable Tubing
| Tube materials | FEP / PFA / Nylon / Soft Nylon / Polyurethane / Polyolefin |
|---|---|
| Tube outer diameter | ø3.2, ø4, ø6, ø8, ø10, ø12, ø16 |
Specifications
| Usable fluids | Air, water |
|---|---|
| Operating pressure rangeNote 1) | -100 kPa to 1 MPaNote 2) |
| Proof pressure | 3.0 MPa |
| Ambient and fluid temperatureNote 3) | -5 to 150°C (no freezing)Note 2) |
| Lubricant | Grease-free finish |
| Seal (thread portion) | With sealant |
Note 1) Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
Note 2) Check the operating pressure range and operating temperature range of the tube.
Note 3) It is recommended that you use the inner sleeve in the following conditions. (Except ø3.2)
- When using in an environment where the fluid temperature changes drastically.
- When using at a high temperature.