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Metal Quick-Connect Fitting, KQB2 Series, Reducing Straight, KQB2H
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
(i)Caution
- For materials and specification details, please refer to the catalog.
- Product images may be representative images. Refer to the catalog for shape details.
Part Number
Configured Part Number is shown.
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.
| Part Number |
|---|
| KQB2H04-06 |
| KQB2H06-08 |
| KQB2H08-10 |
| KQB2H10-12 |
| KQB2H12-16 |
| KQB2H23-04 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Tube O.D.1 (φ) | Applicable Tube Outer Diameter 2 (φ) |
|---|---|---|---|---|---|---|
MYR 18.02 | 1 Piece(s) | 5 Day(s) or more | 4 | 6 | ||
MYR 23.07 | 1 Piece(s) | 5 Day(s) or more | 6 | 8 | ||
MYR 37.95 | 1 Piece(s) | 21 Day(s) | 8 | 10 | ||
MYR 40.70 | 1 Piece(s) | 3 Day(s) | 10 | 12 | ||
MYR 69.44 | 1 Piece(s) | 5 Day(s) or more | 12 | 16 | ||
MYR 27.83 | 1 Piece(s) | 5 Day(s) or more | 3.2 | 4 |
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Basic Information
| Fitting Type | Union with different diameters | Applicable Fluid | Water / Air | Body Material | SUS304 |
|---|---|---|---|---|---|
| Types | Single-Action | Union, Unequal Dia. | Reducing Straight | Application | Standard/Mini |
| Packing, Material of O-Ring | Special FKM (Fluorine Coating) | Operating Temperature(°C) | -5::150 | Number of Connection Tubes(piece) | 2 |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Quick Coupling, Standard UKB Series Bulkhead Union B
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- for General Piping, Tube Fitting Mini-Type Branch Union Y
- Corrosion-Resistant SUS303 Equivalent Fitting Tee
- Coupler Socket (Female Thread/Stainless Steel)
- One-Touch Fitting KQ2 Series, 45° Male Elbow KQ2K (Face Seal)
- Double Branch Universal Male Elbow 10-KQ2ZD (Sealant), One-Touch Fitting
- Straight Union KQB2H Metal One-Touch Fitting KQB Series
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