Plug-In Reducer KGR Stainless Steel One-Touch Fitting, KG Series.

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
SMC quick-connect fitting.
[Features]
・ Stainless steel specifications that can be used in a corrosion resistant environment
・ SUS303 is used for the metal material part
・ It can be used in CRT lines that dislike copper ions, water cleaning of food equipment that is exposed to water or salt water, and in cleanrooms that dislike dust generation due to discoloration and rust of copper materials
[Applications]
・ Used for resizing quick-connect fitting
Plug-In Reducer: KGR Outline Drawing And Dimensions

Plug-In Reducer: KGR outline drawing
| Applicable tubing Outer diameter (mm) | Applicable fitting Size (ød) | Model | øDNote 1) | L | A | M | Effective cross-sectional areaNote 2) (mm2) | Weight g | |
|---|---|---|---|---|---|---|---|---|---|
| Nylon | Urethane | ||||||||
| 4 | 6 | KGR04-06 | 10.4 | 34.5 | 17.5 | 16 | 5.6 | 4 | 1.8 |
| 8 | KGR04-08 | 36.5 | 18 | 2.0 | |||||
| 10 | KGR04-10 | 12.8 | 39.5 | 18.5 | 3.3 | ||||
| 6 | 4 | KGR06-04 | 12.8 | 37 | 21 | 17 | 4 | 4 | 3 |
| 8 | KGR06-08 | 37 | 18.5 | 13.1 | 10.4 | 2.5 | |||
| 10 | KGR06-10 | 39.5 | 3 | ||||||
| 12 | KGR06-12 | 15.2 | 42 | 20 | 4.7 | ||||
| 8 | 10 | KGR08-10 | 15.2 | 41 | 20 | 18.5 | 26.1 | 18.0 | 4.0 |
| 12 | KGR08-12 | 42 | 4.6 | ||||||
| 10 | 12 | KGR10-12 | 18.5 | 44.5 | 23 | 21 | 41.5 | 32.8 | 33 |
| 16 | KGR10-16 | 20.9 | 50.5 | 25.5 | (29.5) | 42 | |||
| 12 | 16 | KGR12-16 | 20.9 | 50.5 | 25.5 | 22 | 58.3 | (46.1) | 37 |
Note 1) øD is the maximum diameter.
Note 2) Dimension inside "( )" is for soft nylon
One-Touch Fitting Stainless Steel KG Series Common Specifications (Reference)
Structure

KG Series structure
Applicable Tubing
| Tube materials | FEP, PFA, nylon, soft nylonNote 1), polyurethane |
|---|---|
| Tube outer diameter | ø4, ø6, ø8, ø10, ø12, ø16 |
Note 1) For soft nylon tube, water cannot be used.
Specifications
| Usable fluids | Air, waterNote 2) | |
|---|---|---|
| Operating pressure rangeNote 3) | -100 kPa to 1 MPa | |
| Proof pressure | 3 MPa | |
| Ambient and fluid temperature | -5 to 60°C, if water is used then 0 to 40°C (no freezing) | |
| Thread | Mounting section | JIS B 0203 (taper thread for piping) JIS B 0205 (metric coarse thread) |
| Nut part | JIS B 0205 (metric fine thread) | |
| Thread sealant | With sealantNote 4)Or, without sealants | |
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) Add the suffix "S" to the part number if w/ seal is desired.
Principle Part Materials
| Body | SUS303, PBT |
|---|---|
| Stud | SUS303 (thread portion) |
| Chuck | SUS304 |
| Guide | SUS304, SUS303, PBT |
| Collet, release button | POM |
| Seal, O-ring | NBR |
| Gasket | SUS304/NBR |