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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 connecting tubes of different sizes

Different Diameter Straight: KGH outline drawing
| Applicable tubing outer diameter (mm) | Model | øDNote) | L | M1 | M2 | Effective cross-sectional area (mm2) | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|
| (a) | (b) | Nylon | Urethane | ||||||
| 4 | 6 | KGH04-06 | 12.8 | 34.5 | 16 | 17 | 5.6 | 4 | 5 |
| 6 | 8 | KGH06-08 | 15.2 | 38.5 | 17 | 18.5 | 13.1 | 10.4 | 6 |
| 8 | 10 | KGH08-10 | 18.5 | 42 | 18.5 | 21 | 26.1 | 18.0 | 11 |
| 10 | 12 | KGH10-12 | 20.9 | 44.5 | 21 | 22 | 41.5 | 29.5 | 14 |
Note) øD is the maximum diameter.

KG Series structure
| 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.
| 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.
| Body | SUS303, PBT |
|---|---|
| Stud | SUS303 (thread portion) |
| Chuck | SUS304 |
| Guide | SUS304, SUS303, PBT |
| Collet, release button | POM |
| Seal, O-ring | NBR |
| Gasket | SUS304/NBR |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Body Material | Packing, Material of O-Ring | Applicable Tube O.D.1 (φ) | Applicable Tube Outer Diameter 2 (φ) | Number of Connection Tubes (piece) | Specifications | Release button color | Custom-made specifications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 51.60 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 4 | 6 | 2 | ISO Class:6 | White | N/A | ||
MYR 92.15 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 4 | 6 | 2 | ISO Class:6 | White | Lubricant: white petroleum jelly, release bushing color change | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 4 | 6 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
- | 2 Piece(s) | Quote | [Brass] PBT + Brass | [Fluororubber] Fluorine Rubber | - | - | - | ISO class: 6 | - | Changed to rubber material | ||
MYR 101.46 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 4 | 6 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, clean specification (copper-based non-specification, air blow, double packaging, resin body: white) | ||
MYR 96.21 | 2 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | ISO class: 6 | - | - | ||
MYR 55.10 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 6 | 8 | 2 | ISO Class:6 | White | N/A | ||
MYR 98.59 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 6 | 8 | 2 | ISO Class:6 | White | Lubricant: white petroleum jelly, release bushing color change | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | 8 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 105.08 | 2 Piece(s) | 17 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Fluororubber] Fluorine Rubber | 6 | 8 | 2 | ISO class: 6 | White | Changed to rubber material | ||
MYR 107.21 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | 8 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, clean specification (copper-based non-specification, air blow, double packaging, resin body: white) | ||
MYR 105.71 | 2 Piece(s) | 5 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 8 | 10 | 2 | ISO Class:6 | White | N/A | ||
MYR 124.40 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 8 | 10 | 2 | ISO Class:6 | White | Lubricant: white petroleum jelly, release bushing color change | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 8 | 10 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 133.72 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 8 | 10 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, clean specification (copper-based non-specification, air blow, double packaging, resin body: white) | ||
MYR 130.10 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Fluororubber] Special FKM (Fluorine Coating) | 8 | 10 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 82.20 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 10 | 12 | 2 | ISO Class:6 | White | N/A | ||
MYR 146.66 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR | 10 | 12 | 2 | ISO Class:6 | White | Lubricant: white petroleum jelly, release bushing color change | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 10 | 12 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 153.96 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Fluororubber] Fluorine Rubber | - | - | - | ISO class: 6 | - | Changed to rubber material | ||
MYR 156.78 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 10 | 12 | 2 | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, clean specification (copper-based non-specification, air blow, double packaging, resin body: white) |
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| Fitting Type | Union with different diameters | Applicable Fluid | Water / Air | Types | Single-Action |
|---|---|---|---|---|---|
| Union, Unequal Dia. | Reducing Straight | Application | Clean circumstance / Foods・Drug-Related | Operating Temperature(°C) | -5::60 |
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