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SMC One-Touch fitting.
[Features]
· Stainless steel specifications for use in corrosive environments.
· SUS303 is used for metal parts.
· Suitable for use in CRT production lines where contact with copper must be avoided, as well as for cleaning food processing machines where water or salt water splashes. Also, suitable for use inside clean rooms where discoloration of copper materials and dust caused by corrosion must be avoided.
[Applications]
· Used to connect tubes in the same direction, reducing the size of tubes.

Different Diameter Union "Y": KGU outline drawing
| Applicable tubing outer diameter (mm) | Model | øD1Note) | øD2Note) | L1 | L2 | P | Q | M1 | M2 | Effective cross-sectional area (mm2) | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (a) | (b) | Nylon | Urethane | ||||||||||
| 4 | 6 | KGU04-06 | 10.4 | 12.8 | 35 | 18 | 10.4 | 9.7 | 16 | 17 | 4.2 | 4.2 | 6 |
| 6 | 8 | KGU06-08 | 12.8 | 15.2 | 39.5 | 20 | 12.8 | 11.7 | 17 | 18.5 | 13.4 | 10.6 | 11 |
| 8 | 10 | KGU08-10 | 15.2 | 18.5 | 45 | 24.5 | 15.2 | 13.7 | 18.5 | 21 | 25.6 | 17.7 | 18 |
| 10 | 12 | KGU10-12 | 18.5 | 20.9 | 49 | 27.5 | 18.5 | 16.1 | 21 | 22 | 40 | 28.4 | 27 |
Note) øD1 and øD2 are the maximum diameters.

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 | Union, Unequal Dia. | Packing, Material of O-Ring | Applicable Tube O.D.1 (φ) | Applicable Tube Outer Diameter 2 (φ) | Number of Connection Tubes (piece) | Color | Specifications | Release button color | Custom-made specifications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 61.90 | 1 Piece(s) | 3 Day(s) | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 4 | 6 | 3 | White | ISO Class:6 | White | N/A | ||
MYR 110.20 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 4 | 6 | 3 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 4 | 6 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 116.28 | 10 Piece(s) | 13 Day(s) or more | [Brass] C3604 | [Unequal Dia. Union Y] Reducing Union Wye | [Fluororubber] Fluorine Rubber | - | - | - | - | ISO class: 6 | - | Changed to rubber material | ||
MYR 119.52 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 4 | 6 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | ||
MYR 114.84 | 2 Piece(s) | 13 Day(s) or more | [Brass] C3604 | [Unequal Dia. Union Y] Reducing Union Wye | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | ISO class: 6 | - | - | ||
MYR 82.80 | 1 Piece(s) | 43 Day(s) | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 6 | 8 | 3 | White | ISO Class:6 | White | N/A | ||
MYR 147.28 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 6 | 8 | 3 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | 8 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 153.78 | 2 Piece(s) | 13 Day(s) or more | [Brass] C3604 | [Unequal Dia. Union Y] Reducing Union Wye | [Fluororubber] Fluorine Rubber | - | - | - | - | ISO class: 6 | - | Changed to rubber material | ||
MYR 156.73 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 6 | 8 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | ||
MYR 152.42 | 2 Piece(s) | 13 Day(s) or more | [Brass] C3604 | [Unequal Dia. Union Y] Reducing Union Wye | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | ISO class: 6 | - | - | ||
MYR 161.16 | 2 Piece(s) | 5 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 8 | 10 | 3 | White | ISO Class:6 | White | N/A | ||
MYR 161.16 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 8 | 10 | 3 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 8 | 10 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 167.65 | 2 Piece(s) | 13 Day(s) or more | [Brass] C3604 | [Unequal Dia. Union Y] Reducing Union Wye | [Fluororubber] Fluorine Rubber | - | 10 | - | - | ISO class: 6 | - | Changed to rubber material | ||
MYR 170.40 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 8 | 10 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | ||
MYR 178.67 | 2 Piece(s) | 5 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 10 | 12 | 3 | White | ISO Class:6 | White | N/A | ||
MYR 179.28 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR | 10 | 12 | 3 | White | ISO Class:6 | White | Lubricant:white petroleum jelly, release push color changeリリースブッシュ色変更 | ||
- | 2 Piece(s) | Quote | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 10 | 12 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material・release push color change | ||
MYR 189.34 | 2 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303+PBT | [Unequal Dia. Union Y] Reducing Union Wye | [Standard (NBR Nitrile Rubber )] NBR (fluorine coated) | 10 | 12 | 3 | White | ISO Class:6 | Light Blue | Non-grease specification, rubber material / release bush color change, steel-based non-specification (with electroless nickel plating) Clean specification (air blow, double packaging) | ||
MYR 187.98 | 10 Piece(s) | 13 Day(s) or more | [Brass] C3604 | [Unequal Dia. Union Y] Reducing Union Wye | [Fluororubber] Special FKM (Fluorine Coating) | - | - | - | - | ISO class: 6 | - | - |
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| Fitting Type | Union with different diameters | Applicable Fluid | Water / Air | Types | Single-Action |
|---|---|---|---|---|---|
| Application | Clean circumstance / Foods・Drug-Related | Operating Temperature(°C) | -5::60 |
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