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SMC quick-connect fitting.
[Features]
・ Improved tube insertion and removal
・ Compact and weight reduced
・ Vacuum from -100 kPa can be used
・ Thread section material / surface treatment (Yes or no): Class 2
・ Selectable surface treatment: Brass (without plating), brass + electroless nickel plating
[Applications]
・ Used for branch piping in the same direction and 90 degree direction from the female thread section
[Please click here for the catalog]
・ Applicable metric tube outer diameter, connection thread "R" release bushing, oval (P.21) perfect circle (P.122)
・ Applicable tube imperial outer diameter, connection thread "NPT" release bushing, oval (P.44) perfect circle (P.150)
・ Applicable tube imperial outer diameter, connection thread "R" release bushing, oval (P.53) perfect circle (P.161)
* Made-to-order / clean series P.27, 48, 55, 131, 156, 163
Part Number
Configured Part Number is shown.

Male Run Tee KQ2Y (Sealant) outline drawing
(Units: mm)
| Applicable tube outer diameter mm | Connection thread R | Model | H (width across flats) | øD1 | Release Button Dimensions | øD2 | L1 | L2 | L3 | A * | M | Effective area mm2 | Minimum hole diameter | Weight g | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| X | Y | Nylon | Urethane | |||||||||||||
| ø3.2 | 1/8 | KQ2Y23-01□S1 | 10 | 7.1 | 6.7 | 9.5 | 10 | 14.9 | 16.6 | 14.9 | 28.5 | 13.3 | 3.4 | 2.9 | 2.5 | 5.3 |
| 1/4 | KQ2Y23-02□S1 | 14 | 7.1 | 6.7 | 9.5 | 10 | 14.9 | 21.1 | 14.9 | 31.4 | 13.3 | 3.4 | 2.9 | 2.5 | 14.7 | |
| ø4 | 1/8 | KQ2Y04-01□S1 | 10 | 8.2 | 7.7 | 10 | 10 | 15.3 | 16.2 | 15.3 | 28.4 | 13.3 | 6.4 | 4.4 | 3 | 5.6 |
| 1/4 | KQ2Y04-02□S1 | 14 | 8.2 | 7.7 | 10 | 10 | 15.3 | 21.7 | 15.3 | 32.3 | 13.3 | 6.4 | 4.4 | 3 | 15 | |
| ø6 | 1/8 | KQ2Y06-01□S1 | 10 | 10.4 | 9.7 | 12 | 10 | 16.3 | 17.3 | 16.3 | 30.5 | 13.3 | 13.4 | 10.6 | 4.5 | 6.2 |
| 1/4 | KQ2Y06-02□S1 | 14 | 10.4 | 9.7 | 12 | 10 | 16.3 | 22.8 | 16.3 | 34.4 | 13.3 | 13.4 | 10.6 | 4.5 | 15.8 | |
| 3/8 | KQ2Y06-03□S1 | 17 | 10.4 | 9.7 | 12 | 10 | 16.3 | 24.1 | 16.3 | 35.3 | 13.3 | 13.4 | 10.6 | 4.5 | 27.5 | |
□: A (Brass), N (Brass + electroless nickel plating)

One-Touch Fitting KQ2 Series (Metric Size) Structural Drawing
| Tube materials | FEP, PFA, nylon, soft nylon, polyurethane |
|---|---|
| Tube outer diameter | ø3.2, ø4, ø6 |
| Usable fluids | Air, water Note 1: | |
|---|---|---|
| Operating pressure range Note 2: | -100 kPa to 1 MPa | |
| Guaranteed proof pressure (at 23°C) | 3 MPa | |
| Ambient temperature and fluid temperature | -5 to 60°C, For water: 0 to 40°C (no freezing) | |
| Thread | Mounting section | JIS B0203 (tapered pipe thread) JIS B0205 (metric coarse thread) |
| Nut section | JIS B0205 (metric fine thread) | |
| Thread part seal | Sealing agent included | |
Note 1: The surge pressure must be under the maximum operating pressure.
Note 2: Do not use the fittings with a leak tester or for vacuum retention because they are not guaranteed for zero leakage.
| Body | C3604, PBT, PP, SUS303 |
|---|---|
| Stud | C3604 (thread part), SUS303 (thread part) |
| Chuck | SUS304 |
| Guide | SUS304 |
| 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 | Thread Material | Application | Applicable Tube O.D.1 (φ) | Types of connection | Connection screw | Number of Connection Tubes (piece) | Color | Specifications | Release button shape | Release button color | Custom-made specifications |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 27.57 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303 | [SUS303, SUS304] SUS303, SUS304 | Clean circumstance | - | - | - | - | - | - | - | - | - | ||
MYR 25.44 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303 | [SUS303, SUS304] SUS303, SUS304 | Clean circumstance | - | - | - | - | - | - | - | - | - | ||
MYR 26.18 | 10 Piece(s) | 17 Day(s) or more | [SUS303, SUS304] SUS303 | [SUS303, SUS304] SUS303, SUS304 | Clean circumstance | - | - | - | - | - | - | - | - | - | ||
MYR 30.44 | 10 Piece(s) | 17 Day(s) or more | [SUS303, SUS304] SUS303 | [SUS303, SUS304] SUS303, SUS304 | Clean circumstance | - | - | - | - | - | - | - | - | - | ||
MYR 46.95 | 5 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303 | [SUS303, SUS304] SUS303, SUS304 | Clean circumstance | - | - | - | - | - | - | - | - | - | ||
MYR 19.26 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 18.95 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 19.64 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 19.64 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 20.01 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303, SUS304 | [Standard (Brass)] Brass | Standard/Mini | - | - | - | - | - | - | - | - | Body color change (Black) | ||
MYR 19.64 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 19.64 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 20.44 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 20.44 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/16 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 18.56 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 18.82 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 19.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 19.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 19.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 19.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 26.48 | 10 Piece(s) | 21 Day(s) | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 20.31 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/8 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 20.12 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/4 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 21.32 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/4 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 21.32 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 1/8 | NPT | 1/4 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 21.44 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303, SUS304 | [Standard (Brass)] Brass | Standard/Mini | - | - | - | - | - | - | - | - | Body color change (Black) | ||
MYR 22.76 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/4 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
- | 10 Piece(s) | Quote | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/4 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 27.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 1/8 | NPT | 1/4 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 18.56 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 18.95 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 19.88 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 19.65 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 18.95 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 19.65 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 20.44 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 20.44 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/16 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 18.56 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/8 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 18.83 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/8 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 19.52 | 10 Piece(s) | 10 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/8 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 19.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/8 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 20.01 | 10 Piece(s) | 10 Day(s) or more | [SUS303, SUS304] SUS303, SUS304 | [Standard (Brass)] Brass | Standard/Mini | - | - | - | - | - | - | - | - | Body color change (Black) | ||
MYR 19.33 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303 | [SUS303, SUS304] SUS303, SUS304 | Standard/Mini | - | - | - | - | - | - | - | - | - | ||
MYR 19.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/8 | 2 | White | Without sealing agent | Ellipse | Orange | N/A | ||
MYR 20.31 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/8 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 20.31 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/8 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 20.12 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/4 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 21.37 | 10 Piece(s) | 10 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/4 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 21.37 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 5/32 | NPT | 1/4 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 21.37 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303, SUS304 | [Standard (Brass)] Brass | Standard/Mini | - | - | - | - | - | - | - | - | Body color change (Black) | ||
MYR 22.07 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/4 | 2 | White | Without sealing agent | Perfect circle | Orange | N/A | ||
MYR 23.45 | 10 Piece(s) | 10 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/4 | 2 | White | With sealing agent | Perfect circle | Orange | N/A | ||
MYR 27.52 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass (Electroless nickel plating) | [Standard (Brass)] Brass (Electroless nickel plating) | Standard/Mini | 5/32 | NPT | 1/4 | 2 | White | With sealing agent | Ellipse | Orange | N/A | ||
MYR 17.88 | 10 Piece(s) | 10 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 4 | R | 1/8 | 2 | White | Without sealing agent | Perfect circle | Light Gray | N/A | ||
MYR 17.38 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 4 | R | 1/8 | 2 | White | Without sealing agent | Ellipse | Light Gray | N/A | ||
MYR 17.38 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303, SUS304 | [Standard (Brass)] Brass | Standard/Mini | - | - | - | - | - | - | - | - | Body color change (Black) | ||
MYR 17.82 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 4 | R | 1/8 | 2 | Black | Without sealing agent | Perfect circle | Light Gray | Body color change (black) | ||
MYR 16.20 | 10 Piece(s) | 43 Day(s) | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 4 | R | 1/8 | 2 | White | With sealing agent | Perfect circle | Light Gray | N/A | ||
MYR 18.08 | 10 Piece(s) | 13 Day(s) or more | [Brass] PBT + Brass | [Standard (Brass)] Brass | Standard/Mini | 4 | R | 1/8 | 2 | White | With sealing agent | Ellipse | Light Gray | N/A | ||
MYR 18.08 | 10 Piece(s) | 13 Day(s) or more | [SUS303, SUS304] SUS303, SUS304 | [Standard (Brass)] Brass | Standard/Mini | - | - | - | - | - | - | - | - | Body color change (Black) |
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| Fitting Type | Screw Mount Branch | Applicable Fluid | Water / Air | Types | Single-Action / Screw |
|---|---|---|---|---|---|
| Screw Mounting, Multipoint | Service Tee Union | Packing, Material of O-Ring | NBR | Operating Temperature(°C) | -5::60 |
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