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SMC One-Touch fitting.
[Features]
· Compact and lightweight.
· Grease-free.
· Fluid temperature: -5 to 150°C.
· Brass parts: Electroless nickel plated.
[Applications]
· Use to branch line from female thread in both 90° directions.
Part Number
Configured Part Number is shown.

Male Branch Tee: KQB2T outline drawings
(Unit: mm)
| Applicable tubing Outer diameter (mm) | Connection thread R, M | Model | H (width across flats) | øDNote 1) | L1 | L2 | A* | M | Effective cross-sectional areaNote 2) (mm2) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|
| ø3.2 | M5 × 0.8 | KQB2T23-M5 | 8 | 8.3 | 13.1 | 14.8 | 16 | 12 | 3.2 | 8.2 |
| 1/8 | KQB2T23-01S | 10 | 13.6 | 14.9 | 15.9 | 3.4 | 9.6 | |||
| 1/4 | KQB2T23-02S | 14 | 18.7 | 18.1 | 18.4 | |||||
| ø4 | M5 × 0.8 | KQB2T04-M5 | 8 | 9.1 | 13.7 | 15.2 | 16.8 | 12.6 | 4.5 | 9.1 |
| 1/8 | KQB2T04-01S | 10 | 14.4 | 15.3 | 16.7 | 6 | 10.6 | |||
| 1/4 | KQB2T04-02S | 14 | 19.1 | 18.9 | 19.4 | |||||
| ø6 | M5 × 0.8 | KQB2T06-M5 | 8 | 11.4 | 14.7 | 16.3 | 19 | 13.6 | 4.5 | 12.1 |
| 1/8 | KQB2T06-01S | 10 | 15.9 | 16.4 | 13.9 | 13.6 | ||||
| 1/4 | KQB2T06-02S | 14 | 20.2 | 21.2 | 22.5 | |||||
| 3/8 | KQB2T06-03S | 17 | 21.6 | 22.2 | 35 | |||||
| ø8 | 1/8 | KQB2T08-01S | 12 | 13.7 | 18.6 | 18.3 | 22 | 16.1 | 26.3 | 20 |
| 1/4 | KQB2T08-02S | 14 | 19.1 | 21.5 | 23.6 | 26.1 | ||||
| 3/8 | KQB2T08-03S | 17 | 22.9 | 24.6 | 38 | |||||
| ø10 | 1/8 | KQB2T10-01S | 12 | 16.6 | 20 | 19.7 | 24.9 | 17 | 40.8 | 28.6 |
| 1/4 | KQB2T10-02S | 14 | 21 | 22.9 | 26.5 | 31.5 | ||||
| 3/8 | KQB2T10-03S | 17 | 24.3 | 27.5 | 42.4 | |||||
| 1/2 | KQB2T10-04S | 22 | 28.5 | 30.4 | 70.4 | |||||
| ø12 | 1/4 | KQB2T12-02S | 14 | 18.7 | 22.6 | 24 | 28.6 | 18.6 | 57.2 | 38.1 |
| 3/8 | KQB2T12-03S | 17 | 23.6 | 25.3 | 29.5 | 39.7 | ||||
| 1/2 | KQB2T12-04S | 22 | 29.5 | 32.4 | 70.8 | |||||
| ø16 | 3/8 | KQB2T16-03S | 19 | 24.6 | 26.3 | 28 | 34.5 | 20.8 | 71 | 64.4 |
| 1/2 | KQB2T16-04S | 22 | 27.3 | 31.8 | 37 | 100 | 79 |
Note 1) øD is the maximum diameter.
Note 2) Value of FEP tubing.
Value of nylon tubing for ø16 only.
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)

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) |
| Tube materials | FEP / PFA / Nylon / Soft Nylon / Polyurethane / Polyolefin |
|---|---|
| Tube outer diameter | ø3.2, ø4, ø6, ø8, ø10, ø12, ø16 |
| 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)
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Tube O.D.1 (φ) | Types of connection | Connection screw |
|---|---|---|---|---|---|---|---|
MYR 79.14 | 10 Piece(s) | 13 Day(s) or more | 1/8 | UNF | 10-32 | ||
MYR 67.02 | 10 Piece(s) | 10 Day(s) or more | 1/8 | NPT | 1/8 | ||
MYR 69.51 | 10 Piece(s) | 13 Day(s) or more | 1/8 | NPT | 1/4 | ||
MYR 59.08 | 10 Piece(s) | 13 Day(s) or more | 5/32 | UNF | 10-32 | ||
MYR 71.33 | 10 Piece(s) | 13 Day(s) or more | 5/32 | NPT | 1/8 | ||
MYR 74.57 | 10 Piece(s) | 13 Day(s) or more | 5/32 | NPT | 1/4 | ||
MYR 61.27 | 1 Piece(s) | 10 Day(s) or more | 4 | R | 1/8 | ||
MYR 63.71 | 10 Piece(s) | 10 Day(s) or more | 4 | R | 1/4 | ||
MYR 67.26 | 10 Piece(s) | 13 Day(s) or more | 4 | G | 1/8 | ||
MYR 72.20 | 10 Piece(s) | 13 Day(s) or more | 4 | G | 1/4 | ||
MYR 58.33 | 10 Piece(s) | 10 Day(s) or more | 4 | M | 5×0.8 | ||
MYR 56.23 | 1 Piece(s) | 5 Day(s) or more | 6 | R | 1/8 | ||
MYR 63.83 | 1 Piece(s) | 5 Day(s) or more | 6 | R | 1/4 | ||
MYR 68.58 | 10 Piece(s) | 13 Day(s) or more | 6 | R | 3/8 | ||
MYR 67.39 | 10 Piece(s) | 10 Day(s) or more | 6 | G | 1/8 | ||
MYR 74.60 | 10 Piece(s) | 21 Day(s) | 6 | G | 1/4 | ||
MYR 78.02 | 10 Piece(s) | 13 Day(s) or more | 6 | G | 3/8 | ||
MYR 81.22 | 10 Piece(s) | 21 Day(s) | 6 | M | 5×0.8 | ||
MYR 129.41 | 10 Piece(s) | 13 Day(s) or more | 1/4 | UNF | 10-32 | ||
MYR 66.01 | 1 Piece(s) | 5 Day(s) or more | 1/4 | NPT | 1/8 | ||
MYR 76.08 | 10 Piece(s) | 10 Day(s) or more | 1/4 | NPT | 1/4 | ||
MYR 77.96 | 10 Piece(s) | 13 Day(s) or more | 1/4 | NPT | 3/8 | ||
MYR 93.64 | 1 Piece(s) | 5 Day(s) or more | 8 | R | 1/8 | ||
MYR 94.35 | 1 Piece(s) | 5 Day(s) or more | 8 | R | 1/4 | ||
MYR 98.43 | 1 Piece(s) | 5 Day(s) or more | 8 | R | 3/8 | ||
MYR 111.70 | 10 Piece(s) | 21 Day(s) | 8 | G | 1/8 | ||
MYR 113.27 | 10 Piece(s) | 10 Day(s) or more | 8 | G | 1/4 | ||
MYR 118.96 | 10 Piece(s) | 13 Day(s) or more | 8 | G | 3/8 | ||
MYR 104.70 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 1/8 | ||
MYR 105.63 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 1/4 | ||
MYR 108.90 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 3/8 | ||
MYR 156.53 | 10 Piece(s) | 10 Day(s) or more | 10 | R | 1/8 | ||
MYR 156.60 | 1 Piece(s) | 5 Day(s) or more | 10 | R | 1/4 | ||
MYR 140.76 | 1 Piece(s) | 5 Day(s) or more | 10 | R | 3/8 | ||
MYR 158.03 | 10 Piece(s) | 13 Day(s) or more | 10 | R | 1/2 | ||
MYR 162.52 | 10 Piece(s) | 13 Day(s) or more | 10 | G | 1/8 | ||
MYR 162.95 | 10 Piece(s) | 13 Day(s) or more | 10 | G | 1/4 | ||
MYR 163.58 | 10 Piece(s) | 13 Day(s) or more | 10 | G | 3/8 | ||
MYR 165.07 | 10 Piece(s) | 10 Day(s) or more | 10 | G | 1/2 | ||
MYR 171.59 | 10 Piece(s) | 13 Day(s) or more | 3/8 | NPT | 1/8 | ||
MYR 171.71 | 10 Piece(s) | 10 Day(s) or more | 3/8 | NPT | 1/4 | ||
MYR 172.14 | 10 Piece(s) | 13 Day(s) or more | 3/8 | NPT | 3/8 | ||
MYR 173.14 | 10 Piece(s) | 13 Day(s) or more | 3/8 | NPT | 1/2 | ||
MYR 179.09 | 1 Piece(s) | 5 Day(s) or more | 12 | R | 1/4 | ||
MYR 179.16 | 1 Piece(s) | 8 Day(s) or more | 12 | R | 3/8 | ||
MYR 161.94 | 1 Piece(s) | 5 Day(s) or more | 12 | R | 1/2 | ||
MYR 194.67 | 10 Piece(s) | 21 Day(s) | 12 | G | 1/4 | ||
MYR 194.67 | 10 Piece(s) | 21 Day(s) | 12 | G | 3/8 | ||
MYR 189.02 | 10 Piece(s) | 10 Day(s) or more | 12 | G | 1/2 | ||
MYR 205.73 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 1/4 | ||
MYR 205.98 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 3/8 | ||
MYR 206.91 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 1/2 | ||
MYR 262.48 | 10 Piece(s) | 13 Day(s) or more | 16 | R | 3/8 | ||
MYR 247.87 | 1 Piece(s) | 5 Day(s) or more | 16 | R | 1/2 | ||
MYR 272.42 | 10 Piece(s) | 13 Day(s) or more | 16 | G | 3/8 | ||
MYR 292.85 | 10 Piece(s) | 13 Day(s) or more | 16 | G | 1/2 | ||
MYR 61.10 | 1 Piece(s) | 43 Day(s) | 3.2 | R | 1/8 | ||
MYR 68.71 | 10 Piece(s) | 13 Day(s) or more | 3.2 | R | 1/4 | ||
MYR 72.80 | 1 Piece(s) | 3 Day(s) | 3.2 | M | 5×0.8 |
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| Fitting Type | Screw Mount Branch | Applicable Fluid | Water / Air | Body Material | SUS304 |
|---|---|---|---|---|---|
| Types | Single-Action / Screw | Thread Material | C3604 (Electroless nickel plating) | Screw Mounting, Multipoint | Double Port Tee Union |
| Application | Standard/Mini | Packing, Material of O-Ring | Special FKM (Fluorine Coating) | Operating Temperature(°C) | -5::150 |
| Number of Connection Tubes(piece) | 2 |
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