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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]
· Basically same applications as the Male Elbow.
· Use to avoid the disruption of an extra fitting where there is a difference in piping positions.
Part Number
Configured Part Number is shown.

Extended Male Elbow: KQB2W 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 | KQB2W23-M5 | 8 | 8.3 | 13.1 | 31.2 | 32.4 | 12 | 2.8 | 13.5 |
| 1/8 | KQB2W23-01S | 10 | 13.6 | 31.3 | 32.3 | 15.3 | ||||
| 1/4 | KQB2W23-02S | 14 | 35.1 | 34.5 | 34.7 | |||||
| ø4 | M5 × 0.8 | KQB2W04-M5 | 8 | 9.1 | 13.7 | 31.6 | 33.2 | 12.6 | 3 | 14.1 |
| 1/8 | KQB2W04-01S | 10 | 14.4 | 31.7 | 33.1 | 4 | 16.2 | |||
| 1/4 | KQB2W04-02S | 14 | 35.5 | 35.3 | 35.6 | |||||
| ø6 | M5 × 0.8 | KQB2W06-M5 | 8 | 11.4 | 14.7 | 32.7 | 35.4 | 13.6 | 3 | 16 |
| 1/8 | KQB2W06-01S | 10 | 15.9 | 32.8 | 10.9 | 17.8 | ||||
| 1/4 | KQB2W06-02S | 14 | 36.6 | 37.6 | 37.2 | |||||
| 3/8 | KQB2W06-03S | 17 | 38 | 38.6 | 60.3 | |||||
| ø8 | 1/8 | KQB2W08-01S | 12 | 13.7 | 18.6 | 37 | 40.7 | 16.1 | 20.5 | 28.9 |
| 1/4 | KQB2W08-02S | 14 | 19.1 | 40.2 | 42.3 | 39.2 | ||||
| 3/8 | KQB2W08-03S | 17 | 41.6 | 43.3 | 63.7 | |||||
| ø10 | 1/4 | KQB2W10-02S | 14 | 16.6 | 21 | 46.6 | 50.2 | 17 | 33.5 | 42.1 |
| 3/8 | KQB2W10-03S | 17 | 45.9 | 49.1 | 64.5 | |||||
| 1/2 | KQB2W10-04S | 22 | 50.1 | 52 | 123 | |||||
| ø12 | 1/4 | KQB2W12-02S | 14 | 18.7 | 22.6 | 47.7 | 52.3 | 18.6 | 47.7 | 46 |
| 3/8 | KQB2W12-03S | 17 | 23.6 | 49 | 53.2 | 58.2 | ||||
| 1/2 | KQB2W12-04S | 22 | 53.2 | 56.1 | 118 | |||||
| ø16 | 3/8 | KQB2W16-03S | 19 | 24.6 | 26.3 | 57.6 | 64.1 | 20.8 | 71 | 89.6 |
| 1/2 | KQB2W16-04S | 22 | 27.3 | 61.4 | 66.6 | 100 | 116 |
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 45.13 | 10 Piece(s) | 13 Day(s) or more | 1/8 | NPT | 1/8 | ||
MYR 52.19 | 10 Piece(s) | 13 Day(s) or more | 1/8 | NPT | 1/4 | ||
MYR 37.26 | 10 Piece(s) | 13 Day(s) or more | 5/32 | NPT | 1/8 | ||
MYR 44.07 | 10 Piece(s) | 13 Day(s) or more | 5/32 | NPT | 1/4 | ||
MYR 34.26 | 10 Piece(s) | 10 Day(s) or more | 4 | R | 1/8 | ||
MYR 38.42 | 1 Piece(s) | 21 Day(s) | 4 | R | 1/4 | ||
MYR 39.25 | 10 Piece(s) | 13 Day(s) or more | 4 | G | 1/8 | ||
MYR 48.38 | 10 Piece(s) | 13 Day(s) or more | 4 | G | 1/4 | ||
MYR 32.01 | 10 Piece(s) | 10 Day(s) or more | 4 | M | 5×0.8 | ||
MYR 34.32 | 1 Piece(s) | 5 Day(s) or more | 6 | R | 1/8 | ||
MYR 39.32 | 10 Piece(s) | 10 Day(s) or more | 6 | R | 1/4 | ||
MYR 48.75 | 10 Piece(s) | 13 Day(s) or more | 6 | R | 3/8 | ||
MYR 39.31 | 10 Piece(s) | 10 Day(s) or more | 6 | G | 1/8 | ||
MYR 48.44 | 10 Piece(s) | 13 Day(s) or more | 6 | G | 1/4 | ||
- | 10 Piece(s) | Quote | 6 | G | 3/8 | ||
MYR 35.40 | 1 Piece(s) | 3 Day(s) | 6 | M | 5×0.8 | ||
- | 10 Piece(s) | Quote | 1/4 | NPT | 1/8 | ||
MYR 45.30 | 1 Piece(s) | 3 Day(s) | 1/4 | NPT | 1/4 | ||
MYR 59.00 | 10 Piece(s) | 13 Day(s) or more | 1/4 | NPT | 3/8 | ||
MYR 42.87 | 1 Piece(s) | 5 Day(s) or more | 8 | R | 1/8 | ||
MYR 46.07 | 1 Piece(s) | 5 Day(s) or more | 8 | R | 1/4 | ||
MYR 61.76 | 10 Piece(s) | 10 Day(s) or more | 8 | R | 3/8 | ||
MYR 52.38 | 10 Piece(s) | 13 Day(s) or more | 8 | G | 1/8 | ||
MYR 62.20 | 10 Piece(s) | 10 Day(s) or more | 8 | G | 1/4 | ||
MYR 60.53 | 1 Piece(s) | 5 Day(s) or more | 8 | G | 3/8 | ||
MYR 52.00 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 1/8 | ||
MYR 54.51 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 1/4 | ||
MYR 62.68 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 3/8 | ||
MYR 58.33 | 1 Piece(s) | 5 Day(s) or more | 10 | R | 1/4 | ||
MYR 71.82 | 10 Piece(s) | 10 Day(s) or more | 10 | R | 3/8 | ||
MYR 87.56 | 10 Piece(s) | 13 Day(s) or more | 10 | R | 1/2 | ||
MYR 75.39 | 10 Piece(s) | 10 Day(s) or more | 10 | G | 1/4 | ||
MYR 80.13 | 10 Piece(s) | 13 Day(s) or more | 10 | G | 3/8 | ||
MYR 97.36 | 10 Piece(s) | 13 Day(s) or more | 10 | G | 1/2 | ||
MYR 77.26 | 10 Piece(s) | 13 Day(s) or more | 3/8 | NPT | 1/4 | ||
MYR 83.43 | 1 Piece(s) | 21 Day(s) | 3/8 | NPT | 3/8 | ||
MYR 99.06 | 10 Piece(s) | 13 Day(s) or more | 3/8 | NPT | 1/2 | ||
MYR 79.45 | 10 Piece(s) | 21 Day(s) | 12 | R | 1/4 | ||
MYR 83.81 | 10 Piece(s) | 10 Day(s) or more | 12 | R | 3/8 | ||
MYR 94.51 | 10 Piece(s) | 13 Day(s) or more | 12 | R | 1/2 | ||
MYR 88.28 | 1 Piece(s) | 21 Day(s) | 12 | G | 1/4 | ||
MYR 97.19 | 10 Piece(s) | 10 Day(s) or more | 12 | G | 3/8 | ||
MYR 114.44 | 10 Piece(s) | 13 Day(s) or more | 12 | G | 1/2 | ||
MYR 106.50 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 1/4 | ||
MYR 98.44 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 3/8 | ||
MYR 107.00 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 1/2 | ||
MYR 160.20 | 10 Piece(s) | 13 Day(s) or more | 16 | R | 3/8 | ||
MYR 165.45 | 10 Piece(s) | 13 Day(s) or more | 16 | R | 1/2 | ||
MYR 161.81 | 10 Piece(s) | 13 Day(s) or more | 16 | G | 3/8 | ||
MYR 172.86 | 10 Piece(s) | 13 Day(s) or more | 16 | G | 1/2 | ||
MYR 42.08 | 10 Piece(s) | 13 Day(s) or more | 3.2 | R | 1/8 | ||
MYR 47.08 | 10 Piece(s) | 13 Day(s) or more | 3.2 | R | 1/4 | ||
MYR 42.76 | 10 Piece(s) | 13 Day(s) or more | 3.2 | M | 5×0.8 |
Loading...
| Fitting Type | Screw Mount Direction | Applicable Fluid | Water / Air | Screw Mounting, Direction | Elbow |
|---|---|---|---|---|---|
| Body Material | SUS304 | Types | Single-Action / Screw | Elbows | Long Elbows |
| Thread Material | C3604 (Electroless nickel plating) | Application | Standard/Mini | Packing, Material of O-Ring | Special FKM (Fluorine Coating) |
| Operating Temperature(°C) | -5::150 | Number of Connection Tubes(piece) | 1 |
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