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SMC quick-connect fitting.
[Features]
· Compact, weight reduced.
· Lubrication-free.
· It can be used with steam.
・ Metal part: SUS316, seal part: Special FKM.
・ Operating fluid temperature: -5 to +150℃。
・ Compliant with the Food Sanitation Act of Japan. (Parts material compliant with instrument and container packaging standard test)
[Applications]
・ A half union for narrow spaces where the hex socket inside the body can be tightened with a hex key.
Part Number
Configured Part Number is shown.

Half Union Fitting With Hex Socket: KQG2S Outline Drawing (With M5)

Half Union Fitting With Hex Socket: KQG2S Outline Drawing (With R)
| Applicable tubing outer diameter (mm) | Connection thread: R, M | Model | H (width across flats) | øDNote 1) | L | A* | M | Effective cross-sectional area (mm2) Note 2) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|
| ø3.2 | M5 × 0.8 | KQG2S23-M5 | 2 | 9 | 16.5 | 13.5 | 12 | 3 | 3.8 |
| ø4 | M5 × 0.8 | KQG2S04-M5 | 2 | 9 | 17.1 | 14.1 | 12.6 | 4 | 3.7 |
| 1/8 | KQG2S04-01S | 3 | 10 | 19.6 | 16.5 | 4.1 | 7.6 | ||
| ø6 | M5 × 0.8 | KQG2S06-M5 | 2 | 12 | 19.6 | 16.6 | 13.6 | 4 | 7.4 |
| 1/8 | KQG2S06-01S | 4 | 20.6 | 17.5 | 10 | 8.7 | |||
| 1/4 | KQG2S06-02S | 14 | 15.9 | 10.7 | 14 | ||||
| ø8 | 1/8 | KQG2S08-01S | 5 | 14 | 24.7 | 21.6 | 16.1 | 17.2 | 12.3 |
| 1/4 | KQG2S08-02S | 6 | 22.9 | 18.2 | 23.3 | 12.8 | |||
| 3/8 | KQG2S08-03S | 17 | 23.1 | 18 | 22.8 | ||||
| ø10 | 1/8 | KQG2S10-01S | 5 | 17 | 25.6 | 22.5 | 17 | 17.2 | 17.7 |
| 1/4 | KQG2S10-02S | 8 | 27.5 | 22.8 | 39 | 19.1 | |||
| 3/8 | KQG2S10-03S | 24 | 18.9 | 20.9 | |||||
| 1/2 | KQG2S10-04S | 22 | 17.6 | 37.2 | |||||
| ø12 | 1/4 | KQG2S12-02S | 8 | 19 | 30.6 | 25.9 | 18.6 | 46 | 24.8 |
| 3/8 | KQG2S12-03S | 10 | 24.9 | 19.8 | 60 | 19.3 | |||
| 1/2 | KQG2S12-04S | 22 | 18.5 | 33.6 | |||||
| ø16 | 3/8 | KQG2S16-03S | 10 | 24.6 | 33.2 | 28.1 | 20.8 | 81 | 41.6 |
| 1/2 | KQG2S16-04S | 12 | 29.4 | 23 | 113 | 38.4 |
*Reference dimensions of R thread after installation
Note 1) øD is the maximum diameter.
Note 2) Value of FEP tubing. Value of nylon tubing for ø16 only.

Half Union Fitting With Hex Socket: KQG2S outline drawing (with 10-32UNF)

Half Union Fitting With Hex Socket: KQG2S Outline Drawing (With NPT)
| Applicable tubing outer diameter (inch) | Connection thread: UNF, NPT | Model | H (width across flats) | øDNote 1) | L | A* | M | Effective cross-sectional area (mm2) Note 2) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|
| ø1/8 " | 10-32UNF | KQG2S01-32 | 2 | 9 | 16.5 | 13.5 | 12 | 3 | 3.8 |
| ø5/32 " | 10-32UNF | KQG2S03-32 | 2 | 9 | 17.1 | 14.1 | 12.6 | 4 | 3.7 |
| 1/8 | KQG2S03-N01S | 2.78 | 11 | 19.6 | 16.4 | 4.1 | 8.5 | ||
| ø1/4 " | 10-32UNF | KQG2S07-32 | 2 | 12 | 19.5 | 16.5 | 13.5 | 4 | 7.2 |
| 1/8 | KQG2S07-N01S | 4.76 | 20.5 | 17.3 | 10 | 8.1 | |||
| 1/4 | KQG2S07-N02S | 14 | 16.1 | 10.7 | 13.4 | ||||
| 3/8 | KQG2S07-N03S | 18 | 15.8 | 22.6 | |||||
| ø5/16 " | 1/8 | KQG2S09-N01S | 5.56 | 14 | 24.7 | 21.5 | 16.1 | 17.2 | 12 |
| 1/4 | KQG2S09-N02S | 6.35 | 23.1 | 18.7 | 23.3 | 12.8 | |||
| 3/8 | KQG2S09-N03S | 18 | 18.4 | 23.5 | |||||
| ø3/8 " | 1/8 | KQG2S11-N01S | 5.56 | 17 | 25.2 | 22 | 16.6 | 17.2 | 17.8 |
| 1/4 | KQG2S11-N02S | 6.35 | 27.1 | 22.7 | 39 | 21.2 | |||
| 3/8 | KQG2S11-N03S | 18 | 23.6 | 18.9 | 23.8 | ||||
| 1/2 | KQG2S11-N04S | 22 | 17.2 | 38.6 | |||||
| ø1/2 " | 1/4 | KQG2S13-N02S | 8 | 20 | 30.5 | 26.1 | 18.5 | 46 | 26.6 |
| 3/8 | KQG2S13-N03S | 9.53 | 29.4 | 24.7 | 60 | 29 | |||
| 1/2 | KQG2S13-N04S | 22 | 25.5 | 19.1 | 34.8 |
*Reference NPT thread dimensions after installation
Note 1) øD is the maximum diameter.
Note 2) Value of FEP tubing.
Note 1) For soft nylon tube, water cannot be used.
| Usable fluids | Air, water, steamNote 2) Note 3) |
|---|---|
| Operating pressure rangeNote 4) | -100 kPa to 1 MPaNote 5) |
| Proof pressure | 3.0 MPa |
| Ambient temperature and operating fluid temperatureNote 6) | -5 to 150°C (no freezing)Note 5) |
| Lubricant | Grease-free finish |
| Seal (thread portion) | With sealant |
Note 2) Confirm applicable tube separately.
Note 3) Using special FKM that is resistant to steam.
Note 4) It is not completely airtight, so please avoid use in leak testers, etc., where a vacuum is maintained.
Note 5) Please confirm operating pressure range and operating temperature range.
Note 6) Please equip an inner sleeve for the following conditions. (ø3.2, ø1/8 "are excluded)
· When using with fluids or in environments that have extreme temperature changes.
· When using at a high temperature.
| Tube used | Temperature |
|---|---|
| FEP tube / TH series | 80°C or more |
| Super PFA tube / TL series | 120°C or more |

SUS316 One-Touch Pipe Fitting KQG2 Series Structural Drawing
| Number | Part Name | Material |
|---|---|---|
| 1 | Release button | SUS316 |
| 2 | Guide 1 | SUS316 |
| 3 | Guide 2 | SUS316 |
| 4 | Chuck | SUS316 |
| 5 | Seal | Special FKM (fluorine coated) |
| 6 | Male Connector body | SUS316 |
| 7 | Male Elbow body | SUS316 |
| 8 | O-ring | Special FKM (fluorine coated) |
| 9 | Stud | SUS316 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Applicable Tube O.D.1 (φ) | Types of connection | Connection screw | Specifications |
|---|---|---|---|---|---|---|---|---|
MYR 53.84 | 10 Piece(s) | 10 Day(s) or more | 1/8 | UNF | 10-32 | Without sealing agent | ||
MYR 54.58 | 10 Piece(s) | 10 Day(s) or more | 5/32 | UNF | 10-32 | Without sealing agent | ||
MYR 54.02 | 10 Piece(s) | 13 Day(s) or more | 5/32 | NPT | 1/8 | With sealing agent | ||
MYR 57.32 | 10 Piece(s) | 27 Day(s) or more | 4 | R | 1/8 | Without sealing agent | ||
MYR 54.90 | 1 Piece(s) | 3 Day(s) | 4 | R | 1/8 | With sealing agent | ||
MYR 55.70 | 1 Piece(s) | 3 Day(s) | 4 | M | 5×0.8 | Without sealing agent | ||
MYR 59.94 | 10 Piece(s) | 14 Day(s) or more | 6 | R | 1/8 | Without sealing agent | ||
MYR 58.67 | 1 Piece(s) | 5 Day(s) or more | 6 | R | 1/8 | With sealing agent | ||
MYR 68.52 | 10 Piece(s) | 14 Day(s) or more | 6 | R | 1/4 | Without sealing agent | ||
MYR 65.30 | 1 Piece(s) | 3 Day(s) | 6 | R | 1/4 | With sealing agent | ||
MYR 59.00 | 1 Piece(s) | 43 Day(s) | 6 | M | 5×0.8 | Without sealing agent | ||
MYR 59.00 | 1 Piece(s) | 3 Day(s) | 1/4 | UNF | 10-32 | Without sealing agent | ||
MYR 56.89 | 10 Piece(s) | 10 Day(s) or more | 1/4 | NPT | 1/8 | With sealing agent | ||
MYR 65.70 | 10 Piece(s) | 10 Day(s) or more | 1/4 | NPT | 1/4 | With sealing agent | ||
MYR 66.01 | 10 Piece(s) | 13 Day(s) or more | 1/4 | NPT | 3/8 | With sealing agent | ||
MYR 74.30 | 1 Piece(s) | 43 Day(s) | 8 | R | 1/8 | With sealing agent | ||
MYR 78.47 | 10 Piece(s) | 14 Day(s) or more | 8 | R | 1/4 | Without sealing agent | ||
MYR 74.30 | 1 Piece(s) | 3 Day(s) | 8 | R | 1/4 | With sealing agent | ||
MYR 124.05 | 10 Piece(s) | 21 Day(s) | 8 | R | 3/8 | Without sealing agent | ||
MYR 91.09 | 10 Piece(s) | 10 Day(s) or more | 8 | R | 3/8 | With sealing agent | ||
MYR 73.57 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 1/8 | With sealing agent | ||
MYR 73.57 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 1/4 | With sealing agent | ||
MYR 91.09 | 10 Piece(s) | 13 Day(s) or more | 5/16 | NPT | 3/8 | With sealing agent | ||
MYR 96.41 | 10 Piece(s) | 17 Day(s) or more | 10 | R | 1/8 | Without sealing agent | ||
MYR 81.54 | 1 Piece(s) | 5 Day(s) or more | 10 | R | 1/8 | With sealing agent | ||
MYR 124.05 | 1 Piece(s) | 21 Day(s) | 10 | R | 1/4 | Without sealing agent | ||
MYR 92.10 | 1 Piece(s) | 43 Day(s) | 10 | R | 1/4 | With sealing agent | ||
MYR 100.71 | 10 Piece(s) | 17 Day(s) or more | 10 | R | 3/8 | Without sealing agent | ||
MYR 96.10 | 1 Piece(s) | 43 Day(s) | 10 | R | 3/8 | With sealing agent | ||
MYR 117.40 | 10 Piece(s) | 10 Day(s) or more | 10 | R | 1/2 | With sealing agent | ||
MYR 90.90 | 10 Piece(s) | 10 Day(s) or more | 3/8 | NPT | 1/8 | With sealing agent | ||
MYR 100.55 | 10 Piece(s) | 17 Day(s) or more | 3/8 | NPT | 1/4 | Without sealing agent | ||
MYR 129.78 | 10 Piece(s) | 21 Day(s) | 3/8 | NPT | 1/4 | With sealing agent | ||
MYR 94.71 | 10 Piece(s) | 13 Day(s) or more | 3/8 | NPT | 3/8 | With sealing agent | ||
MYR 118.95 | 10 Piece(s) | 13 Day(s) or more | 3/8 | NPT | 1/2 | With sealing agent | ||
MYR 124.34 | 10 Piece(s) | 14 Day(s) or more | 12 | R | 1/4 | Without sealing agent | ||
MYR 104.87 | 1 Piece(s) | 5 Day(s) or more | 12 | R | 1/4 | With sealing agent | ||
MYR 117.21 | 10 Piece(s) | 14 Day(s) or more | 12 | R | 3/8 | Without sealing agent | ||
MYR 118.70 | 1 Piece(s) | 3 Day(s) | 12 | R | 3/8 | With sealing agent | ||
MYR 131.34 | 10 Piece(s) | 17 Day(s) or more | 12 | R | 1/2 | Without sealing agent | ||
MYR 123.77 | 10 Piece(s) | 10 Day(s) or more | 12 | R | 1/2 | With sealing agent | ||
MYR 123.52 | 10 Piece(s) | 10 Day(s) or more | 1/2 | NPT | 1/4 | With sealing agent | ||
MYR 132.08 | 10 Piece(s) | 17 Day(s) or more | 1/2 | NPT | 3/8 | Without sealing agent | ||
MYR 124.28 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 3/8 | With sealing agent | ||
MYR 133.83 | 10 Piece(s) | 13 Day(s) or more | 1/2 | NPT | 1/2 | With sealing agent | ||
MYR 182.13 | 10 Piece(s) | 17 Day(s) or more | 16 | R | 3/8 | Without sealing agent | ||
MYR 171.39 | 10 Piece(s) | 10 Day(s) or more | 16 | R | 3/8 | With sealing agent | ||
MYR 197.94 | 10 Piece(s) | 17 Day(s) or more | 16 | R | 1/2 | Without sealing agent | ||
MYR 189.10 | 1 Piece(s) | 3 Day(s) | 16 | R | 1/2 | With sealing agent | ||
MYR 48.29 | 1 Piece(s) | 5 Day(s) or more | 3.2 | M | 5×0.8 | Without sealing agent |
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| Fitting Type | Screw Mount Direction | Applicable Fluid | Water / Air / Vapor | Screw Mounting, Direction | With hex socket and straight |
|---|---|---|---|---|---|
| Body Material | Stainless Steel (EN 1.4401 Equiv.) | Types | Single-Action / Screw | Thread Material | Stainless Steel (EN 1.4401 Equiv.) |
| 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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