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A miniature tube fitting from SMC Corporation.
[Features]
· Small and can be removed without tools.
· Compact piping space.
Part Number
Configured Part Number is shown.
M-04R-2

Reducer M-32R-2 and M-04R-2 outline drawing
| Applicable tube outer diameter / inner diameter (mm) | Connection fitting size øD | Model | A | B Note 1: | B Note 2: | C | E | F | Weight g |
|---|---|---|---|---|---|---|---|---|---|
| ø2/ø1.2 | ø3.2 | M-32R-2 | 36 | 23.3 | 20.5 | 31.5 | 0.9 | 4 | 0.7 |
| ø4 | M-04R-2 | 36.5 | 23.8 | 20.5 | 32 | 0.8 |
Note 1: The dimensions when connected to KJ series and KQ series M5 and M6 type connecting threads.
Note 2: The dimensions when connected to the KQ series.
| Number | Part name | Materials | Additional notes |
|---|---|---|---|
| 1 | Sleeve | C3604 | Electroless nickel plating |
| 2 | Hammering body | C3604 | Electroless nickel plating |
| 3 | Plug body | PP | - |

Mini Fitting M series structure
| Tube materials | Polyurethane |
|---|---|
| Applicable tube (outer diameter / inner diameter) | ø2/ø1.2 |
| Usable fluids | Air, water Note 1: |
| Maximum operating pressure | 1 MPa Note 2 |
| Ambient temperature and working fluid temperature | -5 to 60°C, For water: 0 to 40°C (no freezing) |
| Connection size | M3, M5, ø3.2, ø4 |
| Thread | JIS B0205 (metric coarse thread) |
Note 1: Use surge pressures below that of the maximum operating pressure.
Note 2: Apply the tube's maximum operating pressure when using a tube.
| Part Number |
|---|
| M-04R-2 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Connection Fitting Size (mm) |
|---|---|---|---|---|---|
MYR 22.00 | 10 Piece(s) | 43 Day(s) | 4 |
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| Connection Types | Others | Material | Brass | Other Shapes, Types | Reducer |
|---|---|---|---|---|---|
| Applicable tube material (O.D./I.D.) | Polyurethane |
Please check the type/dimensions/specifications of the part M-04R-2 in the Reducer M-32R-2/M-04R-2 Mini Fitting series.
| Part Number |
|---|
| M-32R-2 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Connection Fitting Size (mm) |
|---|---|---|---|---|---|
MYR 22.00 | 10 Piece(s) | 43 Day(s) | 3.2 |
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