Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU
The AirTAC Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU is a genuine double acting round-body mini air cylinder with a Ø8mm bore and 30mm stroke, M5×0.8 air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ8 mm
- Stroke30 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM4×0.7
- CushionFixed TPU bumper pads
About the Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU
Delivering 25.1 N of push force at 0.5 MPa, this double-acting stainless-steel mini cylinder handles compact actuation where space is tight. The Ø8 mm bore uses an M5x0.8 air port and an M4x0.7 male rod thread. Its riveted round body houses a stainless barrel and rod, resisting mild corrosion and washdowns better than painted alternatives. The built-in piston magnet supports CMSG, DMSG and EMSG switches for precise end-of-stroke detection.
Because the theoretical output is limited, plan for a safe working load of about 15 N at 0.5 MPa rather than the maximum rating. This translates to lifting roughly 1.3 kg vertically with a 2:1 safety margin, allowing you to match the cylinder to real part weights. The stroke terminates against fixed TPU bumper pads that decelerate the impact, and the U-style back cover provides a 90-degree port orientation for tidy tubing in confined machinery.
Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU Technical Specifications
| Model | Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø8 mm |
| Stroke | 30 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Fixed TPU bumper pads |
| Max standard stroke | Up to 150 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G.
Theoretical Output Force (Ø8mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 25 N | 19 N |
| 0.7 MPa | 35 N | 26 N |
| Max (@1.0 MPa) | 5 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 8 | Bore size in mm. |
| ×30 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MI-family variants: MI / MIC (double acting ±cushion), MSI / MTI (single acting push / pull), MID / MICD (double rod ±cushion), MIJ / MICJ (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU Is Used
Micro-clip insertion
Pushes small spring clips into PCB assemblies using the 25.1 N output, with the U cover keeping the M5x0.8 port tucked neatly against the frame.
Lightweight divert gate
Actuates a tiny aluminium flap on a conveyor sorter, safely moving loads under the 15 N working threshold without overwhelming the mechanism.
Lab vial ejection
Ejects empty 1.3 kg vial racks vertically, relying on the stainless construction to withstand humid laboratory environments and chemical washdowns.
Is the Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU the Right Cylinder?
When sizing this 8 mm bore, stepping up to the Ø10 version increases the 0.5 MPa push force to 39.3 N if 25.1 N proves insufficient, though there is no smaller standard MI bore available below 8 mm. The 30 mm stroke keeps the rod short to minimise bending under side loads. Remember that a plain double-acting cylinder drifts when air is lost or the valve centres; the TPU bumpers only soften the stroke end and will not lock the load. For vertical or suspended loads that must hold position, add an external rod lock or a pilot-operated check valve.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SU FAQ
At 0.5 MPa it provides 25.1 N push and 18.8 N pull; at 0.7 MPa it provides 35.2 N push and 26.4 N pull. The theoretical maximum force is 5.1 kgf at 1.0 MPa. The air port is M5x0.8 and the male rod thread is M4x0.7.
Yes, the Ø8 mm round body conforms to ISO 6432 mounting dimensions, allowing it to drop into standard mini-cylinder clevises and brackets. The U-style back cover also provides a 90-degree mounting and port orientation.
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Covers non-human-caused product damage.
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