Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SUTC
The AirTAC Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SUTC 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 MI8X30SUTC
Generating 25.1 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact actuation with ease. The Ø8 mm bore uses an M5x0.8 port and a Ø4 mm piston rod with an M4x0.7 male thread. Its riveted stainless barrel and rod shrug off mild corrosion, giving it a real edge over painted alternatives in damp or washdown settings.
The built-in magnet (-S) directly supports CMSG, DMSG and EMSG switches for position sensing. Fixed TPU bumper pads absorb the stroke-end impact, while the U back cover and TC trunnion mount provide flexible 90-degree orientation. For practical sizing, plan for roughly 15 N of usable work at 0.5 MPa, which means it can comfortably lift about 1.3 kg vertically.
Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SUTC Technical Specifications
| Model | Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SUTC |
|---|---|
| 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 MI8X30SUTC
| 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 MI8X30SUTC Is Used
Electronic Component Sorting
Pushes delicate microchips or resistors along a guide rail with a gentle 15 N working force, preventing damage while maintaining rapid 30 mm cycling.
Lab Sample Diverting
Actuates a small pivot arm to route test tubes into the correct carousel bin, utilising the stainless build to resist humidity and chemical splashes.
Small Part Ejection
Ejects lightweight plastic moulded trim from a die set, using the TC trunnion to accommodate the angular ejection path and the U cover for port clearance.
Is the Airtac MI8~12 Stainless Steel Mini Cylinder MI8X30SUTC the Right Cylinder?
As the smallest bore in the MI family, there is no smaller option available; if you need more power, the next size up is the Ø10 bore, which raises the push force to 39.3 N at 0.5 MPa. The 30 mm stroke is well within the 150 mm standard limit, keeping the assembly highly compact. Because the TC trunnion mount allows pivoting, ensure your side-load geometry is aligned to avoid rod bending.
Remember that a plain cylinder drifts when air is lost or the valve is centered—the fixed bumpers only decelerate the stroke end and do not act as a brake. To hold a load securely mid-stroke, you will need to add an external rod lock or a pilot-operated check valve to the system.
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 MI8X30SUTC FAQ
This Ø8 mm bore cylinder features an M5x0.8 port. It generates 25.1 N push and 18.8 N pull at 0.5 MPa, 35.2 N push and 26.4 N pull at 0.7 MPa, with a theoretical maximum force of 5.1 kgf at 1.0 MPa.
No, the piston will drift if air is lost. The fixed TPU bumper pads only decelerate the rod at the stroke end; they do not function as a locking brake. An external rod lock or pilot check valve is required for position holding.
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