Airtac MI8~12 Stainless Steel Mini Cylinder MI8X90SCA
The AirTAC Airtac MI8~12 Stainless Steel Mini Cylinder MI8X90SCA is a genuine double acting round-body mini air cylinder with a Ø8mm bore and 90mm 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
- Stroke90 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 MI8X90SCA
Generating 25.1 N of push force at 0.5 MPa, this double-acting stainless-steel mini cylinder handles compact automation tasks with ease. The Ø8 mm bore uses an M5x0.8 air port and a 4 mm piston rod with an M4x0.7 male thread. Its stainless barrel and rod resist mild corrosion, offering a real advantage over painted alternatives in damp or washdown environments.
The 90 mm stroke falls well within the 150 mm standard limit, and the rear CA pivot clevis allows straightforward angular mounting. Because the piston pushes with 25.1 N at 0.5 MPa, you can plan for a safe working load of about 15 N. This equates to lifting roughly 1.3 kg vertically with a 2:1 safety margin. Fixed TPU bumper pads absorb stroke-end impacts, while the built-in magnet (-S) supports CMSG, DMSG and EMSG sensors.
Airtac MI8~12 Stainless Steel Mini Cylinder MI8X90SCA Technical Specifications
| Model | Airtac MI8~12 Stainless Steel Mini Cylinder MI8X90SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø8 mm |
| Stroke | 90 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 MI8X90SCA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 8 | Bore size in mm. |
| ×90 | 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 MI8X90SCA Is Used
Micro-clip insertion
Pushes small spring clips into PCB assemblies using the safe 15 N working load, relying on the 90 mm stroke to clear nearby components.
Light diverter arm
Actuates a tiny routing flap on a packaging line, where the stainless build withstands occasional washdown and the CA clevis handles pivot motion.
Lab sample ejection
Ejects lightweight 1.3 kg test tube racks from a testing station, using the M4x0.7 rod thread to mount a custom plastic pusher plate.
Is the Airtac MI8~12 Stainless Steel Mini Cylinder MI8X90SCA the Right Cylinder?
As the smallest available bore in the series, there is no smaller MI size to step down to; if 25.1 N of push at 0.5 MPa is insufficient, step up to the Ø10 bore which provides 39.3 N. The included -S magnet enables position sensing with CMSG, DMSG or EMSG switches. Remember that the fixed TPU bumpers only decelerate the stroke end; if air pressure drops, the piston will drift and cannot hold a load. For vertical applications requiring position holding, add an external rod lock or 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 MI8X90SCA FAQ
This Ø8 mm bore cylinder features an M5x0.8 air port. It generates 25.1 N push and 18.8 N pull at 0.5 MPa, increasing to 35.2 N push and 26.4 N pull at 0.7 MPa. The theoretical maximum force is 5.1 kgf at 1.0 MPa.
Yes, the Ø8 mm bore uses the ISO 6432 mounting interface, so it drops directly into standard mini-cylinder brackets and clevises. The -S suffix indicates a built-in piston magnet, allowing you to mount CMSG, DMSG or EMSG reed and electronic switches for position detection.
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