Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC is a genuine double acting round-body mini air cylinder with a Ø25mm bore and 100mm stroke, 1/8" 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.
- BoreØ25 mm
- Stroke100 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC
Delivering 245.3 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles robust actuation tasks. The Ø25 mm bore operates on a 1/8" port and conforms to ISO 6432 mounting dimensions, sliding directly into standard mini-cylinder brackets. Its riveted stainless barrel and rod shrug off mild corrosion, outlasting painted alternatives in damp environments. Fixed TPU bumper pads absorb stroke-end impact, while the included piston magnet supports CMSG, DMSG, or EMSG sensors.
For practical sizing, plan for a safe working load of roughly 147 N rather than the absolute maximum. This translates to lifting about 12.5 kg vertically with a 2:1 safety margin, making it ideal for moving substantial components. The CA pivot clevis back cover and TC trunnion accessory provide flexible load articulation. Operating between 0.15 and 1.0 MPa, it runs at speeds of 30-800 mm/s.
Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 500 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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 MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC Is Used
Package Diverting Gate
Actuates a heavy routing flap on a packaging line, using the 245.3 N thrust to push loaded cartons smoothly into secondary chutes.
Press Ejection Arm
Kicks stamped metal parts out of a die bed, relying on the 12.5 kg vertical lift capacity to clear heavy blanks safely.
Pallet Stopper Mechanism
Raises and lowers a solid stop pin on a roller conveyor, utilizing the TC trunnion and CA clevis to handle side loads during pallet accumulation.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC the Right Cylinder?
When sizing this 25 mm bore, dropping down to a Ø20 unit reduces thrust to 157 N at 0.5 MPa, whereas stepping up to a Ø32 bore yields 402 N. The 100 mm stroke is well within the 500 mm maximum, keeping rod bending stress minimal. Remember that the TPU bumpers only decelerate the stroke end; they do not function as a lock. If your process requires the piston to stay put upon air loss or valve centering, you must add an external rod lock or a pilot-operated check valve to prevent drift.
The -S suffix equips the piston with a magnet for CMSG, DMSG, or EMSG reed and electronic switches. Its CA rear clevis pairs seamlessly with the TC trunnion mount, giving you multiple pivot options to accommodate varying machine geometries.
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 MI25~40 Stainless Steel Mini Cylinder MI25X100SCATC FAQ
At 0.5 MPa it provides 245.3 N push and 206.1 N pull. At 0.7 MPa it delivers 343.4 N push and 288.5 N pull. The theoretical maximum force is 50 kgf at 1.0 MPa. This Ø25 mm bore utilizes a 1/8" air port and an M10x1.25 male rod thread.
No, the fixed TPU bumper pads only decelerate the piston near the stroke end and act as a brake. For vertical loads that must remain suspended upon air loss or valve centering, an external rod lock or pilot-operated check valve is required to prevent drift.
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