Airtac MI25~40 Stainless Steel Mini Cylinder MI25X10SR
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI25X10SR is a genuine double acting round-body mini air cylinder with a Ø25mm bore and 10mm 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
- Stroke10 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X10SR
Delivering 245.3 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles short 10 mm strokes with precision. The riveted barrel and rod shrug off mild corrosion, making it far superior to painted alternatives in damp production areas. An R back cover feeds air axially into the rear, keeping hose routing tight against the machine frame.
With the built-in -S piston magnet, you can mount CMSG, DMSG or EMSG switches for precise end-of-stroke detection. Plan for roughly 147 N of actual work at 0.5 MPa to ensure smooth cycling, which translates to lifting about 12.5 kg vertically with a safe 2:1 margin. Fixed TPU bumper pads absorb the impact at stroke extremes without requiring manual adjustment.
Airtac MI25~40 Stainless Steel Mini Cylinder MI25X10SR Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI25X10SR |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 10 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 MI25X10SR
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×10 | 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 MI25X10SR Is Used
Short-Stroke Ejector
Kicks small plastic parts out of an injection moulding cavity in a 10 mm burst before the robotic arm extracts them.
Package Diverter Gate
Snaps a lightweight routing flap into position on a packaging line to redirect cardboard cartons down a side lane.
Clamping Pin Actuator
Thrusts a 12 kg aluminium jig forward to lock a component in place for a secondary CNC drilling operation.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X10SR the Right Cylinder?
When sizing this 25 mm bore, compare it against the 20 mm option (157 N push at 0.5 MPa) if your load is lighter, or step up to the 32 mm bore (402 N push at 0.5 MPa) for heavier demands. The 1/8" port matches the bore standard, and the M10x1.25 male rod thread provides a robust attachment point. Because the stroke is only 10 mm, side-load stress on the rod is minimal, but you should still ensure the load moves on a straight axis.
Remember that venting the air supply causes the piston to drift, as the TPU bumpers only decelerate the end of travel and act as neither a lock nor a brake. To suspend a load safely during an emergency stop, fit an external rod lock or a pilot-operated check valve. You can mount this unit using LB foot brackets, FA flanges, SDB pivot blocks or TC trunnions, and its ISO 6432 mounting dimensions allow it to drop directly into standard mini-cylinder brackets.
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 MI25X10SR FAQ
This 25 mm bore cylinder features a 1/8" air port. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, increasing to 343.4 N push and 288.5 N pull at 0.7 MPa. The theoretical maximum force is 50 kgf at 1.0 MPa.
Yes, the -S suffix indicates a built-in piston magnet designed for CMSG, DMSG and EMSG switches. The R back cover directs the air supply straight in axially from the rear, which helps maintain a compact footprint alongside standard ISO 6432 mounting dimensions.
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