Airtac MI25~40 Stainless Steel Mini Cylinder MI25X25CA
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI25X25CA is a genuine double acting round-body mini air cylinder with a Ø25mm bore and 25mm 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
- Stroke25 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X25CA
Generating 245.3 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles robust actuation in tight spaces. The Ø25 mm bore conforms to ISO 6432 mounting dimensions, dropping directly into standard mini-cylinder brackets and clevises for straightforward design integration. Its riveted stainless barrel and rod shrug off mild corrosion, giving it a real edge over painted alternatives in damp environments. Fixed TPU bumper pads absorb stroke-end impact to protect the mechanism.
Because the 25 mm stroke is paired with a CA pivot clevis, this model excels in short-throw angular actuation. Plan for roughly 147 N of actual work at 0.5 MPa, which translates to lifting about 12.5 kg vertically with a 2:1 safety margin. Air enters via a 1/8" port, and the unit operates at speeds between 30-800 mm/s. Note that this specific SKU lacks a magnet, so it cannot host CMSG, DMSG or EMSG sensors without upgrading to an -S variant.
Airtac MI25~40 Stainless Steel Mini Cylinder MI25X25CA Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI25X25CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 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 MI25X25CA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×25 | 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 MI25X25CA Is Used
Package Diverter Gate
Uses the CA clevis to pivot a short diverter arm on a packaging line, relying on the 245.3 N push force to snap light cardboard cartons onto an adjacent belt.
Pneumatic Valve Actuation
Drives a quarter-turn ball valve in a mildly humid processing plant, where the stainless steel rod resists washdown corrosion better than standard steel.
Tote Lid Latching
Executes a rapid 25 mm latch closure on automated storage totes, with the fixed TPU bumpers quietly absorbing the impact at the end of each cycle.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X25CA the Right Cylinder?
When sizing this 25 mm bore actuator, verify your force needs against its neighbours: a 20 mm bore yields 157 N of push at 0.5 MPa, while stepping up to a 32 mm bore provides 402 N. The CA rear pivot cover on this model is purpose-built for clevis mounting, making it ideal when the load requires angular articulation rather than a rigid straight-line push. For short 25 mm strokes, rod bending is rarely a concern, but always ensure the pivot pin is aligned to prevent side-load wear.
Remember that the fixed TPU bumpers only decelerate the piston near the stroke end; they do not function as a brake. If your pivoting load must remain suspended when air pressure drops or the valve is centred, the piston will drift. You must incorporate an external rod lock or a pilot-operated check valve to hold the position securely.
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 MI25X25CA FAQ
At 0.5 MPa it provides 245.3 N push and 206.1 N pull. At 0.7 MPa it provides 343.4 N push and 288.5 N pull. The theoretical maximum force is 50 kgf at 1.0 MPa. The air port size is 1/8".
No, this specific SKU does not include a magnet, so it cannot host CMSG, DMSG or EMSG switches. You would need the -S magnet variant for position sensing. It features a CA pivot clevis and uses standard ISO 6432 mounting dimensions.
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