Airtac MI25~40 Stainless Steel Mini Cylinder MI25X80SR
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI25X80SR is a genuine double acting round-body mini air cylinder with a Ø25mm bore and 80mm 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
- Stroke80 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 MI25X80SR
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 features an M10x1.25 male rod thread. Its stainless barrel and piston rod resist mild corrosion, giving it a real edge over painted-steel alternatives in damp or washdown environments. Fixed TPU bumper pads absorb the impact at stroke extremes without adding bulk.
For practical sizing, plan for roughly 147 N of actual work at 0.5 MPa, which safely lifts about 12.5 kg vertically with a 2:1 margin. The built-in piston magnet (-S) supports CMSG, DMSG and EMSG switches for position sensing. An R back cover provides an axial-in port orientation, simplifying plumbing in tight machinery layouts.
Airtac MI25~40 Stainless Steel Mini Cylinder MI25X80SR Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI25X80SR |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 80 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 MI25X80SR
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×80 | 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 MI25X80SR Is Used
Package Diverting Gate
Actuates a routing flap on a packaging line, using the 245.3 N push force to redirect heavy cartons reliably at speed.
Clamp Station
Secures aluminium extrusions during a machining cut, where the stainless build resists cutting fluid mist and the R axial port eases hose routing.
Vertical Parts Lift
Raises lightweight jig fixtures between processing tiers, comfortably lifting components under the 12.5 kg safe vertical threshold.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X80SR the Right Cylinder?
When sizing this 80 mm stroke unit, compare it against its neighbours: a Ø20 bore yields 157.0 N push at 0.5 MPa, while stepping up to a Ø32 bore provides 402.2 N. The Ø25 hits a strong middle ground for medium-force tasks. Because the stroke is 80 mm, ensure your mounting arrangement prevents excessive side-loading to avoid rod bending. The ISO 6432 mounting interface drops directly into standard mini-cylinder brackets and clevises.
Remember that a plain cylinder drifts when air is lost or the valve is centred; the TPU bumpers only decelerate the stroke end and never act as a lock. To suspend a load safely, integrate an external rod lock or a pilot-operated check valve into your circuit.
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 MI25X80SR 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".
Yes, the -S suffix denotes a built-in piston magnet compatible with CMSG, DMSG and EMSG switches. For impact absorption, it uses fixed TPU bumper pads that decelerate the piston at the stroke ends; it does not feature an adjustable air cushion.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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