Airtac MI25~40 Stainless Steel Mini Cylinder MI25X50SUTC
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI25X50SUTC is a genuine double acting round-body mini air cylinder with a Ø25mm bore and 50mm 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
- Stroke50 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 MI25X50SUTC
Delivering 245.3 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles substantial work for its footprint. The integrated piston magnet (-S) directly supports CMSG, DMSG and EMSG reed or electronic switches for position confirmation. Built with a riveted stainless barrel and rod, it withstands mild corrosion and washdown environments better than painted alternatives.
Its Ø25 mm bore conforms to ISO 6432 mounting dimensions, dropping seamlessly into standard mini-cylinder brackets and clevises. The U-type back cover provides a 90-degree port orientation, while the included TC trunnion mount simplifies pivot installations. Plan for a safe working load of roughly 147 N, which means it can lift about 12.5 kg vertically with a 2:1 safety margin.
Airtac MI25~40 Stainless Steel Mini Cylinder MI25X50SUTC Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI25X50SUTC |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 50 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 MI25X50SUTC
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×50 | 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 MI25X50SUTC Is Used
Package Diverting Gate
Actuates a routing flap on a packaging conveyor, using the 245.3 N thrust to push heavy cartons onto a secondary belt at speed.
Vertical Parts Press
Pushes lightweight bearings into housings on an assembly line, relying on the 12.5 kg safe vertical lift capacity to seat components accurately.
Pallet Stopper Arm
Deploys a physical stop block in a humid washdown zone, where the stainless steel barrel prevents corrosion that would degrade standard cylinders.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X50SUTC the Right Cylinder?
When sizing this unit, the smaller Ø20 bore provides 157.0 N of push at 0.5 MPa, whereas stepping up to the non-ISO Ø32 bore yields 402.2 N. This 25 mm option hits a sweet spot for medium-force tasks. The fixed TPU bumper pads soften stroke-end impact but do not function as an adjustable air cushion; for high-speed energy absorption, consider the MIC variant.
Because a standard double-acting cylinder vents and drifts when air is lost or the valve is centered, you must add an external rod lock or pilot-operated check valve if the load needs to be held securely in place. This specific SKU includes the -S magnet for sensing, the U rear cover, and the TC trunnion accessory.
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 MI25X50SUTC FAQ
This 25 mm bore cylinder features a 1/8" air port and a male M10x1.25 rod thread. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, 343.4 N push and 288.5 N pull at 0.7 MPa, with a theoretical maximum of 50 kgf at 1.0 MPa.
No, the piston will drift if air is lost or the valve is centered. The fixed TPU bumper pads only decelerate the stroke end and act as a brake. To hold a vertical load safely, install an external rod lock or a pilot-operated check valve.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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