Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100CM
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100CM 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 MI25X100CM
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 uses a 1/8" port and an M10x1.25 male rod thread. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. Fixed TPU bumper pads absorb stroke-end impact without offering adjustable cushioning.
Because it follows ISO 6432 mounting dimensions, this unit drops directly into standard mini-cylinder brackets and clevises. Plan for roughly 147 N of actual work at 0.5 MPa, which means it lifts about 12.5 kg vertically with a safe 2:1 margin. The rear CM round end keeps the body compact for tight spaces. Note this specific SKU lacks a magnet, so it cannot host CMSG, DMSG or EMSG sensors.
Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100CM Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100CM |
|---|---|
| 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 MI25X100CM
| 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 MI25X100CM Is Used
Package Diverting Gate
Swings a routing flap on a packaging line, using the 245.3 N thrust to push parcels firmly into the correct sorting lane.
Textile Loom Tensioner
Maintains consistent yarn tension in a humid production area, leveraging the stainless rod to resist mild corrosion.
Pallet Stacking Stopper
Extends 100 mm to halt empty pallets on a low-profile accumulator, safely halting loads under 12.5 kg.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI25X100CM the Right Cylinder?
When sizing this actuator, compare its 245.3 N push at 0.5 MPa against the adjacent bores: stepping down to a Ø20 provides 157.0 N, while moving up to a Ø32 yields 402.2 N. If your mechanism must hold a vertical load when air is removed or the valve centres, remember this plain cylinder will drift; the TPU pads only decelerate the stroke end and act as neither a brake nor a lock. You must add an external rod lock or a pilot-operated check valve for secure position holding.
The CM round end suits clean, axial installations, and you can pair the body with LB foot, FA flange, SDB pivot or TC trunnion brackets. Because this model lacks the -S suffix, it has no internal magnet and cannot accept position switches. If you need adjustable end-cushioning for high-speed cycles, look at the MIC variant instead of the base MI.
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 MI25X100CM FAQ
This 25 mm bore cylinder features a 1/8" port and generates 245.3 N push / 206.1 N pull at 0.5 MPa, and 343.4 N push / 288.5 N pull at 0.7 MPa. The theoretical maximum force is 50 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so CMSG, DMSG or EMSG switches cannot be used. You must select an MI25 model with the -S suffix for position sensing. It uses fixed TPU bumper pads and follows ISO 6432 mounting dimensions.
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