Airtac MID Series Double Rod Mini Cylinder MID25X225
The AirTAC Airtac MID Series Double Rod Mini Cylinder MID25X225 is a genuine double acting, double rod round-body mini air cylinder with a Ø25mm bore and 225mm 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
- Stroke225 mm
- Port size1/8"
- Acting typeDouble acting, double rod
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MID Series Double Rod Mini Cylinder MID25X225
Delivering 206.1 Newtons of thrust in both directions at 0.5 MPa, the AirTAC MID25X225 is a double-acting, through-rod mini cylinder built for balanced actuation. Because a Ø10 mm piston rod exits both end covers, the extend and retract areas are identical, completely eliminating the force differential found in single-rod units. The twin-rod geometry also resists rotation and side-load twisting, providing steady guidance for light-duty fixtures without needing an external guide rail. The rear rod end remains exposed and free to trip a limit switch or carry a mechanical stop.
The stainless-steel round barrel and dual rods shrug off mild corrosion and routine washdowns, while the 1/8" port feeds the chamber efficiently. It conforms to the ISO 6432 mounting interface for Ø8-Ø25 bores, dropping directly into standard mini-cylinder brackets and clevises. Operating at 30-800 mm/s, this specific SKU lacks a magnet and therefore cannot host CMSG, DMSG, or EMSG sensors. For vertical lifting, the 206.1 N output at 0.5 MPa yields a safe working load of roughly 124 N, which moves about 10.5 kg each way with a 2:1 safety margin.
Airtac MID Series Double Rod Mini Cylinder MID25X225 Technical Specifications
| Model | Airtac MID Series Double Rod Mini Cylinder MID25X225 |
|---|---|
| Series | MID ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 225 mm |
| Acting type | Double acting, double rod |
| 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac MID Series Double Rod Mini Cylinder MID25X225
| MID | ISO 6432 round-body mini cylinder (double-rod). |
|---|---|
| 25 | Bore size in mm. |
| ×225 | 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 MID Series Double Rod Mini Cylinder MID25X225 Is Used
Symmetric Shuttle Transfer
Use the equal 206.1 N force both ways to push a lightweight product carrier back and forth between two processing stations without needing a separate return mechanism.
Back-Rod Switch Trip
The exposed rear rod end can physically strike an external mechanical limit switch to confirm position, which is vital here since this non-magnet SKU cannot host internal sensors.
Anti-Rotation Guiding
Leverage the twin through-rod design to push a small stamping or clamping head forward steadily, preventing torsional twist during the manufacturing cycle.
Is the Airtac MID Series Double Rod Mini Cylinder MID25X225 the Right Cylinder?
When sizing this 25 mm bore, stepping down to the MID20X225 reduces your equal-both-ways force to 131.9 N at 0.5 MPa, whereas stepping up to the MID32X225 increases it to 345.6 N. Choose the double-rod layout when your mechanism requires anti-rotation stability, a symmetric shuttle motion, or a back-rod connection to drive a secondary load. Keep in mind that the fixed TPU bumper pads only soften the stroke endpoints; they do not lock the piston. If air pressure drops, the cylinder will drift, so fit an external rod lock or pilot check valve to suspend loads safely. You can mount this unit via LB foot, FA flange, or TC trunnion, but the SDB pivot block is not compatible with this double-rod variant.
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 MID Series Double Rod Mini Cylinder MID25X225 FAQ
It provides equal force in both directions because the double-rod design uses the rod-side area on both faces. It delivers 206.1 N at 0.5 MPa, 288.5 N at 0.7 MPa, and a maximum theoretical output of 42.0 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 variant for internal sensing. However, the stainless steel build resists mild corrosion, and the fixed TPU bumpers decelerate the stroke end without acting as a lock.
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