Airtac MID Series Double Rod Mini Cylinder MID25X25S
The AirTAC Airtac MID Series Double Rod Mini Cylinder MID25X25S is a genuine double acting, double rod 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, double rod
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MID Series Double Rod Mini Cylinder MID25X25S
Delivering 206.1 Newtons of equal thrust in both directions at 0.5 MPa, this AirTAC MID25X25S is a double-acting, through-rod mini cylinder. Because a Ø10 mm piston rod exits both end covers of the stainless-steel round body, the extend and retract areas are identical, completely cancelling rotational twist and absorbing side loads without needing an external guide. The rear rod end remains exposed and free to trip a limit switch or push a secondary load. Built with a riveted stainless barrel and rod, it withstands mild washdowns and corrosion.
It uses the ISO 6432 mini-cylinder mounting interface for easy bracket drops, features a 1/8" port, and travels a short 25 mm stroke at speeds between 30 and 800 mm/s. The -S suffix means a piston magnet is installed for CMSG, DMSG, or EMSG switches. For sizing, a safe working load is roughly 124 N, which means it can vertically lift about 10.5 kg with a 2:1 safety margin.
Airtac MID Series Double Rod Mini Cylinder MID25X25S Technical Specifications
| Model | Airtac MID Series Double Rod Mini Cylinder MID25X25S |
|---|---|
| Series | MID ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 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 MID25X25S
| MID | ISO 6432 round-body mini cylinder (double-rod). |
|---|---|
| 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 MID Series Double Rod Mini Cylinder MID25X25S Is Used
Symmetric Shuttle Transfer
Ideal for moving small parts between stations, using the equal 206.1 N force to push and pull a carrier smoothly without twisting.
Back-Rod Switch Trip
The extended rear rod physically trips a CMSG or DMSG sensor at 25 mm, giving a precise mechanical confirmation of the stroke end.
Guided Vertical Lift
Raises roughly 10.5 kg loads vertically, where the twin through-rod keeps the payload steady and prevents side-load binding.
Is the Airtac MID Series Double Rod Mini Cylinder MID25X25S the Right Cylinder?
If you need less push, the MID20X25S offers 131.9 N at 0.5 MPa; if you need more, the larger non-ISO MID32X25S provides 345.6 N. Choose this Ø25 bore when your mechanism requires symmetric force, anti-rotation stability, or a back-rod stop. The fixed TPU bumpers soften the stroke ends but do not lock the piston. If air pressure drops, the load will drift, so add an external pilot check valve for position holding. You can mount via LB foot, FA flange, or TC trunnion, but the SDB pivot block is not compatible with this double-rod design.
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 MID25X25S FAQ
Because it is a double-rod cylinder, the force is equal both ways. It delivers 206.1 N at 0.5 MPa, 288.5 N at 0.7 MPa, and a maximum theoretical force of 42.0 kgf at 1.0 MPa.
Yes, the -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG switches. The double through-rod resists rotation under side load and leaves the back rod end free to drive a second load or trip a switch.
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