Airtac MID Series Double Rod Mini Cylinder MID25X225S
The AirTAC Airtac MID Series Double Rod Mini Cylinder MID25X225S 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 MID25X225S
Delivering 206.1 N of equal thrust in both directions at 0.5 MPa, this double-acting stainless steel mini cylinder uses a through-rod design that resists rotation and handles side loads. A rod exits both end covers, meaning the extend and retract faces share the same rod-side area for perfectly balanced force. The rear rod end remains exposed and free to trip a switch, carry a stop flag, or drive a secondary load without needing an external guide. Its stainless round barrel and piston rod withstand mild corrosion and washdown environments.
Built with a 25 mm bore and a 225 mm stroke, the unit conforms to the ISO 6432 mounting interface for straightforward bracket and clevis integration. It operates at 30-800 mm/s, features fixed TPU bumper pads to soften stroke ends, and ports via 1/8" threads. For buyers sizing payloads, a safe working load is roughly 124 N, or a vertical lift of about 10.5 kg with a 2:1 safety margin. Because this SKU includes the -S magnet, it is fully ready for CMSG, DMSG, or EMSG position sensing.
Airtac MID Series Double Rod Mini Cylinder MID25X225S Technical Specifications
| Model | Airtac MID Series Double Rod Mini Cylinder MID25X225S |
|---|---|
| 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 MID25X225S
| 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 MID25X225S Is Used
Symmetric Shuttle Transfer
Pushes a 10 kg component carriage between two stations with equal 206.1 N force in both directions, using the twin rod to prevent carriage twisting.
Dual-Load Actuation
Drives a primary press tool while the exposed rear rod simultaneously trips a CMSG sensor flag, eliminating the need for separate external guides.
Guided Divert Gate
Actuates a routing flap on a washdown line where the stainless build resists moisture, relying on the through-rod to keep the flap steady under side load.
Is the Airtac MID Series Double Rod Mini Cylinder MID25X225S the Right Cylinder?
When sizing this 25 mm bore, verify your payload against the 206.1 N output at 0.5 MPa. If you need less force, stepping down to the MID20 bore yields 131.9 N, while moving up to the MID32 provides 345.6 N. The twin-rod architecture is ideal here if your mechanism demands anti-rotation stability or needs a back-rod extension to trigger a mechanical stop. For mounting, you can utilize LB foot, FA flange, or TC trunnion brackets, but note the SDB pivot block is not offered on this double-rod variant.
Keep in mind that fixed TPU bumpers only decelerate the piston near the stroke end; they do not lock the load. If air pressure drops or the valve centers, the piston will drift. To hold a vertical load securely in place during a loss of pressure, you must integrate an external rod lock or a pilot-operated check valve into your pneumatic 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 MID Series Double Rod Mini Cylinder MID25X225S FAQ
Because a rod exits both ends, 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. The 1/8" port supplies air for these double-acting operations.
No, the piston will drift on air loss. The fixed TPU bumpers only soften the stroke end and do not act as a brake. For vertical loads, use an external rod lock or pilot check valve. The -S magnet allows DMSG sensors, and the stainless build handles mild corrosion.
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