
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X135SU is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 135mm 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.
Dial in end-of-stroke deceleration with the AirTAC MIC25X135SU, a double-acting round-body mini cylinder built with a stainless-steel barrel and rod for mild washdown resistance. A needle-set variable air cushion at both ends absorbs high-speed shock, protecting your payload far better than a fixed rubber bumper. The U-style back cover provides a 90-degree port and mounting orientation.
Generating 245.3 N of push and 206.1 N of pull at 0.5 MPa, this Ø25 bore unit yields a safe working load of roughly 147 N, lifting about 12.5 kg vertically with a 2:1 margin. The 135 mm stroke falls well under the 500 mm standard maximum. Because the SKU carries the -S suffix, it includes a piston magnet for CMSG, DMSG, or EMSG position switches, and its 1/8" port conforms to the ISO 6432 mounting interface.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X135SU |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 135 mm |
| Acting type | Double acting + cushion |
| 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 | Variable air cushion, both ends |
| 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.
| 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.
| MIC | ISO 6432 round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×135 | 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.
Uses the 245 N push force to rapidly deflect packages on a conveyor belt, relying on the adjustable air cushion to silently stop the 135 mm stroke without jarring the mechanism.
Pulls a sealing jaw with 206 N of force at 0.5 MPa, where the stainless build resists mild washdown chemicals and the -S magnet confirms jaw closure via a DMSG sensor.
Lifts approximately 12.5 kg of small components through the 135 mm stroke, using the ISO 6432 mounting interface to drop directly into standard mini-cylinder clevis brackets.
If you need less force, stepping down to the Ø20 MIC bore drops the 0.5 MPa push to 157 N; moving up to the Ø32 bore raises it to 402 N. Keep this Ø25 bore when running heavy loads at high speeds where the adjustable air cushion is essential to prevent impact damage. The cushion only decelerates the piston near the stroke end and acts purely as a shock absorber, never as a lock.
The piston will drift if air pressure drops, so fit an external rod lock or pilot-operated check valve if you must hold a suspended load. This 135 mm stroke model uses a Ø10 rod with an M10x1.25 male thread. You can mount it using LB foot brackets, FA flanges, or TC trunnions alongside the U back cover.
Quick checklist
This double-acting cylinder has a 25 mm bore and a 135 mm stroke. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, and 343.4 N push and 288.5 N pull at 0.7 MPa, with a theoretical maximum force of 50 kgf at 1.0 MPa. It uses a 1/8" air port, a Ø10 mm piston rod, and an M10x1.25 male rod thread.
The -S suffix means it has a built-in piston magnet for CMSG, DMSG, or EMSG switches. The adjustable air cushion at both ends only decelerates the piston near the stroke end to reduce shock; it is not a brake. The cylinder will drift on air loss, so use an external rod lock or pilot check valve to hold a load.
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