
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X300SCA is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 300mm 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.
Delivering 245.3 N of push force at 0.5 MPa, the AirTAC MIC25X300SCA is a double-acting, round-body stainless-steel mini cylinder built for demanding actuation. A variable air cushion at both ends lets you dial in the deceleration with a needle valve, soaking up high-speed end-of-stroke shock to protect your load and cut noise. The stainless barrel and piston rod resist mild corrosion and washdown environments, while the rear CA pivot cover provides a robust clevis mounting interface.
This 25 mm bore unit pushes 343.4 N at 0.7 MPa and pulls 206.1 N at 0.5 MPa through a 300 mm stroke. It uses a 1/8" port and an M10x1.25 male rod thread. Because it conforms to the ISO 6432 mounting interface, it drops directly into standard mini-cylinder brackets and clevises. For sizing, this bore yields a safe working load of about 147 N, meaning it lifts roughly 12.5 kg vertically with a 2:1 safety margin. An integrated piston magnet (-S) supports CMSG, DMSG, and EMSG position switches.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X300SCA |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 300 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. |
| ×300 | 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 245.3 N push force to deflect packages on a conveyor, relying on the adjustable air cushion to stop the 300 mm stroke smoothly without slamming.
Drives folding mechanisms on packaging lines where the stainless build resists washdown, and the needle-set cushion prevents tearing cardboard at high cycle rates.
Pushes lighter palletized goods up to the 12.5 kg vertical lift margin, using the CA pivot mount to accommodate slight angular misalignment during the transfer.
When sizing this actuator, stepping down to the MIC20 bore drops the 0.5 MPa push force to 157 N, while stepping up to the MIC32 raises it to 402 N. The adjustable air cushion is essential if you are moving heavy loads at high speeds up to 800 mm/s, as a fixed bumper cannot match its shock absorption. Remember that the cushion only decelerates the piston near the stroke end; it does not act as a brake. If your application must hold a load vertically during air loss, add an external rod lock or a pilot-operated check valve.
The CA rear pivot cover suits articulated rod-end alignments, and you can pair it with LB foot, FA flange, or TC trunnion mounts. Position sensing requires the built-in -S magnet to function with CMSG, DMSG, or EMSG switches; a SKU without the S suffix cannot accept a sensor.
Quick checklist
This 25 mm bore cylinder features a 1/8" port and an M10x1.25 male rod thread. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, increasing to 343.4 N push and 288.5 N pull at 0.7 MPa. The theoretical maximum force is 50 kgf at 1.0 MPa.
It features a variable air cushion at both ends that uses a needle valve to decelerate the piston near the stroke limits, reducing shock. The -S suffix indicates a built-in piston magnet, allowing you to mount CMSG, DMSG, or EMSG sensors for position detection.
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