
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X50SCA is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 50mm 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, this double-acting stainless steel round-body mini cylinder is built for demanding compact automation. The Ø25 bore conforms to the ISO 6432 mounting interface, dropping directly into standard mini-cylinder brackets and clevises. An adjustable air cushion at both ends lets you dial in the needle valve to decelerate heavy loads at high speeds, actively reducing end-of-stroke shock and noise compared to fixed bumper designs. The stainless barrel and rod resist mild corrosion and washdown environments.
Equipped with a CA rear pivot cover and a 50 mm stroke, it uses a 1/8" port and an M10x1.25 male rod thread. The -S suffix indicates a built-in piston magnet for CMSG, DMSG, or EMSG position switches. Based on its 0.5 MPa push rating, it handles a safe working load of roughly 147 N, meaning it lifts about 12.5 kg vertically with a 2:1 safety margin.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X50SCA |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 50 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. |
| ×50 | 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 adjustable air cushion to smoothly arrest the 245 N push force when kicking light packages at high cycle rates, preventing impact damage to the diverter arm.
The 50 mm stroke drives folding arms rapidly; the end-of-stroke cushioning ensures the mechanism does not slam, protecting seals and maintaining precise flap placement.
Lifts roughly 12.5 kg vertically using a 2:1 margin, while the CA pivot mount accommodates the geometry shifts of small access gates on storage enclosures.
When sizing this 245.3 N push unit, consider stepping down to the MIC20 (157.0 N push @0.5 MPa) for lighter duties, or up to the MIC32 (402.2 N push @0.5 MPa) if your payload demands more thrust. The adjustable air cushion is essential if you are cycling near the 800 mm/s upper speed limit or moving substantial mass, as it prevents harsh impacts. For mounting flexibility, you can utilize the CA rear clevis alongside LB foot, FA flange, SDB pivot, or TC trunnion brackets.
Remember that the air cushion only decelerates the piston near the stroke end; it is not a braking device. If air pressure drops, the cylinder will not hold its load and the piston will drift. To maintain vertical position during air loss, install an external rod lock or a pilot-operated check valve.
Quick checklist
This Ø25 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.
Yes, the -S suffix means it has a built-in magnet compatible with CMSG, DMSG, and EMSG switches. The adjustable air cushion at both ends only decelerates the piston near stroke end to reduce shock; it is not a lock or brake, so you need a pilot check valve or external rod lock to hold a load on air loss.
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