
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X270SCM is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 270mm 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 handles demanding actuation. The 25 mm bore pairs a 10 mm piston rod with an M10x1.25 male thread and a 1/8 inch port. It conforms to ISO 6432 mounting dimensions, making it a direct drop-in for standard mini brackets and clevises. The CM round rear cover provides specific port and mounting orientation for tight assemblies.
A defining feature is the adjustable air cushion at both ends, letting you dial in a needle valve to absorb high-speed end-of-stroke shock, protecting the load and reducing noise versus a fixed bumper. The stainless barrel and rod resist mild corrosion and washdown environments. With a safe working load around 147 N, it lifts about 12.5 kg vertically with a 2:1 margin. The -S suffix equips the piston with a magnet for CMSG, DMSG, or EMSG position switches.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X270SCM |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 270 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. |
| ×270 | 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 decelerate a 12 kg package diverter at the end of a 270 mm stroke, minimizing mechanical shock on the conveyor frame.
Leverages the 245.3 N push force to fold heavy corrugated flaps, while the stainless construction withstands mildly humid packing environments.
Applies a consistent clamping force for bearing insertion, relying on the 1/8 inch port and ISO 6432 dimensions for easy retrofitting into existing machinery.
When sizing this 25 mm bore, stepping down to the MIC20 yields 157.0 N push at 0.5 MPa, while stepping up to the MIC32 provides 402.2 N. Choose this model when moving loads at high speed where the adjustable air cushion is essential to prevent impact damage. For applications requiring exact position holding on air loss, remember the cushion only decelerates near the stroke end and acts as neither a lock nor a brake; install an external rod lock or pilot check valve for secure load holding. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion, while the integrated magnet supports CMSG, DMSG, and EMSG sensors.
Quick checklist
This 25 mm bore cylinder features a 10 mm rod, M10x1.25 male thread, and a 1/8 inch port. It delivers 245.3 N push and 206.1 N pull at 0.5 MPa, 343.4 N push and 288.5 N pull at 0.7 MPa, with a theoretical maximum of 50 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa, speed is 30-800 mm/s, and it has a CM round rear cover.
No, the adjustable air cushion only decelerates the piston near the end of the stroke to reduce shock; it is not a brake or lock. The piston will drift if air is lost. To hold a load securely, you must use an external rod lock or a pilot-operated check valve. The -S magnet allows CMSG, DMSG, and EMSG sensors for position verification.
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