
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X700SU is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 700mm 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.
Designed for high-speed actuation over long reaches, this double-acting stainless-steel round-body mini cylinder features an adjustable air cushion at both ends. By turning the cushion needle, you tune the end-of-stroke deceleration to absorb shock and reduce noise, outperforming fixed bumper designs. The 700 mm stroke is a non-standard, made-to-order length exceeding the 500 mm catalog maximum for this bore.
At the 25 mm bore class, the unit generates 245.3 N of push force and 206.1 N of pull force at 0.5 MPa. This translates to a safe working load of roughly 147 N, or the ability to lift about 12.5 kg vertically with a 2:1 safety margin. The stainless barrel and piston rod resist mild corrosion and washdown environments, while the U-style 90-degree rear cover simplifies port and mounting orientation. It uses a 1/8 inch port and an M10x1.25 male rod thread.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X700SU |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 700 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. |
| ×700 | 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.
Pushes packages across a wide conveyor belt using the full 700 mm stroke, relying on the adjustable air cushion to stop the 245 N thrust smoothly without slamming.
Lowers a 12 kg fixture down a 700 mm vertical path; the needle-set cushion decelerates the drop at the bottom to protect the workpiece from shock.
Ejects bins from tall storage racks where a long extension is required, with the stainless build holding up against humid warehouse conditions.
When sizing this 25 mm bore against adjacent models, stepping down to the MIC20X50 drops the 0.5 MPa push force to 157 N, whereas moving up to the MIC32X75S raises it to 402 N. Choose this specific bore when your application requires that middle-ground force output. The adjustable air cushion is essential here: at high speeds or when moving heavier masses over the extended 700 mm travel, the needle-set deceleration prevents harsh impacts. Because a 700 mm stroke exceeds the 500 mm standard maximum, expect a non-standard, made-to-order part.
Remember that the air cushion only decelerates the piston near the stroke end; it does not function as a lock or brake. If the air supply drops, the piston will drift, so fit an external rod lock or pilot-operated check valve to hold a suspended load. This SKU includes the -S magnet, enabling CMSG, DMSG, or EMSG position switches. You can mount it using LB foot, FA flange, SDB pivot, or TC trunnion hardware.
Quick checklist
This 25 mm bore cylinder uses a 1/8 inch port. 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.
No. The adjustable air cushion only decelerates the piston near the stroke end and acts purely as a shock absorber, never as a brake. If air pressure drops, the piston will drift, so you must use an external rod lock or pilot check valve to hold a suspended load. The -S magnet allows CMSG, DMSG, or EMSG sensors for position confirmation.
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