
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X20SCA is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 20mm 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 brings needle-set air cushioning to both stroke ends. Tuning the cushion decelerates the payload smoothly at high speeds, eliminating the harsh impact and noise typical of fixed-bumper designs. The Ø25 bore uses an ISO 6432 mounting interface, dropping directly into standard mini-cylinder brackets and clevises.
The stainless barrel and rod resist mild corrosion and washdown environments. Equipped with a built-in piston magnet (-S), it supports CMSG, DMSG, and EMSG position switches. Based on the 0.5 MPa thrust, expect a safe working load of roughly 147 N, meaning it lifts about 12.5 kg vertically with a 2:1 safety margin. The CA rear pivot cover provides a clevis mount, and the 1/8" port ensures reliable airflow.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X20SCA |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 20 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. |
| ×20 | 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.
Snaps small cartons off a high-speed belt using the 245 N thrust, relying on the tuned air cushion to stop the 20 mm stroke gently without jarring the mechanism.
Drives a sealing jaw in a washdown-prone packaging zone where the stainless build resists moisture and the cushioning prevents crushing delicate film webs.
Applies a precise 147 N working load to seat small bearings, using the ISO 6432 mounting interface to integrate cleanly into existing clevis fixtures.
For lighter payloads, the Ø20 bore offers 157 N of push at 0.5 MPa, while stepping up to the Ø32 bore yields 402 N if you need more thrust. Choose this Ø25 model when moving masses at high speeds where the adjustable air cushion is essential to absorb end-of-stroke kinetic energy. The cushion needle only decelerates the load near the stroke end; it does not function as a brake or lock. If the application must hold position during air loss, add an external rod lock or pilot check valve.
The CA back cover supplies a rear pivot for articulated mounting. Because this SKU includes the -S magnet, you can directly mount CMSG, DMSG, or EMSG sensors for end-of-stroke detection.
Quick checklist
This double-acting cylinder pushes with 245.3 N and pulls with 206.1 N at 0.5 MPa. At 0.7 MPa, push is 343.4 N and pull is 288.5 N. The theoretical maximum force is 50 kgf at 1.0 MPa. It features a 1/8" air port.
Yes, the -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG switches. The adjustable air cushion at both ends only decelerates the piston near stroke end to reduce shock; it is not a brake and will not hold the load on air loss.
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