
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X150U is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 150mm 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 MIC25X150U is a double-acting, round-body stainless-steel mini cylinder built for a 150 mm stroke. It features a 1/8" port and a male M10x1.25 rod thread. The U suffix denotes a 90-degree rear cover, altering the port and mounting orientation for compact installations. Because the bore is Ø25, it conforms to the ISO 6432 mounting interface, dropping directly into standard mini-cylinder brackets and clevises.
A defining trait of the MIC series is the adjustable air cushion at both ends. By turning a needle valve, you tune the deceleration to absorb high-speed end-of-stroke shock, protecting the load and reducing noise compared to a fixed bumper. The stainless barrel and rod resist mild corrosion and washdown environments. This non-magnet SKU cannot accept a position sensor; adding the -S option enables CMSG, DMSG, or EMSG switches. For vertical loads, it safely lifts about 12.5 kg with a 2:1 margin.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X150U |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 150 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. |
| ×150 | 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.
Handles light carton diversion on a conveyor where the 245 N push force and tuned end-cushions prevent jarring stops at 800 mm/s.
Moves a filler nozzle up and down 150 mm, using the U-style 90-degree cover to save space while the cushion prevents liquid splashing.
Ejects machined parts from a fixture, leveraging the 12.5 kg vertical lift capacity and stainless build for mild washdown resistance.
When sizing this 25 mm bore, stepping down to the MIC20 drops the 0.5 MPa push force to 157 N, while stepping up to the MIC32 raises it to 402 N. Choose this model when operating at high speeds up to 800 mm/s where the adjustable air cushion is essential to smoothly stop the piston without a hard impact. The U-style 90-degree back cover offers flexible routing in tight spaces.
Remember that the air cushion only decelerates the piston near the stroke end; it is not a brake. If air pressure drops, the piston will drift, so you must add an external rod lock or pilot-operated check valve to hold a load securely. Without the -S magnet suffix, this specific unit cannot support magnetic sensing.
Quick checklist
This 25 mm bore cylinder uses a 1/8" port. At 0.5 MPa it pushes 245.3 N and pulls 206.1 N. At 0.7 MPa it pushes 343.4 N and pulls 288.5 N. The theoretical maximum force is 50 kgf at 1.0 MPa.
No, this specific SKU lacks a magnet and cannot accept CMSG, DMSG, or EMSG switches. You must select the -S variant for sensing. The adjustable air cushions at both ends only decelerate the load and do not function as a lock or brake.
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