
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC25X250U is a genuine double acting + cushion round-body mini air cylinder with a Ø25mm bore and 250mm 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.
Soaking up end-of-stroke shock at high speeds, the AirTAC MIC25X250U relies on a needle-set variable air cushion at both ends to protect your payload. This double-acting, round-body stainless steel mini cylinder pushes with 245.3 N and pulls with 206.1 N at 0.5 MPa, conforming to the ISO 6432 mounting interface for standard brackets. The U rear cover provides a 90-degree port orientation for tight layouts.
With a 25 mm bore and 250 mm stroke, it moves a 10 mm piston rod via a 1/8" port. The stainless barrel and rod resist mild corrosion and washdown. For vertical moves, expect a safe lift of about 12.5 kg using a 2:1 margin. Note this SKU lacks a magnet, so it cannot take CMSG or DMSG switches; choose the -S variant for sensing.
| Model | Airtac MIC Cushioned Mini Cylinder MIC25X250U |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 250 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. |
| ×250 | 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 245.3 N push force to redirect parcels on a high-speed line, relying on the adjustable air cushion to stop the 250 mm stroke quietly without jarring the belt.
Drives a sealing head up and down continuously, where the needle-set cushion absorbs the repeated end-of-stroke impact to prolong machine life.
Lifts a 12.5 kg access flap on a storage cabinet, using the U rear cover for a 90-degree port feed in a confined overhead space.
When sizing this 245.3 N push class, dropping down to the MIC20 moves you to 157.0 N at 0.5 MPa, while stepping up to the MIC32 yields 402.2 N. The adjustable cushion matters most when cycling heavy loads near the 800 mm/s limit, as it decelerates the mass smoothly instead of slamming it. Remember the cushion only eases the stop; it is not a brake.
If air pressure drops, the piston will drift because a standard cylinder does not hold position, so add an external rod lock or pilot check valve for suspended loads. Mounting options include LB foot, FA flange, and TC trunnion blocks. Because this specific SKU has no -S magnet, position sensing is unavailable unless you switch to the magnet-equipped version.
Quick checklist
This 25 mm bore cylinder uses a 1/8" port and a 10 mm rod with an M10x1.25 thread. It generates 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 force of 50 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You must select the -S variant for position sensing. The stainless steel build and adjustable air cushion at both ends remain identical.
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