
The AirTAC Airtac MID Series Double Rod Mini Cylinder MID40X60S is a genuine double acting, double rod round-body mini air cylinder with a Ø40mm bore and 60mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
With a piston rod exiting both end covers, the AirTAC MID40X60S produces 527.8 N of force at 0.5 MPa in both directions - there is no stronger push stroke because each face sees the rod-side area. This 40 mm bore round-body stainless mini cylinder suits washdown areas where mild corrosion resistance matters, and the twin rods resist rotation for steadier guiding without an external guide on light jobs.
The fixed TPU bumper pads soften the stroke ends but do not lock the load - the piston drifts if air pressure is lost. The -S suffix means a built-in piston magnet is present, so CMSG, DMSG, or EMSG switches can mount on the barrel for position sensing. Air ports are 1/4" with PT thread as standard (G optional), and the male rod thread is M12x1.25.
| Model | Airtac MID Series Double Rod Mini Cylinder MID40X60S |
|---|---|
| Series | MID mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 60 mm |
| Acting type | Double acting, double rod |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 | Fixed TPU bumper pads |
| 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. Note: the Ø40 bore is a larger, non-ISO-6432 size.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
| MID | round-body mini cylinder (double-rod). |
|---|---|
| 40 | Bore size in mm. |
| ×60 | 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.
Move a 25 kg workpiece back and forth between two stations with identical 527.8 N force each way, keeping cycle times consistent in both directions.
Mount a hard stop or flag on the rear rod end to physically limit travel or trigger a limit switch, using the same stroke that pushes the product forward.
Push components into a press or assembly fixture with the twin rod resisting rotation, holding alignment without needing an external guide rail for light loads.
At 40 mm bore, this is the largest MID size - there is no bigger bore in the series. If you need less force, the MID32X60S delivers 345.6 N at 0.5 MPa, which may suit lighter indexing tasks and offers a smaller envelope. The double rod shines when you need equal push and pull, a back rod end to trip a switch or carry a stop, or resistance to rotation from side loads.
For a 2:1 safety margin, this cylinder moves about 26.9 kg vertically each way at 0.5 MPa. It will not hold a load on air loss - use an external rod lock or pilot-operated check valve for that. Mounting options include LB foot, FA flange, and TC trunnion, but the SDB pivot block is not available on this double-rod variant. The -S magnet enables CMSG, DMSG, or EMSG sensors.
Quick checklist
Force is equal in both directions because a rod occupies each side. At 0.5 MPa it delivers 527.8 N, and at 0.7 MPa it delivers 738.9 N. Maximum theoretical force at 1.0 MPa is 107.6 kgf. Operating pressure range is 0.15 to 1.0 MPa.
Yes, the -S suffix means the piston has a built-in magnet, so you can mount CMSG, DMSG, or EMSG switches on the barrel. The stainless steel round body resists mild corrosion, and the 1/4" ports accept standard fittings. Note that the bumper pads only soften stroke ends - they do not hold a load on air loss.
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