Airtac MID Series Double Rod Mini Cylinder MID32X250S
The AirTAC Airtac MID Series Double Rod Mini Cylinder MID32X250S is a genuine double acting, double rod round-body mini air cylinder with a Ø32mm bore and 250mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ32 mm
- Stroke250 mm
- Port size1/4"
- Acting typeDouble acting, double rod
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MID Series Double Rod Mini Cylinder MID32X250S
Delivering 345.6 N of thrust at 0.5 MPa in both directions, the AirTAC MID32X250S is a robust round-body mini cylinder built for symmetrical actuation. Because a Ø12 mm piston rod exits both end covers, the extend and retract forces are identical, eliminating the force differential found in single-rod units. The twin-rod architecture inherently resists rotation and side loads, providing stable guiding for light-duty tasks without needing an external guide rail.
This stainless-steel, riveted construction withstands mild corrosion and washdown environments. It features a 1/4" port and a 250 mm stroke. With a safe working load around 207 N, it can vertically lift roughly 17.6 kg with a 2:1 safety margin. The built-in magnet (-S) supports CMSG, DMSG, and EMSG sensors, while fixed TPU bumpers decelerate the stroke ends.
Airtac MID Series Double Rod Mini Cylinder MID32X250S Technical Specifications
| Model | Airtac MID Series Double Rod Mini Cylinder MID32X250S |
|---|---|
| Series | MID mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 250 mm |
| Acting type | Double acting, double rod |
| Port size | 1/4" |
| 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 | 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 Ø32 bore is a larger, non-ISO-6432 size.
Theoretical Output Force (Ø32mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 346 N |
| 0.7 MPa | 484 N |
| Max (@1.0 MPa) | 70 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac MID Series Double Rod Mini Cylinder MID32X250S
| MID | round-body mini cylinder (double-rod). |
|---|---|
| 32 | 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.
Where the Airtac MID Series Double Rod Mini Cylinder MID32X250S Is Used
Dual-End Conveyor Divert
Uses the equal 345.6 N force to push packages smoothly from either side, with the twin rod preventing binding during rapid diverting at 250 mm stroke.
Symmetric Shuttle Transfer
Drives a 250 mm shuttle mechanism where both ends must deliver identical 483.8 N retract and extend forces at 0.7 MPa to move workpieces between stations.
Guided Stopping Gate
Acts as a 250 mm travel gate where the rear protruding rod trips a CMSG sensor flag, leveraging the anti-rotation properties for precise stopping.
Is the Airtac MID Series Double Rod Mini Cylinder MID32X250S the Right Cylinder?
When sizing this 32 mm bore, step down to a MID25 (206.1 N @0.5 MPa) for lighter loads, or step up to a MID40 (527.8 N @0.5 MPa) if you need more power. The double-rod design is ideal when you need anti-rotation stability, want to mount a stop or switch on the back rod end, or need to drive two synchronized loads. For mounting, choose LB foot, FA flange, or TC trunnion brackets, as the SDB pivot block is not offered on this variant. Position holding is not possible on air loss, as the piston will drift and the TPU bumpers only soften the end of stroke; add an external rod lock or pilot check valve for suspended loads.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MID Series Double Rod Mini Cylinder MID32X250S FAQ
It delivers equal force both ways because the double-rod design uses the rod-side area on both faces. Thrust is 345.6 N at 0.5 MPa, 483.8 N at 0.7 MPa, with a maximum theoretical force of 70.5 kgf at 1.0 MPa.
Yes, the -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG switches. However, it cannot hold a load on air loss; the piston drifts, so you need an external rod lock or pilot check valve for suspended loads.
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