Airtac MI25~40 Stainless Steel Mini Cylinder MI32X170SU
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI32X170SU is a genuine double acting round-body mini air cylinder with a Ø32mm bore and 170mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ32 mm
- Stroke170 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MI25~40 Stainless Steel Mini Cylinder MI32X170SU
Delivering 402.2 N of push force at 0.5 MPa, the AirTAC MI32X170SU is a robust round-body mini cylinder built for demanding actuation. It features a stainless-steel barrel and piston rod that shrug off mild corrosion, making it far superior to painted alternatives in damp washdown environments. The 1/8" port feeds the 32 mm bore, while the integrated U back cover provides a 90-degree mounting orientation for tight machinery layouts.
This double-acting actuator comes with a built-in magnet (-S) for direct CMSG, DMSG or EMSG sensor mounting. Fixed TPU bumper pads absorb end-of-stroke impacts, though they decelerate rather than actively cushion the load. For practical sizing, plan for roughly 241 N of usable work at 0.5 MPa, which translates to safely lifting about 20.5 kg vertically with a 2:1 safety margin.
Airtac MI25~40 Stainless Steel Mini Cylinder MI32X170SU Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI32X170SU |
|---|---|
| Series | MI mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 170 mm |
| Acting type | Double acting |
| 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 | 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 | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MI25~40 Stainless Steel Mini Cylinder MI32X170SU
| MI | round-body mini cylinder (double-acting). |
|---|---|
| 32 | Bore size in mm. |
| ×170 | 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 MI25~40 Stainless Steel Mini Cylinder MI32X170SU Is Used
Package Diverting Gate
Actuates a heavy routing flap on a logistics conveyor, using the 402.2 N push force to reliably redirect boxed goods weighing up to 20 kg at high cycle rates.
Volumetric Fill Valve
Opens and closes a large dispensing nozzle on a liquid filling line, where the stainless build resists daily washdown chemicals and the U cover allows compact 90-degree mounting.
Pallet Stopper Arm
Extends 170 mm to halt pallets at a packaging station, relying on the fixed TPU bumpers to absorb the repeated kinetic impact without damaging the assembly.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI32X170SU the Right Cylinder?
Sizing this 32 mm bore requires balancing the 402.2 N push rating against your actual payload. If your task needs less force, the Ø25 model provides 245.3 N; stepping up to the Ø40 yields 628.3 N at the same 0.5 MPa. Because this 170 mm stroke is relatively long, ensure your mounting configuration—whether LB foot, FA flange or TC trunnion—prevents rod side-loading and premature bending.
The U-type rear cover dictates a 90-degree pivot, so verify your spatial envelope. Remember that a standard double-acting cylinder drifts when air pressure is lost or the valve is centered; the bumpers only soften the stroke end and will not act as a brake. For suspended loads that must hold position, install an external rod lock or a pilot-operated check valve.
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 MI25~40 Stainless Steel Mini Cylinder MI32X170SU FAQ
This 32 mm bore cylinder features a 1/8" port and generates 402.2 N push and 345.6 N pull at 0.5 MPa. At 0.7 MPa, push increases to 563 N and pull to 483.8 N. The theoretical maximum force is 82 kgf at 1.0 MPa.
No, the piston will drift if air is lost or the valve is centered. The fixed TPU bumper pads only decelerate the stroke end and do not function as a locking brake. You must add an external rod lock or pilot check valve to hold a vertical load.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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