Airtac MI25~40 Stainless Steel Mini Cylinder MI40X60SUTC
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI40X60SUTC is a genuine double acting 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.
- BoreØ40 mm
- Stroke60 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- 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 MI40X60SUTC
Delivering 628.3 N of push force at 0.5 MPa, this double-acting round-body mini cylinder handles heavy-duty actuation where smaller bores stall. The stainless-steel barrel and Ø16 mm rod shrug off mild corrosion, giving it a real edge over painted-steel alternatives in damp or washdown-prone environments. Because the Ø40 bore exceeds the ISO 6432 standard envelope, it is built strictly as a robust round-body unit rather than a drop-in mini bracket size. Fixed TPU bumper pads absorb the stroke-end impact to protect your mechanics, while the integrated piston magnet allows direct mounting of CMSG, DMSG or EMSG sensors.
For practical sizing, plan for a safe working load of roughly 377 N rather than the absolute maximum, which translates to lifting about 32 kg vertically with a sensible 2:1 safety margin. The 1/4" port feeds air efficiently to maintain the 30-800 mm/s speed range, and the rear U-style 90-degree cover pairs with the TC trunnion accessory to handle pivoting loads smoothly.
Airtac MI25~40 Stainless Steel Mini Cylinder MI40X60SUTC Technical Specifications
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI40X60SUTC |
|---|---|
| Series | MI mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 60 mm |
| Acting type | Double acting |
| 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.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 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 MI40X60SUTC
| MI | round-body mini cylinder (double-acting). |
|---|---|
| 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.
Where the Airtac MI25~40 Stainless Steel Mini Cylinder MI40X60SUTC Is Used
Stamping Press Ejection
Uses the 628.3 N push force to knock heavy stamped metal parts out of a die, where the stainless build resists cutting fluid splash.
Pallet Diverter Arm
Swings via the TC trunnion mount to reroute heavy logistics pallets on a high-speed sorting line without risking side-load damage.
Bulk Container Lid Clamp
Holds industrial drum lids closed during filling, relying on the 527.8 N pull force at 0.5 MPa to secure the heavy cover securely.
Is the Airtac MI25~40 Stainless Steel Mini Cylinder MI40X60SUTC the Right Cylinder?
When sizing this 40 mm bore, stepping down to the Ø32 model reduces the push force to 402.2 N at 0.5 MPa, whereas this Ø40 provides 628.3 N; since 40 is the largest available MI bore, moving beyond this capacity requires a different cylinder family entirely. The 60 mm stroke keeps the rod compact, minimizing side-load bending moments even under offset forces. Remember that venting the air supply causes the piston to drift, as the TPU bumpers only decelerate the end of travel rather than locking the rod; incorporate an external pilot-operated check valve if you need to freeze a load mid-stroke.
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 MI40X60SUTC FAQ
This double-acting cylinder features a 1/4" air port and an M12x1.25 male rod thread. It generates 628.3 N push and 527.8 N pull at 0.5 MPa, increasing to 879.6 N push and 738.9 N pull at 0.7 MPa, with a theoretical maximum of 128.1 kgf at 1.0 MPa.
No, the fixed TPU bumper pads only decelerate the piston near the stroke end and do not act as a brake. If air is lost or the valve is centered, the rod will drift; for vertical loads, you must add an external rod lock or a pilot-operated check valve.
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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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