Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U
The AirTAC Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U is a genuine single acting, pull (spring return) round-body mini air cylinder with a Ø40mm bore and 10mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke10 mm
- Port size1/4"
- Acting typeSingle acting, pull (spring return)
- Rod threadM12×1.25
- CushionFixed TPU bumper pads
About the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U
Delivering a robust 466.8 N of pull force at 0.5 MPa, this AirTAC round-body mini cylinder is built for heavy-duty tensioning and retraction tasks. As a single-acting pull type, an internal spring drives the rod out at rest, meaning your tooling stays safely extended even if air pressure drops completely. The stainless-steel barrel and rod resist mild corrosion and washdown environments. A 1/4" port supplies air to retract the rod, while fixed TPU bumper pads soften the end-of-stroke impact.
Because the spring constantly pushes outward, the cylinder requires at least 0.2 MPa of pneumatic pressure to overcome it and pull the load back. This SKU lacks a magnet and cannot host position sensors; you would need the -S variant to use CMSG, DMSG, or EMSG switches. For sizing, its safe working load is roughly 280 N, and it can vertically pull or hold about 23.8 kg with a 2:1 safety margin.
Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U Technical Specifications
| Model | Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U |
|---|---|
| Series | MTI mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 10 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 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 | Pull force (spring return) |
|---|---|
| 0.5 MPa | 466.8 N |
| 0.7 MPa | 677.9 N |
Single-acting pull: the spring extends the rod; air retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
Model Code: Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U
| MTI | round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 40 | Bore size in mm. |
| ×10 | 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 MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U Is Used
Heavy-Duty Hold-Down
Keeps a clamping arm extended over a workpiece by default. Air pulls the arm back to release the part, ensuring the clamp stays engaged during an air loss event.
Normally-Closed Gate
Acts as a robust barrier that springs shut to block a conveyor lane. Compressed air retracts the rod to open the gate and let large packages pass through.
Tensioning Mechanism
Maintains constant outward tension on a belt or cable assembly. The 466.8 N pull force retracts the tensioner to slacken the line for maintenance or adjustments.
Is the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U the Right Cylinder?
When sizing by pull force, this Ø40 bore generates 466.8 N at 0.5 MPa and 677.9 N at 0.7 MPa. If your application requires less force, the next size down is the Ø32 bore, which provides 295.6 N at 0.5 MPa—there is no larger standard bore in this series. The 10 mm stroke sits well within the 80 mm spring-limited maximum for this bore size. Keep in mind the fail-safe extend behavior: air loss leaves the rod extended, and the system needs a minimum of 0.2 MPa to retract it.
This model features a U-style 90-degree back cover for convenient port and mounting orientation. You can pair it with LB foot, FA flange, SDB pivot-block, or TC trunnion hardware. Because this specific SKU does not include the -S magnet option, it cannot support magnetic sensing.
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 0.2 – 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 MTI Single Acting Stainless Steel Mini Cylinder MTI40X10U FAQ
It provides a pull force of 466.8 N at 0.5 MPa and 677.9 N at 0.7 MPa. Because it is a single-acting spring-return cylinder, the rod rests in the extended position and requires at least 0.2 MPa of air pressure to overcome the spring and retract.
No, this specific SKU does not have a magnet. You must order the -S variant to use CMSG, DMSG, or EMSG sensors. It is also strictly single-acting, using air to pull and a spring to extend, unlike double-acting models.
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