Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X60SU
The AirTAC Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X60SU is a genuine single acting, pull (spring return) 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 typeSingle acting, pull (spring return)
- Rod threadM12×1.25
- CushionFixed TPU bumper pads
About the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X60SU
Delivering 466.8 N of pull force at 0.5 MPa, this stainless round-body mini cylinder uses an internal spring to keep the rod extended at rest, while compressed air retracts it. Because the rod stays out during an air loss, it acts as a fail-safe extend mechanism for normally-engaged stops and hold-downs. The 1/4" port and M12x1.25 male rod thread equip this Ø40 mm bore for heavy-duty mini tasks, and the stainless barrel and rod resist mild corrosion and washdown environments.
This single-acting design uses just one air line to pull the load, saving air and simplifying valve routing. It requires at least 0.2 MPa of input pressure to overcome the return spring and begin retracting. For sizing, this bore offers a safe working load of about 280 N, or a vertical pull capacity of roughly 23.8 kg with a 2:1 safety margin. Fixed TPU bumper pads soften the stroke ends, though they do not lock the load mid-stroke.
Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X60SU Technical Specifications
| Model | Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X60SU |
|---|---|
| Series | MTI mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 60 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 MTI40X60SU
| MTI | round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 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 MTI Single Acting Stainless Steel Mini Cylinder MTI40X60SU Is Used
Heavy Hold-Down Clamps
Keeps a 23 kg workpiece clamped under spring pressure; air retracts the rod to release the part, ensuring the clamp stays engaged if air pressure drops.
Fail-Safe Safety Gates
Holds a heavy guard door closed by default with 466.8 N of spring force, retracting only when compressed air is applied to open the barrier.
Tensioning Mechanisms
Maintains constant belt or web tension in packaging lines, pulling back against the load pneumatically when tension adjustments are needed.
Is the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI40X60SU the Right Cylinder?
When sizing by pull force, this Ø40 bore generates 466.8 N at 0.5 MPa, offering a step up from the Ø32 bore which provides 295.6 N. As the largest standard mini size, there is no larger bore to step up to within this series. You must supply at least 0.2 MPa to beat the internal spring and retract the rod. The 60 mm stroke sits well within the 80 mm spring-limited standard for this bore.
This MTI40X60SU variant includes a piston magnet (-S) for use with CMSG, DMSG or EMSG sensors, and features a U-type 90-degree back cover. Mounting options include LB foot, FA flange, SDB pivot-block, and TC trunnion. Without the -S suffix, a SKU cannot accept any sensors.
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 MTI40X60SU FAQ
It provides 466.8 N of pull force at 0.5 MPa and 677.9 N at 0.7 MPa. It requires a minimum of 0.2 MPa to overcome the internal spring. Because it is a single-acting pull cylinder, the spring extends the rod at rest, meaning the cylinder rests in the extended position.
Yes, the -S suffix indicates a built-in piston magnet, allowing you to mount CMSG, DMSG, or EMSG reed or electronic sensors. A SKU without the -S suffix cannot accept sensors. It is a single-acting spring-return cylinder, not double-acting.
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