Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI32X40SCM
The AirTAC Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI32X40SCM is a genuine single acting, pull (spring return) round-body mini air cylinder with a Ø32mm bore and 40mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ32 mm
- Stroke40 mm
- Port size1/4"
- Acting typeSingle acting, pull (spring return)
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI32X40SCM
Delivering a 295.6 N pull force at 0.5 MPa, this AirTAC round-body mini cylinder uses a single-acting pull design where compressed air retracts the rod and an internal spring pushes it back out. Because the spring holds the rod extended at rest, the mechanism naturally fails safe if air pressure drops, keeping hold-downs or gates engaged. The stainless steel barrel and piston rod supply mild corrosion resistance for washdown environments.
Equipped with a 1/4 inch port and a 12 mm piston rod, this unit includes a CM round rear cover and a built-in magnet for position sensing. It requires at least 0.2 MPa of input pressure to overcome the return spring and retract the load. For sizing purposes, it provides a safe working load of roughly 177 N, or a vertical lift capacity of about 15.1 kg when applying a 2:1 safety margin.
Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI32X40SCM Technical Specifications
| Model | Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI32X40SCM |
|---|---|
| Series | MTI mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 40 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/4" |
| Rod thread | M10×1.25 |
| 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 Ø32 bore is a larger, non-ISO-6432 size.
Theoretical Output Force (Ø32mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 295.6 N |
| 0.7 MPa | 388.8 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 MTI32X40SCM
| MTI | round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 32 | Bore size in mm. |
| ×40 | 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 MTI32X40SCM Is Used
Fail-Safe Hold-Down Clamp
Uses the spring-extended rest state to maintain 177 N of clamping pressure on a part during an air loss event, with air retracting the rod to load the next component.
Normally-Closed Safety Gate
Keeps a heavy machine access door shut by default, requiring 0.2 MPa of air pressure to pull the 12 mm rod back and allow operator entry.
Tensioning Diverter
Applies up to 295.6 N of retract tension to guide items on a conveyor line, relying on the 1/4 inch port for rapid 50-800 mm/s cycling.
Is the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI32X40SCM the Right Cylinder?
When sizing by pull force, this 32 mm bore generates 295.6 N at 0.5 MPa, sitting comfortably above the 151.1 N output of the 25 mm bore but below the 466.8 N peak of the 40 mm variant. Remember that the internal spring extends the rod by default, so you only need one air line to pull it back, provided you supply at least 0.2 MPa to beat the spring tension. The 40 mm stroke sits well within the 80 mm standard travel limit for this bore size.
This configuration features the -S magnet option, allowing you to mount CMSG, DMSG, or EMSG sensors for stroke confirmation. The CM back cover dictates the rear mounting and port orientation, and you can pair the body with LB foot, FA flange, SDB pivot-block, or TC trunnion hardware to fit your frame.
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 MTI32X40SCM FAQ
It delivers a 295.6 N pull force at 0.5 MPa and 388.8 N at 0.7 MPa. The rod rests extended via an internal spring and requires at least 0.2 MPa of air pressure to retract. It operates between 0.2 and 1.0 MPa at speeds of 50-800 mm/s.
Yes, the S in the model code indicates a built-in piston magnet, making it compatible with CMSG, DMSG, and EMSG switches. A non-S SKU cannot accept these sensors.
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