Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI25X75CA
The AirTAC Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI25X75CA is a genuine single acting, pull (spring return) round-body mini air cylinder with a Ø25mm bore and 75mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ25 mm
- Stroke75 mm
- Port size1/8"
- Acting typeSingle acting, pull (spring return)
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI25X75CA
Delivering 151.1 N of net pull force at 0.5 MPa, this stainless-steel round-body mini cylinder uses an internal spring to keep the rod extended at rest. Compressed air entering the 1/8 inch port retracts the 10 mm rod, making it a fail-safe extend actuator that stays forward if air pressure drops. The Ø25 mm bore conforms to ISO 6432 mounting dimensions, dropping into standard mini brackets and clevises.
Because the spring constantly pushes out, you need at least 0.2 MPa of air to overcome it and pull the load back. This CA back-cover variant includes a rear pivot for clevis mounting. Without the -S option it lacks a magnet, so it cannot host CMSG or DMSG sensors. For sizing, expect a safe working load of roughly 91 N, or about 7.7 kg of vertical pull with a 2:1 safety margin.
Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI25X75CA Technical Specifications
| Model | Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI25X75CA |
|---|---|
| Series | MTI ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/8" |
| 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.
Theoretical Output Force (Ø25mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 151.1 N |
| 0.7 MPa | 233.5 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 MTI25X75CA
| MTI | ISO 6432 round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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 MTI25X75CA Is Used
Fail-Safe Hold-Down
Keeps a clamping arm extended over a part by spring force, ensuring the workpiece stays held even if shop air drops, using its 151 N pull to retract and release.
Normally-Closed Gate
Blocks a conveyor lane by default with the rod extended, pulling the gate open only when 0.2 MPa or higher air pressure is applied to clear the path.
Tensioning Mechanism
Maintains steady tension on a belt or filament strand by resting extended, using the 75 mm stroke to pull back and slacken the line during changeovers.
Is the Airtac MTI Single Acting Stainless Steel Mini Cylinder MTI25X75CA the Right Cylinder?
Size this actuator strictly by its pneumatic pull force, as extension is spring-only. At 0.5 MPa this Ø25 bore yields 151.1 N of pull; stepping down to a Ø20 bore drops the pull to 94.4 N, while a larger Ø32 bore raises it to 295.6 N. Choose this 75 mm stroke if your travel stays within the 80 mm spring-limited standard for this bore.
Remember the fail-safe nature: the rod remains extended on air loss, so it works well for normally-closed gates but will not hold a mid-stroke load. The fixed TPU bumpers soften the end of stroke but do not lock the piston. If you need position sensing, select the -S magnet version to enable switches.
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 MTI25X75CA FAQ
It provides 151.1 N of pull at 0.5 MPa and 233.5 N at 0.7 MPa. It requires at least 0.2 MPa to overcome the internal spring. The cylinder is single-acting pull type, meaning the rod rests in the extended position and retracts when air is applied.
No, this specific SKU lacks the internal magnet. You must order the -S variant to use CMSG, DMSG, or EMSG sensors. The stainless steel construction resists mild corrosion, and the CA cover provides a rear pivot mount.
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