Airtac MTF Mini Cylinder MTF25X100U
The AirTAC Airtac MTF Mini Cylinder MTF25X100U is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 100mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel for mildly corrosive environments. For the same bore and stroke it is shorter than an ISO 6432 cylinder, saving mounting space.
- BoreØ25 mm
- Stroke100 mm
- Port size1/8"
- Acting typeSingle acting, pull (spring return)
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MTF Mini Cylinder MTF25X100U
Generating 153.6 N of pull force at 0.5 MPa, this AirTAC MTF25X100U is a JIS-standard round-body mini cylinder built for single-acting tension and return-to-extended fail-safe tasks. The internal spring constantly pushes the 10 mm rod out to its 100 mm stroke, while supplying air to the 1/8 inch port retracts the load. Because the spring holds the rod out, any drop in air pressure automatically drives the mechanism back to its extended rest state.
The SUS304 stainless steel barrel and riveted aluminium covers resist mild washdown corrosion while keeping the overall body shorter than a comparable ISO 6432 unit. This specific SKU lacks a magnet, so it cannot host CMSG, DMSG, or EMSG sensors without switching to an -S variant. End-of-stroke deceleration relies on fixed TPU bumper pads rather than an adjustable cushion. Factoring a 2:1 safety margin, the 153.6 N pull translates to an effective vertical lift capacity of about 7.8 kg.
Airtac MTF Mini Cylinder MTF25X100U Technical Specifications
| Model | Airtac MTF Mini Cylinder MTF25X100U |
|---|---|
| Series | MTF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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 150 mm |
Specifications follow the official AirTAC MF/MFC (JIS-standard) datasheet. Barrel: SUS304 stainless steel; covers: aluminum alloy (round-body, riveted rolling-packed construction). Thread options: PT (blank) / G / NPT.
Theoretical Output Force (Ø25mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 153.6 N |
| 0.7 MPa | 236.0 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 MTF Mini Cylinder MTF25X100U
| MTF | JIS-standard round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MF-family variants: MF / MFC (double acting ±cushion), MSF / MTF (single acting push / pull), MFD / MFCD (double rod ±cushion), MFJ / MFCJ (adjustable stroke ±cushion). Back covers CA / U / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MTF Mini Cylinder MTF25X100U Is Used
Tensioning Systems
Uses the 153.6 N pull force to maintain constant belt or web tension, releasing the load only when air is applied to retract the rod.
Fail-Safe Open Valves
Keeps a gate valve open via spring pressure; air retracts it to the closed position, ensuring the valve opens automatically on air loss.
Carton Ejectors
Holds a packaging pusher extended at rest, pulling it back to clear the path when a 1/8 inch pneumatic signal is applied.
Is the Airtac MTF Mini Cylinder MTF25X100U the Right Cylinder?
When sizing this 25 mm bore, compare its 153.6 N pull force at 0.5 MPa against adjacent bores: step down to the MTF20 for 93.4 N, or step up to the MTF32 for 266.8 N. Choose this single-acting pull configuration when a mechanism must fail-safe to the extended position, such as spring-open clamping or air-close gates. Ensure your supply meets the 0.2 MPa minimum floor required to overcome the spring. The U flat-end back cover suits direct mounting, and you can pair it with LB foot, FA flange, SDB pivot, or TC trunnion brackets. Remember that this non-magnet version cannot support position sensing.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/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/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MTF Mini Cylinder MTF25X100U FAQ
It provides a net pull force of 153.6 N at 0.5 MPa and 236 N at 0.7 MPa. The operating pressure ranges from 0.2 to 1.0 MPa, with 0.2 MPa being the minimum required to overcome the internal return spring.
The spring constantly extends the rod, so an air loss drives the cylinder to its fully extended rest position. It cannot hold a mid-stroke load; for that, use a double-acting MF cylinder with an external rod lock. Also, this non-S SKU has no magnet for sensors.
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1-Year Warranty
Covers non-human-caused product damage.
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