
The AirTAC Airtac MTF Mini Cylinder MTF25X100CA 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.
Generating 153.6 N of pull at 0.5 MPa, this AirTAC MTF25X100CA mini cylinder is built for single-acting tension, clamping, and air-close operations. A built-in spring holds the piston rod in the extended position, while supplying air to the 1/8" port retracts it. Because the spring constantly pushes outward, the cylinder automatically fails to the extended state if air pressure drops, providing a mechanical fail-safe. The quoted pull force is already net of the spring resistance.
The JIS-standard round-body construction utilizes a SUS304 stainless steel barrel and riveted aluminium covers, offering a shorter overall mounting length than a comparable ISO 6432 unit. It relies on fixed TPU bumper pads for end-of-stroke deceleration rather than an adjustable air cushion. This specific SKU lacks the -S magnet option, meaning it cannot host CMSG, DMSG, or EMSG magnetic switches. For sizing, the internal spring yields a safe working load of roughly 92 N, which translates to lifting or holding about 7.8 kg vertically with a 2:1 safety margin.
| Model | Airtac MTF Mini Cylinder MTF25X100CA |
|---|---|
| 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.
| 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.
| 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.
Uses the spring to keep a guard door securely closed, using the 153.6 N air-pull to open it only when the machine cycle is safe.
Maintains steady cable or web tension by holding the rod extended, retracting via the 1/8" port to pay out slack on demand.
Keeps a diverter flap pushed out into the flow path during an air loss event, relying on the mechanical spring to drive the 100 mm stroke open.
Choose this 25 mm bore if your mechanism requires a spring-open, air-close action with a 100 mm stroke. When sizing both ways, step down to the MTF20 if 93.4 N of pull at 0.5 MPa is sufficient, or step up to the MTF32 for 266.8 N. The cylinder requires a minimum operating pressure of 0.2 MPa to overcome the internal spring, with a maximum of 1.0 MPa. The CA rear pivot cover is standard here, and you can pair it with LB foot, FA flange, or TC trunnion mounts. Because this is a non-magnet SKU, position sensing is impossible; order an MTF25X100-S variant if you need CMSG or DMSG switches.
Quick checklist
It provides a single-acting pull force of 153.6 N at 0.5 MPa and 236 N at 0.7 MPa. A minimum operating pressure of 0.2 MPa is required to overcome the return spring.
No, this SKU does not include a magnet (-S), so CMSG, DMSG, or EMSG switches cannot be used. Additionally, the spring always extends the rod on air loss; it cannot hold a mid-stroke load.
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