
The AirTAC Airtac MTF Mini Cylinder MTF32X100SCA is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø32mm bore and 100mm stroke, 1/4" 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 266.8 N of pull at 0.5 MPa, this 32 mm bore single-acting pull cylinder relies on an internal spring to push the rod out, while compressed air retracts it. Because the spring holds the piston extended at rest, the MTF32X100SCA fails safely to the open position on air loss, fitting right into spring-open and air-close circuits. The quoted pull force is already net of the spring resistance, and a minimum 0.2 MPa operating pressure is required to overcome it.
Built as a JIS-standard round-body mini cylinder, the riveted aluminium covers and SUS304 stainless barrel yield a shorter mounting envelope than an ISO 6432 unit of identical bore and stroke, while resisting mild washdown corrosion. It features a 1/4" port, a 12 mm rod with an M10x1.25 male thread, and fixed TPU bumper pads for end-of-stroke deceleration across its 50-800 mm/s speed range. The CA rear pivot cover supports trunnion mounting, and the included -S magnet enables CMSG, DMSG, or EMSG position sensing. For sizing context, applying a 2:1 safety margin to the 0.5 MPa pull figure gives an effective vertical lift capacity of about 13.6 kg.
| Model | Airtac MTF Mini Cylinder MTF32X100SCA |
|---|---|
| Series | MTF JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 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 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 | 266.8 N |
| 0.7 MPa | 405.0 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). |
|---|---|
| 32 | 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.
Secures a guard gate by pulling it shut with 266.8 N of force at 0.5 MPa, while the internal spring automatically pushes the gate back open if the air supply drops.
Maintains steady belt or web tension in packaging lines, using air to retract the 12 mm rod and the spring to apply a consistent extended holding load.
Hoists light fixtures or components weighing up to 13.6 kg vertically, relying on pneumatic pull to lower the load and the spring to extend it back out.
When sizing this 32 mm bore unit, evaluate your tension requirements against its 266.8 N pull at 0.5 MPa. If that is excessive, step down to the MTF25 which provides 153.6 N at the same pressure; if more retraction strength is needed, the MTF40 delivers 434.8 N. Remember that air only pulls the rod inward, so the load must be moved in tension, and the system needs at least 0.2 MPa to beat the spring. The CA back cover supplies a rear pivot point for trunnion setups, and the factory-installed -S magnet permits CMSG, DMSG, or EMSG electronic or reed switches to track stroke position.
Quick checklist
This single-acting pull cylinder generates 266.8 N of pull force at 0.5 MPa and 405 N at 0.7 MPa, with both figures net of the internal spring. It requires a minimum operating pressure of 0.2 MPa to overcome the spring and retract the 12 mm rod, and uses a 1/4" air port.
The internal spring constantly extends the rod, meaning air is only used to pull it in, and the cylinder fails to the extended position upon air loss. The -S designation indicates a built-in piston magnet, allowing you to mount CMSG, DMSG, or EMSG sensors for position detection, while the SUS304 stainless barrel handles mild corrosion.
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