
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF32X60SU is a genuine double acting JIS-standard round-body mini air cylinder with a Ø32mm bore and 60mm 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.
Delivering 402.2 N of push force at 0.5 MPa, this double-acting JIS-standard round-body mini cylinder uses a SUS304 stainless barrel with riveted aluminium covers to resist mild washdown. Because the MF body is shorter than an ISO 6432 cylinder for the same 32 mm bore and 60 mm stroke, it saves valuable mounting length in tight machinery. The -S suffix means a piston magnet is built in for CMSG, DMSG or EMSG switches.
The piston relies on a heterogeneous two-way seal that retains an oil film for long life, while fixed TPU bumper pads and a front-cover anti-impact pad soften stroke-end impact. Plan for roughly 241 N of actual work at 0.5 MPa, which means it can safely lift about 20.5 kg vertically with a 2:1 safety margin. Air connects via a 1/4 inch port, and the U flat-end back cover suits direct rear mounting.
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF32X60SU |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 60 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Fixed TPU bumper pads |
| Max standard stroke | Up to 500 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 | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 32 | Bore size in mm. |
| ×60 | 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 402.2 N push force at 0.5 MPa to tuck heavy cardboard flaps on a continuous packaging line before tape application.
The compact 60 mm stroke and U flat-end rear cover allow direct mounting inside CNC cells to index small aluminium billets into the machining zone.
Leveraging the 20.5 kg vertical lift capacity to push machined steel brackets out of a press die quickly and reliably.
When sizing this 32 mm bore, the smaller MF25 provides 245.3 N of push at 0.5 MPa, while the larger MF40 steps up to 628.3 N at the same pressure. If your process drops air or the valve centres, this cylinder will drift and cannot hold a load; the TPU pads only decelerate the stroke end rather than acting as a brake, so add an external rod lock or pilot check valve for suspended masses. With a 60 mm stroke, side-load and rod-bending stress are minimal, but always align the load with the Ø12 mm rod. The -S magnet allows solid-state or reed sensors, and you can mount via LB foot, FA flange, SDB pivot or TC trunnion.
Quick checklist
At 0.5 MPa this 32 mm bore cylinder pushes 402.2 N and pulls 345.6 N. At 0.7 MPa it pushes 563 N and pulls 483.8 N. The theoretical maximum force is 82 kgf at 1.0 MPa. It uses a 1/4 inch air port and an M10x1.25 male rod thread.
The MF does not conform to ISO 6432, though its riveted stainless body is intentionally shorter than an ISO 6432 cylinder to save space. It uses fixed TPU bumper pads that decelerate the stroke end rather than an adjustable air cushion. You can mount it using LB, FA, SDB or TC hardware, and the -S magnet supports CMSG, DMSG and EMSG sensors.
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