
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF40X60SCM is a genuine double acting JIS-standard round-body mini air cylinder with a Ø40mm 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 628.3 N of push force at 0.5 MPa, this double-acting JIS-standard round-body mini cylinder handles heavy-duty tasks within tight fixtures. Its SUS304 stainless-steel barrel and riveted aluminium covers resist mild corrosion and washdown environments. The piston employs a two-way oil-retaining seal for long life, while fixed TPU bumper pads and a front-cover anti-impact pad soften stroke-end impacts without offering adjustable cushioning.
Because the MF body is shorter than a comparable ISO 6432 cylinder for the same 40 mm bore and 60 mm stroke, it provides a distinct packaging advantage. The integrated -S piston magnet enables CMSG, DMSG, or EMSG switches for position sensing, and the 1/4" port matches the bore size. Plan for about 377 N of real work at 0.5 MPa, which means it can safely lift roughly 32 kg vertically with a 2:1 margin.
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF40X60SCM |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 60 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 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). |
|---|---|
| 40 | 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.
Pushes heavy stamped metal parts out of a die using 628.3 N of thrust at 0.5 MPa, relying on the short JIS body to fit within the press frame.
Actuates a heavy diverter arm on a packaging line, safely lifting roughly 32 kg of palletised product vertically with a 2:1 safety margin.
Directs crates in a food-packaging facility where the SUS304 stainless barrel resists moisture, while the -S magnet confirms gate position via DMSG switches.
When sizing this 40 mm bore, stepping down to the MF32 yields 402.2 N of push force at 0.5 MPa, whereas the MF40 provides the maximum standard thrust in this series at 628.3 N. If your application demands even more force, note that 40 mm is the largest available MF bore. The rear CM round-end cover suits pivot-style mounting, and you can utilise LB foot, FA flange, SDB pivot, or TC trunnion brackets. For position feedback, the built-in -S magnet works seamlessly with CMSG, DMSG, and EMSG sensors.
Remember that a standard double-acting cylinder drifts if air pressure drops or the valve is centred; the TPU bumpers only decelerate the stroke end and do not function as a braking lock. To suspend a load safely during an air loss event, install an external rod lock or a pilot-operated check valve. Even with a short 60 mm stroke, ensure side loads are minimised to prevent rod bending and premature seal wear.
Quick checklist
This 40 mm bore cylinder features a 1/4" air port and an M14x1.5 male rod thread. It generates 628.3 N push and 527.8 N pull at 0.5 MPa, 879.6 N push and 738.9 N pull at 0.7 MPa, with a theoretical maximum force of 128.1 kgf at 1.0 MPa.
It features a SUS304 stainless barrel with riveted aluminium covers, making the body shorter than an ISO 6432 cylinder for the same stroke. The rear CM round-end cover allows pivot mounting, fixed TPU bumpers decelerate the stroke ends, and the -S magnet supports CMSG, DMSG, and EMSG sensors.
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