
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF40X60CMTC 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 tackles heavy-duty positioning in tight footprints. The SUS304 stainless-steel barrel and riveted aluminium covers resist mild corrosion and washdown, while the internal two-way seal retains an oil film for extended mechanical life. Because the MF body is shorter than an ISO 6432 cylinder for the same 40 mm bore and 60 mm stroke, it saves valuable mounting length in compact machinery.
The piston relies on fixed TPU bumper pads and a front-cover anti-impact pad to decelerate the stroke end, rather than an adjustable air cushion. For practical actuation, plan for about 377 N of real work at 0.5 MPa, which safely lifts a 32 kg mass vertically with a 2:1 margin. This specific SKU features a CM round-end back cover and a TC trunnion mount, but it lacks the -S magnet, meaning it cannot accept CMSG, DMSG, or EMSG magnetic switches. Air connects via a 1/4" port.
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF40X60CMTC |
|---|---|
| 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.
Swings a heavy routing gate on a packaging line, using the TC trunnion to pivot smoothly while handling the 628.3 N push force required to shift loaded pallets.
Ejects formed metal parts from a press die, relying on the fixed TPU bumper pads to absorb the repetitive impact of the 16 mm rod at the end of its 60 mm travel.
Raises 30 kg cartons between conveyor tiers, operating safely within the 32 kg vertical lift capacity calculated at a 2:1 margin under 0.5 MPa.
When sizing this 40 mm bore actuator, compare its 628.3 N push force at 0.5 MPa against the smaller MF32, which provides 402.2 N. Since 40 mm is the largest available MF bore, moving beyond this capacity requires a different cylinder family. The TC trunnion mount pairs with the CM round-end rear cover to handle pivoting loads, though a 60 mm stroke keeps side-load rod-bending stress minimal. If your mechanism must maintain vertical position during air loss or valve centering, note that the piston will drift; the bumpers only soften the end of travel and act as neither a lock nor a brake. You must integrate an external rod lock or a pilot-operated check valve to hold the load securely.
Quick checklist
This 40 mm bore cylinder features a 1/4" air port and an M14x1.5 male rod thread. At 0.5 MPa it pushes with 628.3 N and pulls with 527.8 N. At 0.7 MPa the push increases to 879.6 N and the pull to 738.9 N. The theoretical maximum force is 128.1 kgf at 1.0 MPa.
No, this specific SKU lacks the internal magnet required for sensing, so it cannot accept CMSG, DMSG, or EMSG switches. You would need the -S variant for that. The unit is built with a SUS304 stainless barrel, a CM round-end back cover, and a TC trunnion mount, offering a shorter overall body than an ISO 6432 cylinder.
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