Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA is a genuine double acting JIS-standard round-body mini air cylinder with a Ø40mm bore and 450mm 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.
- BoreØ40 mm
- Stroke450 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA
Delivering 628.3 N of push force at 0.5 MPa, this double-acting JIS-standard round-body mini cylinder handles heavy-duty automation within a compact footprint. Because the riveted rolling-packed SUS304 stainless barrel and aluminium covers are inherently shorter than an ISO 6432 cylinder of the same bore and stroke, it saves valuable mounting length on your machinery. The 1/4" port and M14x1.5 male rod thread accommodate high airflow for rapid cycling.
The piston relies on a heterogeneous two-way seal that retains an oil film for long-term lubrication, while fixed TPU bumper pads and a front-cover anti-impact pad absorb stroke-end shocks. Plan for roughly 377 N of actual work at 0.5 MPa, which means it can comfortably lift about 32 kg vertically with a 2:1 safety margin. The built-in magnet (-S) supports CMSG, DMSG, and EMSG sensors, and the CA pivot back cover simplifies angular alignment on moving mechanisms.
Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA Technical Specifications
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 450 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.
Theoretical Output Force (Ø40mm)
| 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.
Model Code: Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 40 | Bore size in mm. |
| ×450 | 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.
Where the Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA Is Used
Pallet Diverters
Pushes heavy pallets across transfer lines using the full 628.3 N thrust, with the CA pivot absorbing slight misalignment during lateral indexing.
Vertical Crate Lifter
Raises 30 kg component crates through the 450 mm stroke, staying safely within the calculated 32 kg vertical lift capacity at 0.5 MPa.
Flap Folding Arms
Drives large carton flaps down during case erecting, where the shorter JIS body prevents interference with tight packaging machine guards.
Is the Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA the Right Cylinder?
When sizing this 40 mm bore unit, 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 bore in the MF family, moving higher requires a different cylinder series altogether. The 450 mm stroke is well within the 500 mm standard limit, though at this extended length you should carefully manage side loads to prevent rod bending and premature seal wear.
Remember that air pressure alone will not maintain this cylinder's position; if air is lost or the directional valve is centred, the piston will drift. The fixed bumpers only decelerate the stroke end and do not function as a braking mechanism. To suspend a load safely, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MF32-40 Stainless Steel Mini Cylinder MF40X450SCA FAQ
This 40 mm bore cylinder features a 1/4" port and generates 628.3 N push / 527.8 N pull at 0.5 MPa, and 879.6 N push / 738.9 N pull at 0.7 MPa. The theoretical maximum force is 128.1 kgf at 1.0 MPa.
Yes, the -S suffix denotes a built-in piston magnet compatible with CMSG, DMSG, and EMSG switches. The CA back cover provides a pivot mount that allows the cylinder to self-align during articulating movements, while the fixed TPU bumpers quietly decelerate the stroke ends.
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