Airtac MF32-40 Stainless Steel Mini Cylinder MF40X125SUTC
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF40X125SUTC is a genuine double acting JIS-standard round-body mini air cylinder with a Ø40mm bore and 125mm 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
- Stroke125 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 MF40X125SUTC
Delivering 628.3 N of push force at 0.5 MPa, this double-acting JIS-standard round-body mini cylinder handles heavy-duty positioning tasks. The SUS304 stainless barrel and riveted aluminium covers resist mild corrosion and washdown, while the piston's two-way seal retains an oil film for long service life. Plan for about 377 N of actual work at 0.5 MPa, which means it lifts roughly 32 kg vertically with a 2:1 safety margin.
Because the MF body is shorter than an ISO 6432 cylinder for the same 40 mm bore and 125 mm stroke, it saves valuable mounting length in tight fixtures. This SKU includes a piston magnet for CMSG, DMSG, or EMSG switches, features a 1/4 inch air port, and uses fixed TPU bumper pads to soften stroke-end impact.
Airtac MF32-40 Stainless Steel Mini Cylinder MF40X125SUTC Technical Specifications
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF40X125SUTC |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 125 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 MF40X125SUTC
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 40 | Bore size in mm. |
| ×125 | 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 MF40X125SUTC Is Used
Pallet Diverter Gate
Utilizes the 628.3 N push force to swing heavy loaded pallets onto secondary packaging lines without stalling.
Press Fit Subassembly
Pushes bronze bearings into automotive housings using the 125 mm stroke, relying on the U flat-end cover to absorb rear contact.
Vertical Carton Lid Closer
Lifts and folds heavy cardboard flaps on packaging machines, safely lifting about 32 kg vertically with a 2:1 margin.
Is the Airtac MF32-40 Stainless Steel Mini Cylinder MF40X125SUTC the Right Cylinder?
If 402.2 N at 0.5 MPa from the MF32 is insufficient for your payload, this 40 mm bore provides the necessary step up, representing the largest standard size available in the MF series. For applications needing less force, dropping down to the 32 mm bore optimizes air consumption.
This configuration includes a U flat-end back cover and a TC trunnion mount for pivot-frame installations. Remember that a plain cylinder drifts when air is lost or a valve is centred; the bumpers only decelerate the stroke end rather than braking the load, so fit an external rod lock or pilot check valve if you need to hold a vertical position securely.
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 MF40X125SUTC FAQ
At 0.5 MPa it pushes 628.3 N and pulls 527.8 N. At 0.7 MPa it pushes 879.6 N and pulls 738.9 N. The theoretical maximum force is 128.1 kgf at 1.0 MPa. It uses a 1/4 inch air port and an M14x1.5 male rod thread.
No, the base MF uses fixed TPU bumper pads to decelerate the stroke end, not an adjustable air cushion; for variable cushioning look at the MFC variant. It is a JIS-standard round-body cylinder that is physically shorter than an ISO 6432 cylinder for the same bore and stroke, but it does not conform to ISO 6432 mounting standards.
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1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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