Airtac MF32-40 Stainless Steel Mini Cylinder MF32X145SU
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF32X145SU is a genuine double acting JIS-standard round-body mini air cylinder with a Ø32mm bore and 145mm 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.
- BoreØ32 mm
- Stroke145 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM10×1.25
- 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 MF32X145SU
Delivering 402.2 N of push force at 0.5 MPa, this double-acting 32 mm bore mini cylinder is built around a SUS304 stainless barrel with riveted aluminium covers that resist mild washdown. Because the JIS-standard round body is physically shorter than an ISO 6432 cylinder of the same bore and stroke, it trims valuable mounting length in tight fixtures. The base unit relies on fixed TPU bumper pads to decelerate the stroke end, while a two-way oil-retaining piston seal ensures long service life.
Practically, you should plan for a safe working load of roughly 241 N rather than pushing the absolute limit. That translates to lifting about 20.5 kg vertically with a 2:1 safety margin, making it a solid match for moderate automation tasks. The integrated -S magnet supports CMSG, DMSG, and EMSG position switches, and the rear U flat-end cover provides a flush mounting face. Air connects via a 1/4 inch port.
Airtac MF32-40 Stainless Steel Mini Cylinder MF32X145SU Technical Specifications
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF32X145SU |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 145 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac MF32-40 Stainless Steel Mini Cylinder MF32X145SU
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 32 | Bore size in mm. |
| ×145 | 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 MF32X145SU Is Used
Package Diverting
Pushes medium-weight cartons off a sorting line using the 402.2 N push force, fitting neatly into tight transfer gaps.
Clamp Actuation
Secures aluminium extrusions during CNC machining, providing stable holding via the U flat-end rear cover.
Vertical Lifting
Elevates components weighing up to 20.5 kg on a test rig, using the integrated magnet to confirm top and bottom positions.
Is the Airtac MF32-40 Stainless Steel Mini Cylinder MF32X145SU the Right Cylinder?
When sizing this 32 mm bore, the adjacent MF25 generates 245.3 N at 0.5 MPa, whereas stepping up to the MF40 yields 628.3 N, giving you clear scaling options if your payload shifts. The 145 mm stroke is well within the 500 mm standard maximum, but at this extension be mindful of side loads to avoid rod bending. The included -S magnet allows direct mounting of CMSG, DMSG, or EMSG sensors for end-position detection.
Remember that a standard double-acting cylinder will drift if air pressure drops or the valve is centred, as the TPU bumpers only soften the end-of-stroke impact and act purely as a deceleration pad. If your application requires the load to stay put during an air loss event, you must add an external rod lock or a pilot-operated check valve.
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 MF32X145SU FAQ
This 32 mm bore double-acting cylinder pushes with 402.2 N and pulls with 345.6 N at 0.5 MPa. At 0.7 MPa, the push is 563 N and the pull is 483.8 N. The theoretical maximum force is 82 kgf at 1.0 MPa, and the air port size is 1/4 inch.
The MF does not conform to ISO 6432, but its JIS-standard round body is intentionally shorter than an ISO 6432 cylinder for the same stroke, saving space. It uses fixed TPU bumper pads for end-deceleration rather than an adjustable air cushion. You can mount CMSG, DMSG, or EMSG sensors since this SKU includes the -S magnet.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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