Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø32mm 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.
- BoreØ32 mm
- Stroke125 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU
Delivering 402.2 N of push force at 0.5 MPa, the AirTAC MFC32X125SU is a JIS-standard round-body mini cylinder built for double-acting operation. A variable air cushion at both ends lets you dial in the needle valve to absorb high-speed end-of-stroke shock, protecting the load and cutting noise far better than a fixed bumper. The SUS304 stainless barrel and riveted aluminium covers resist mild corrosion and washdown, while the U flat-end rear cover supports direct mounting. For the same 32 mm bore and 125 mm stroke, this riveted body is notably shorter than an ISO 6432 cylinder, saving valuable machine space without conforming to that standard.
Equipped with a 1/4" port and an M10x1.25 male rod thread, this 12 mm rod unit handles speeds from 30 to 800 mm/s. The -S suffix denotes a built-in piston magnet, enabling CMSG, DMSG, or EMSG reed or electronic switches for position sensing. In practical terms, it yields a safe working load of roughly 241 N (about 60% of the 0.5 MPa push force), meaning it can lift about 20.5 kg vertically with a 2:1 safety margin.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU Technical Specifications
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting + cushion |
| 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 | Variable air cushion, both ends |
| 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 MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | 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 MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU Is Used
High-Speed Diverting
Pushes packages at speed on a sorting line; the needle-tuned air cushion halts the 402.2 N stroke smoothly without slamming the U-flat end cover.
Light Pressing
Applies steady clamping force for component seating, where the SUS304 stainless barrel withstands occasional coolant splash.
Vertical Lift Gates
Raises a 20 kg access flap; the compact JIS body fits tight vertical channels where a longer ISO 6432 unit would not.
Is the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU the Right Cylinder?
When sizing this 32 mm bore, stepping down to the MFC25 drops the 0.5 MPa push force to 245.3 N, whereas moving up to the MFC40 raises it to 628.3 N. Choose this model when cycling heavier loads at high speed, as the adjustable needle cushion is essential for smoothing deceleration. Note that the cushion only decelerates the piston near the stroke end; it is not a brake. If the application must hold a load vertically during air loss or valve centering, the piston will drift, so you must fit an external rod lock or pilot-operated check valve. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion, and the integrated magnet (-S) pairs directly with CMSG, DMSG, or EMSG sensors.
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 MFC Cushioned Stainless Steel Mini Cylinder MFC32X125SU FAQ
This double-acting cylinder has a 1/4" port and generates 402.2 N push and 345.6 N pull at 0.5 MPa, increasing to 563 N push and 483.8 N pull at 0.7 MPa. The theoretical maximum force is 82 kgf at 1.0 MPa.
No, the variable air cushion only decelerates the piston near the end of the stroke and does not act as a lock or brake. The piston will drift on air loss, so you need an external rod lock or pilot check valve for holding. The -S magnet enables CMSG, DMSG, or EMSG sensors to track position.
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