
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X90SU is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø32mm bore and 90mm 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 402.2 N of push force at 0.5 MPa, this double-acting 32 mm bore mini cylinder is built for demanding cycles. The defining feature is the variable air cushion at both ends: a needle valve lets you dial in the deceleration to absorb high-speed end-of-stroke shock, protecting payloads and cutting noise. For the same 32 mm bore and 90 mm stroke, the JIS-standard riveted SUS304 stainless barrel and aluminium covers make the body shorter than an ISO 6432 cylinder, saving valuable mounting length.
The integrated -S piston magnet supports CMSG, DMSG and EMSG switches for position sensing, while the U flat-end rear cover suits direct mounting. Derived from the 0.5 MPa push rating, the safe working load is roughly 241 N, meaning it lifts about 20.5 kg vertically with a 2:1 safety margin. Fluid is filtered air via a 1/4 inch port.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC32X90SU |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 90 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.
| 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.
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×90 | 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.
Cushions the 90 mm stroke at high speed to deflect cartons without jarring the conveyor frame.
Applies up to 241 N of safe working force to seat bearings or pins smoothly in automated jigs.
Lifts roughly 20.5 kg loads with a 2:1 margin, using the U cover for clean top mounting.
If 402.2 N at 0.5 MPa is excessive for your payload, step down to the MFC25 which provides 245.3 N; if you need more muscle, the MFC40 pushes 628.3 N. The adjustable air cushion is essential when cycling at high speeds or moving heavy masses, as it prevents harsh impacts. Remember the cushion only decelerates near the stroke end and acts as no brake; the piston will drift on air loss, so fit an external rod lock or pilot check valve for held loads. Mounting options include LB foot, FA flange, SDB pivot and TC trunnion.
Quick checklist
At 0.5 MPa it pushes 402.2 N and pulls 345.6 N. At 0.7 MPa it pushes 563 N and pulls 483.8 N. The theoretical maximum is 82 kgf at 1.0 MPa. It uses a 1/4 inch air port.
No. The needle-set variable air cushion only decelerates the piston near the stroke end to reduce shock; it is not a brake or lock. The piston drifts on air loss, so use an external rod lock or pilot check valve. The -S magnet works with CMSG/DMSG/EMSG sensors.
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