
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X10SU is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 10mm stroke, 1/8" 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.
Tame high-speed end-of-stroke shock in tight spaces with the AirTAC MFC20X10SU, a JIS-standard round-body mini cylinder. Tuning the needle valve on its dual variable air cushions lets you decelerate heavy loads smoothly, cutting noise and impact far better than a fixed rubber bumper. The SUS304 stainless barrel and riveted aluminium covers resist mild corrosion and washdown, while the U flat-end back cover suits direct rear mounting.
Delivering 157 N of push force at 0.5 MPa, this 20 mm bore, 10 mm stroke actuator provides a safe working load of about 94 N. It lifts approximately 8 kg vertically with a 2:1 margin. The built-in -S magnet enables CMSG, DMSG or EMSG position sensing, and the 1/8" port feeds the 8 mm rod. For the same bore and stroke, this compact riveted body is shorter than an ISO 6432 cylinder.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X10SU |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 10 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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). |
|---|---|
| 20 | Bore size in mm. |
| ×10 | 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.
Shoots light plastic parts out of a machining centre at speed; the needle-tuned air cushion absorbs the 10 mm stroke impact to prevent component marking.
Snaps a lightweight cardboard carton across a belt junction; the 8 kg vertical lift capacity handles the diverter arm weight while the cushion softens the rapid reversal.
Secures delicate electronic housings for a brief glue cure; the short 10 mm stroke and riveted stainless body fit neatly into dense assembly fixtures.
For light, fast cycling tasks, this 20 mm bore provides 157 N push at 0.5 MPa. If your payload drops below 94 N, you still need this size, but if you require more thrust, step up to the MFC25 which yields 245.3 N at 0.5 MPa. The variable air cushion is essential when cycling at high speeds to protect the load, but remember it only decelerates the piston near stroke end—it is not a brake. The piston will drift on air loss, so fit an external rod lock or pilot check valve for suspended loads.
The U flat-end rear cover allows direct mounting, complementing options like FA flange or TC trunnion. Because this SKU includes the -S magnet, you can directly mount CMSG, DMSG or EMSG sensors for precise end-position detection.
Quick checklist
This 20 mm bore double-acting cylinder has a 1/8" port and an 8 mm rod. It generates 157 N push and 131.9 N pull at 0.5 MPa, or 219.8 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, the variable air cushion only decelerates the piston near the stroke end to reduce shock; it does not function as a brake or lock, and the piston will drift if air pressure drops. Because this model includes the -S magnet, you can attach CMSG, DMSG or EMSG switches for position sensing.
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