
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X10SCM 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.
Delivering 157 N of push force at 0.5 MPa, this double-acting 20 mm bore mini cylinder integrates a needle-adjustable variable air cushion at both ends to absorb high-speed end-of-stroke shock. The riveted SUS304 stainless barrel and aluminium covers resist mild corrosion and washdown environments, while the built-in magnet (-S) enables direct mounting of CMSG, DMSG or EMSG sensors.
For the same 20 mm bore and 10 mm stroke, the JIS-standard round-body housing is physically shorter than a comparable ISO 6432 unit, saving valuable mounting length. Driven by a 1/8" port and an 8 mm rod, it yields a computed safe working load of roughly 94 N, lifting about 8 kg vertically with a 2:1 safety margin.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X10SCM |
|---|---|
| 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.
Drives small pneumatic grippers in tight assembly cells where the 10 mm stroke and compact JIS body length prevent collision with adjacent tooling.
Rapidly pushes lightweight plastic parts out of a mould cavity at speed, relying on the variable air cushion to prevent the 8 kg load limit from causing bounce.
Moves a fluid dispensing head in a washdown-resistant SUS304 housing, using the needle-set cushion to stop the 10 mm travel softly without splashing reagents.
If 94 N of safe working load is insufficient, step up to the MFC25 which provides 245.3 N at 0.5 MPa; since 20 mm is the smallest available bore, there is no smaller MFC variant to step down to. The variable air cushion is essential when cycling at high speeds or moving sensitive masses, as it decelerates the piston near the stroke end without harsh impacts.
Note that the cushion only decelerates and does not lock the rod; if you need to hold a vertical load against air loss, add an external rod lock or pilot check valve. This specific SKU features a CM round-end rear cover and includes the -S magnet for position sensing.
Quick checklist
This 20 mm bore cylinder uses a 1/8" port and generates 157 N push / 131.9 N pull at 0.5 MPa, and 219.8 N push / 184.7 N pull at 0.7 MPa. Its theoretical maximum force is 32 kgf at 1.0 MPa.
No, the variable air cushion only decelerates the piston near the end of stroke and acts purely as a shock absorber, never as a brake. To prevent drift on air loss, you must fit an external rod lock or pilot-operated check valve.
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