
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X100CA is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 100mm 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.
Dial in end-of-stroke deceleration with the AirTAC MFC20X100CA, a JIS-standard round-body mini cylinder built for double-acting service. A variable air cushion at both ends uses a needle valve to absorb high-speed shock, protecting your payload far better than a fixed rubber bumper. The SUS304 stainless steel barrel and riveted aluminium covers resist mild corrosion and washdown, while the rear CA pivot cover simplifies angular mounting. For the same 20 mm bore and 100 mm stroke, this riveted body is notably shorter than an ISO 6432 cylinder, saving valuable machine space without conforming to that standard.
Operating at 0.5 MPa, this 20 mm bore generates 157 N of push force and 131.9 N of pull force, peaking at a theoretical 32 kgf at 1.0 MPa. In practical terms, it handles a safe working load of about 94 N, lifting roughly 8 kg vertically with a 2:1 safety margin. Air connects via a 1/8" port, driving the 8 mm rod at speeds from 30 to 800 mm/s. Note that this specific SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG position switches.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X100CA |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 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. |
| ×100 | 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 100 mm stroke when pushing lightweight molded parts out of a press at high cycle rates, using the 157 N push force to clear the die area smoothly.
Pivots via the CA rear cover to deflect small cartons on a belt line; the variable air cushion prevents jarring stops that could topple unstable loads.
Fits into tight transfer stations where the shorter-than-ISO-6432 body saves space, rapidly indexing lightweight plastic components between processing cells.
If 157 N of push at 0.5 MPa is insufficient, step up to the MFC25, which provides 245.3 N; since 20 mm is the smallest available MFC bore, there is no smaller option in this family. Choose this adjustable-cushion model over a standard bumper cylinder when cycling at high speeds or moving masses that would otherwise slam into the end caps. The needle-set cushion only decelerates the piston near the stroke end—it does not lock the rod. Because a plain cylinder drifts when air pressure drops or the valve centers, you must add an external rod lock or pilot-operated check valve to hold a suspended load safely. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion brackets, and you must select an -S variant if you need magnetic sensing.
Quick checklist
This 20 mm bore cylinder features a 1/8" port and an 8 mm rod. At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it delivers 219.8 N push and 184.7 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You would need the -S variant for sensing. The variable air cushion at both ends adjusts end-of-stroke speed but acts only as a decelerator, not a brake.
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