
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X30U is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 30mm 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 MFC20X30U, a JIS-standard round-body mini cylinder built for high-speed actuation. The variable air cushion at both ends uses a needle valve to absorb shock, protecting your payload far better than a fixed bumper. Its SUS304 stainless barrel and riveted aluminium covers shrug off mild corrosion and washdown environments.
Generating 157 N of push and 131.9 N of pull at 0.5 MPa, this double-acting 20 mm bore unit is highly compact. For the same bore and stroke, the MFC body is shorter than an ISO 6432 cylinder, saving valuable mounting length. It features a U flat-end rear cover, an 8 mm rod, and a 1/8" port. Without the -S magnet option, this specific SKU cannot accept CMSG, DMSG, or EMSG sensors.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X30U |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 30 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. |
| ×30 | 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 small plastic components out of a mould at high speed, relying on the adjustable air cushion to prevent end-of-stroke impact damage.
Pushes lightweight cardboard cartons onto an adjacent belt; the 94 N safe working load easily handles small parcel redirection without slamming.
Raises stacked manufacturing trays weighing up to 8 kg, using the 2:1 safety margin on the 157 N push force for reliable vertical movement.
This 20 mm bore provides a safe working load of roughly 94 N (about 60% of its 157 N push force at 0.5 MPa), making it ideal for vertically lifting around 8 kg with a 2:1 safety margin. If your application requires less force, there is no smaller MFC bore, but if you need more thrust, step up to the MFC25, which delivers 245.3 N at 0.5 MPa.
The adjustable cushion proves most beneficial when driving heavier masses at high speeds, though remember it only decelerates the piston near the stroke end and will not hold a load if air pressure drops. For suspended loads that must resist drifting, pair the cylinder with an external rod lock or a pilot-operated check valve. Mount this U-cover unit using LB foot, FA flange, SDB pivot, or TC trunnion brackets.
Quick checklist
This 20 mm bore cylinder features a 1/8" port and an 8 mm rod. It generates 157 N push and 131.9 N pull at 0.5 MPa, increasing to 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, this specific SKU lacks the internal magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You would need the -S variant for position sensing. The SUS304 stainless barrel also provides excellent mild corrosion resistance for washdown settings.
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