
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X10SUTC 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.
Designed for tight spaces, this JIS-standard round-body mini cylinder delivers a 157 N push force at 0.5 MPa alongside a 10 mm stroke. The SUS304 stainless barrel and riveted aluminium covers resist mild corrosion, while the built-in magnet (-S) supports CMSG, DMSG or EMSG switches for position sensing. A 1/8 inch port supplies the double-acting chamber.
A variable air cushion at both ends lets you dial a needle valve to soak up end-of-stroke shock at high speed, protecting the load and cutting noise versus a simple bumper. For the same bore and stroke, the MFC body is shorter than an ISO 6432 cylinder, saving valuable mounting length. Factoring a 2:1 safety margin, it lifts about 8 kg vertically, yielding a safe working load near 94 N.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X10SUTC |
|---|---|
| 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 robotic grippers with a 10 mm stroke, using the variable air cushion to soften impacts when clamping delicate parts at speed.
Pushes lightweight moulded parts out of a fixture; the 94 N safe working load handles ejection forces while the SUS304 barrel resists shop moisture.
Folds cardboard flaps on a compact packaging line where the short JIS body length saves space and the TC trunnion accommodates misalignment.
If 157 N at 0.5 MPa is insufficient, step up to the MFC25 which provides 245.3 N; since 20 mm is the smallest available bore, there is no smaller MFC option. The variable air cushion is essential when cycling heavy loads at high speed, as it decelerates the piston near the end caps without acting as a lock. To hold a load on air loss, fit an external rod lock or pilot check valve, because the piston will drift.
This configuration includes a U flat-end back cover and a TC trunnion mount for pivot articulation. The integrated -S piston magnet allows CMSG, DMSG and EMSG sensors to track position directly.
Quick checklist
This 20 mm bore double-acting cylinder has a 1/8 inch 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.
Yes, the -S suffix indicates a built-in piston magnet for CMSG, DMSG or EMSG switches. However, the variable air cushion only decelerates the piston near stroke end; it is not a brake. You must use an external rod lock or pilot check valve to hold a load vertically.
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