
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X200SCMLB is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 200mm 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 JIS-standard round-body mini cylinder integrates a needle-set variable air cushion at both ends to absorb high-speed end-of-stroke shock. The SUS304 stainless barrel and riveted aluminium covers resist mild corrosion and washdown environments, while the built-in piston magnet (-S) enables position sensing with CMSG, DMSG or EMSG switches. For the same 20 mm bore and 200 mm stroke, the riveted construction makes the body noticeably shorter than an ISO 6432 cylinder, saving valuable mounting length.
Equipped with a CM round-end rear cover and an LB foot mounting accessory, this double-acting actuator provides a safe working load of roughly 94 N (about 60% of the 0.5 MPa push figure) and lifts approximately 8 kg vertically with a 2:1 safety margin. It features an 8 mm piston rod, an M8x1.25 male rod thread, and a 1/8" port. The adjustable cushion decelerates the load near stroke end to reduce noise, but it does not function as a brake.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X200SCMLB |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 200 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. |
| ×200 | 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.
Handles light packages on a 200 mm stroke at high speed, using the adjustable air cushion to prevent harsh slamming when shifting boxes between conveyor lanes.
Pushes machined components out of a fixture with a 94 N safe working load, relying on the needle-set deceleration to protect delicate surface finishes.
Raises an 8 kg payload vertically before transferring it, using the LB foot mount for stability and the CM round-end cover for rear pivot clearance.
If 157 N of push at 0.5 MPa is insufficient, step up to the MFC25 bore which provides 245.3 N; as this is the smallest available MFC bore, there is no smaller standard option. The variable air cushion is essential for this 200 mm stroke when operating at high speeds or moving sensitive loads, allowing you to tune the deceleration precisely. Because a standard cylinder does not hold position on air loss and the cushion only slows the piston near the end of travel, incorporate an external rod lock or pilot-operated check valve if you need to prevent drift. The included LB foot bracket secures the body, and the -S magnet version is required to mount CMSG, DMSG or EMSG sensors.
Quick checklist
This 20 mm bore cylinder has 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. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, the piston will drift on air loss. The variable air cushion at both ends only decelerates the load near the end of the stroke to reduce shock; it is not a brake or lock. You must add an external rod lock or pilot check valve to hold a load.
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