
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X600SCM is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 600mm 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 JIS-standard round-body mini cylinder handles a 600 mm stroke. The SUS304 stainless barrel and riveted aluminium covers resist mild corrosion and washdown environments. Because the stroke exceeds the 500 mm standard maximum, this 600 mm configuration is a non-standard, made-to-order variant.
A variable air cushion at both ends lets you dial in a needle valve to absorb high-speed end-of-stroke shock, protecting the load and cutting noise. For the same bore and stroke, the MFC body is shorter than an ISO 6432 cylinder, saving valuable mounting length. The 1/8" port and M8x1.25 male rod thread keep the pneumatic footprint compact. With a safe working load of roughly 94 N, it can lift about 8 kg vertically with a 2:1 margin.
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X600SCM |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 600 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. |
| ×600 | 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.
Pushes light packages across a transfer station over a 600 mm span, using the variable air cushion to stop the stroke quietly at high speed.
Raises an 8 kg access flap with a 2:1 safety margin, relying on the SUS304 barrel for humidity resistance in damp storage aisles.
Sweeps machined parts out of a tight work cell, saving machine length because the riveted round body is shorter than an ISO 6432 unit.
When sizing this 20 mm bore actuator, step down if the load is very light, or step up to the MFC25 which provides 245.3 N of push force at 0.5 MPa if you need more thrust. The adjustable air cushion is essential when cycling at high speeds or moving heavy masses, as it decelerates the piston smoothly near the stroke ends. Note that the cushion only slows the piston; it does not act as a brake. The cylinder will drift and lose position on air loss or when the valve is centered, so fit an external rod lock or pilot-operated check valve for suspended loads.
This SKU includes the -S magnet for CMSG, DMSG or EMSG switches, and features a CM round-end back cover. The piston uses a two-way oil-retaining seal with a fixed anti-impact pad on the front cover.
Quick checklist
This 20 mm bore cylinder has an 8 mm rod, M8x1.25 male thread, and a 1/8" port. It generates 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum of 32 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa, proof pressure is 1.5 MPa, and speed ranges from 30-800 mm/s.
The -S suffix means it has a built-in magnet for CMSG, DMSG or EMSG switches. The variable air cushion only decelerates the piston near the end of stroke; it is not a lock or brake. The piston will drift on air loss, so you need an external rod lock or pilot check valve to hold a suspended load safely.
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