
The AirTAC Airtac MFD Double Rod Miniature Cylinder MFD20X200 is a genuine double acting, double rod 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.
Twin rods exiting both covers give this JIS-standard round-body mini cylinder equal thrust in both directions, making the AirTAC MFD20X200 ideal for 200 mm strokes requiring steady anti-rotation guidance. The SUS304 stainless barrel and riveted aluminium covers form a compact body that is shorter than an ISO 6432 cylinder of the same bore and stroke, saving valuable machine space. It delivers 131.9 N of force at 0.5 MPa and 184.7 N at 0.7 MPa through its 1/8" port.
Because the piston uses the rod-side area on both faces, push and pull forces are identical. The fixed TPU bumper pads decelerate the stroke ends without acting as a lock, so you will need an external rod lock or pilot check valve if the load must hold position on air loss. This non-magnet SKU cannot take a sensor; adding the -S option enables CMSG, DMSG or EMSG switches on the rear rod. For a safe working load, expect about 79 N, or a vertical lift of roughly 6.7 kg with a 2:1 margin.
| Model | Airtac MFD Double Rod Miniature Cylinder MFD20X200 |
|---|---|
| Series | MFD JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 200 mm |
| Acting type | Double acting, double rod |
| 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 | Fixed TPU bumper pads |
| Max standard stroke | Up to 300 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 132 N |
| 0.7 MPa | 185 N |
| Max (@1.0 MPa) | 27 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
| MFD | JIS-standard round-body mini cylinder (double-rod). |
|---|---|
| 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.
Uses the equal 131.9 N thrust both ways to push and pull a part across 200 mm, mounting a second pickup tool on the back rod for cycle efficiency.
The dual 8 mm rods prevent the load from twisting during the 200 mm travel, keeping a steady guide without needing an external linear bearing.
Fits into tight machine envelopes where a longer ISO 6432 cylinder would fail, leveraging the shorter JIS body while delivering 184.7 N at 0.7 MPa.
When sizing a double-rod mini, compare both bores: this MFD20 provides 131.9 N at 0.5 MPa, while the larger MFD25 offers 206.1 N at the same pressure. Choose the 20 mm bore when your load falls safely under the 79 N working threshold and you need lighter, compact actuation. The twin-rod build is essential when you need to resist side-play, mount a second tool on the back rod, or drive an anti-rotation slide.
Mounting options include LB foot, FA flange and TC trunnion brackets, with no SDB or back-cover code available because a rod exits both ends. Since this specific SKU lacks the -S magnet, it cannot support magnetic sensing; if your sequence requires position feedback, select the -S variant to use CMSG, DMSG or EMSG switches.
Quick checklist
The MFD20X200 delivers equal force in both directions: 131.9 N at 0.5 MPa, 184.7 N at 0.7 MPa, and a theoretical maximum of 26.9 kgf at 1.0 MPa. It features a 1/8" air port and an 8 mm rod on each end with an M8x1.25 male thread.
No. The fixed TPU bumpers only decelerate the stroke end and do not lock the piston, so you need an external rod lock or pilot check valve to hold a load on air loss. Additionally, this SKU has no magnet (-S) and cannot take CMSG, DMSG or EMSG sensors.
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