
The AirTAC Airtac MGD Double Rod Mini Cylinder MGD32X250 is a genuine double acting, double rod JIS-standard round-body mini air cylinder with a Ø32mm bore and 250mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The AirTAC MGD32X250 is a JIS-standard round-body mini cylinder, double acting and double rod: a 12 mm hard-chrome rod exits both the front and back covers with the same M10x1.25 male thread at each end, so the two rod ends move together as one. Because the rod-side piston area is active on both sides, the output force is equal in both directions, about 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa, with a theoretical maximum of 70.5 kgf at 1.0 MPa. Air ports are 1/8" on this bore, and the operating range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure.
The through-rod resists rotation and side load, keeps stroke-end position repeatable, and lets the rear rod end carry a switch flag, a stop, or a second load while the front end does the work. The barrel is SUS304 stainless with riveted covers, so the cylinder suits damp and washdown-adjacent lines, and a fixed anti-impact bumper pad softens each stroke end. Note that 250 mm sits well inside the 500 mm maximum standard stroke for the 32 mm bore. As a working rule, size the load to about 0.6 of the thrust, roughly 21 kg vertical, and remember the piston drifts on air loss, so use an external rod lock or pilot check valve where a load must be held.
| Model | Airtac MGD Double Rod Mini Cylinder MGD32X250 |
|---|---|
| Series | MGD JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 250 mm |
| Acting type | Double acting, double rod |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 anti-impact bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MG-series (JIS standard) datasheet. Barrel: SUS304 stainless steel (round-body, riveted construction); piston rod: carbon steel with 20µm hard-chrome plating. Thread options: PT (blank) / G / NPT.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 346 N |
| 0.7 MPa | 484 N |
| Max (@1.0 MPa) | 70 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
| MGD | JIS round-body mini cylinder (double-rod). |
|---|---|
| 32 | Bore size in mm. |
| ×250 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB | Mounting: FA flange, LB foot. |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, plus I and Y knuckles. Thread PT (blank) / G / NPT.
The through-rod keeps a 250 mm slide from twisting under a 30 kg fixture load, delivering 345.6 N equally on extend and retract without a separate guide.
Drive two small clamps or ejectors at once, one workpiece on each M10x1.25 rod end, with matched 345.6 N force at 0.5 MPa on both sides of the line.
Use the back rod end to carry a stop or switch flag on a transfer station while the front end pushes, with the bumper pad softening each stroke end.
At 345.6 N per direction at 0.5 MPa, the 32 mm bore is the right pick when your load needs more than the 206.1 N of the 25 mm MGD but not the 527.8 N of the 40 mm, which is the largest MGD. Choose the MGD32X250 over a single-rod MG when you need anti-rotation, equal force both ways, a rear rod end for a flag or second load, or a symmetric push-pull. If you need bores of 50 or 63 mm or an adjustable variable cushion, step up to the MGCD series instead. Mounting is FA flange or LB foot, with I and Y rod knuckles available; pivot mounts SDB and CB are not offered on the double-rod body. Add the S code if you want a magnet for CMSG, DMSG or EMSG switches, since this non-S model cannot take a sensor. With a 250 mm stroke on a slender 12 mm rod, support the load or use a knuckle to limit side load over the long travel.
Quick checklist
Force is equal in both directions: 345.6 N at 0.5 MPa and 483.8 N at 0.7 MPa, with a theoretical maximum of 70.5 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure is 1.5 MPa (215 psi), temperature range is -20 to +70 C, speed is 30-800 mm/s, and the fluid is air filtered to 40 um. Ports are 1/8" and the maximum standard stroke for this 32 mm bore is 500 mm.
The MGD32X250 has a rod exiting both covers, so force is identical extending and retracting, the rod resists rotation and side load, and the rear end can carry a flag or a second load; the single-rod MG has a larger push than pull and no rear rod. This model has fixed anti-impact bumper pads only, not an adjustable cushion. It ships without a magnet, so no sensor can be fitted; order the S version to use CMSG, DMSG or EMSG switches.
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