
The AirTAC Airtac MGD Double Rod Mini Cylinder MGD25X175 is a genuine double acting, double rod JIS-standard round-body mini air cylinder with a Ø25mm bore and 175mm 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 MGD25X175 is a JIS-standard round-body mini cylinder, double acting and double rod: a 10 mm 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. Because the rod-side piston area is active in both directions, the output force is equal either way, about 206.1 N at 0.5 MPa and 288.5 N at 0.7 MPa, with a theoretical maximum of 42 kgf at 1.0 MPa. The through-rod resists rotation and side load, keeps stroke-end position repeatable, and leaves the back rod end free to carry a stop flag or drive a second load.
Construction is a riveted SUS304 stainless barrel with hard-chrome plated carbon-steel rods, suited to damp and washdown surroundings, and a fixed anti-impact bumper pad at each stroke end that softens deceleration without any adjustment. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), proof tested to 1.5 MPa (215 psi), from -20 to +70 C at 30-800 mm/s. With a realistic working load of about 0.6 of the force, plan on roughly 12 kgf per direction, or about 12 kg vertical. Ports are 1/8" on this 25 mm bore, and the 175 mm stroke sits inside the 300 mm maximum standard stroke for this size.
| Model | Airtac MGD Double Rod Mini Cylinder MGD25X175 |
|---|---|
| Series | MGD JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 175 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 300 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 | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 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). |
|---|---|
| 25 | Bore size in mm. |
| ×175 | 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 on the MGD25X175 resists rotation, keeping a 175 mm stroke slide square without external guides in light pick-and-place fixtures.
With 206.1 N available at each rod end simultaneously at 0.5 MPa, one cylinder can eject two parts or drive two small tooling heads at once.
The back rod end carries a mechanical stop or position flag, giving a repeatable stroke-end reference on packaging and assembly stations.
At 25 mm bore the MGD25X175 delivers 206.1 N each way at 0.5 MPa, so size up to the MGD32 or MGD40 if your load needs more than about 12 kgf of working force per direction; the MGD20 is the smaller step. If you need bores of 50 or 63 mm or an adjustable variable cushion instead of the fixed bumper pad, move to the MGCD; for a conventional single-rod cylinder, the MG is the equivalent. This through-rod version suits anti-rotation slides, twin-load pushes and rear-mounted switch or stop flags. Mount with the FA flange or LB foot and add I or Y rod knuckles at the ends; pivot mounts like SDB or 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. At 175 mm stroke keep side load on the rod ends low and guide the load externally for long service life. Note the cylinder does not hold position on air loss, so use an external rod lock or pilot check valve for a held load.
Quick checklist
Because both sides of the piston see the rod-side area, force is equal in both directions: 206.1 N at 0.5 MPa and 288.5 N at 0.7 MPa, with a theoretical maximum of 42 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-800 mm/s, and the port is 1/8". The maximum standard stroke for this 25 mm bore is 300 mm, so 175 mm is a standard stroke.
The MGD25X175 has a rod exiting both covers with the same M10x1.25 thread at each end, so it gives equal force both ways, resists rotation and side load, and can drive a second load or carry a stop flag on the rear end; the single-rod MG has a larger extend force but only one working rod end. This model has fixed anti-impact bumper pads only, not an adjustable cushion like the MGCD. It is supplied without a magnet, so no sensor can be mounted; order the S version to use CMSG, DMSG or EMSG switches.
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