
The AirTAC Airtac MGD Double Rod Mini Cylinder MGD32X250S 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 MGD32X250S is a double acting, double-rod JIS round-body mini cylinder with a 32 mm bore and 250 mm stroke. A 12 mm rod exits both covers with the same M10x1.25 male thread at each end, so the through-rod resists rotation and side load, keeps stroke-end position repeatable, and lets the rear rod end carry a stop flag or drive a second load. Because both sides of the piston see the rod-side area, output is equal in both directions: about 345.6 N each way at 0.5 MPa and 483.8 N at 0.7 MPa, with a theoretical maximum of 70.5 kgf at 1.0 MPa. For a realistic vertical lift, halve the 0.5 MPa figure to roughly 17 kg of safe working load.
Construction suits damp and washdown environments: a SUS304 stainless barrel with hard-chrome plated rods, riveted rolled covers, a two-way lubricant-storing piston seal, and a fixed anti-impact bumper pad that decelerates the stroke end. The S code means a magnet is fitted, so CMSG, DMSG or EMSG switches can be mounted directly on the barrel. Ports are 1/8" on every MGD bore, operating pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof, temperature spans -20 to +70 C, and speed runs 30-800 mm/s. Mount with FA flange or LB foot, plus I or Y rod knuckles.
| Model | Airtac MGD Double Rod Mini Cylinder MGD32X250S |
|---|---|
| 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 rotating without external guides, pushing and pulling with equal 345.6 N force at 0.5 MPa for repeatable positioning at both stroke ends.
Drive two fixtures or chutes from the front and rear M10x1.25 rod ends simultaneously, with matched 483.8 N output at 0.7 MPa on each side of the 32 mm piston.
Use the back rod end to carry a stop or sensor flag past CMSG/DMSG/EMSG switches, confirming stroke-end position on the magnet-fitted barrel while the bumper pad softens arrival.
At 32 mm bore the MGD32X250S delivers 345.6 N per direction at 0.5 MPa, placing it second in the MGD range: step down to MGD25 for lighter duty or up to MGD40 for 527.8 N. The 250 mm stroke sits well inside the 500 mm maximum standard stroke for this bore. Choose this model when you need anti-rotation guidance, a rear rod end for a switch flag or twin load, or equal force both ways. If you need an adjustable air cushion or a 50/63 mm bore, move to the MGCD; for a conventional single-rod cylinder, the MG is the equivalent. Mounting is FA flange or LB foot with I/Y knuckles (no SDB/CB pivot), and the fitted magnet accepts CMSG/DMSG/EMSG switches. On long strokes, support the side load to protect the 12 mm rods, and remember the cylinder does not hold position on air loss; add an external rod lock or pilot check valve for a held load.
Quick checklist
The 32 mm double-rod piston gives 345.6 N in each direction 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 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-800 mm/s, fluid air filtered to 40 um, and the port is 1/8". The 250 mm stroke is within the 500 mm maximum standard stroke for this bore.
The MGD32X250S has a rod exiting both covers with the same M10x1.25 thread, so force is equal both ways, rotation and side load are resisted, and the rear end can carry a flag or second load. The single-rod MG has a larger extend force but no through-rod. The fitted magnet (S code) accepts CMSG, DMSG and EMSG switches, and the fixed bumper pad only softens stroke ends; it is not an adjustable cushion, and the cylinder will not hold a load on air loss without an external check valve or rod lock.
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