
The AirTAC Airtac MGD Double Rod Mini Cylinder MGD32X225S is a genuine double acting, double rod JIS-standard round-body mini air cylinder with a Ø32mm bore and 225mm 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 MGD32X225S is a JIS-standard round-body mini cylinder, double acting and double rod: a 12 mm hard-chrome steel 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 in both directions, the output force is equal either way, 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. 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.
Construction follows the JIS mini-cylinder footprint: a riveted SUS304 stainless barrel suited to damp and washdown environments, two-way lubricant-storing piston seals, and a fixed anti-impact bumper pad at each stroke end that softens deceleration without any adjustment. Operating range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure, air filtered to 40 um, -20 to +70 C, and speeds of 30-800 mm/s. As an S-coded model the magnet is fitted, so CMSG, DMSG or EMSG switches can be clipped onto the barrel for end-of-stroke signalling. Halving the 0.5 MPa force gives a safe vertical lifting figure of roughly 18 kg.
| Model | Airtac MGD Double Rod Mini Cylinder MGD32X225S |
|---|---|
| Series | MGD JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 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. |
| ×225 | 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 the tool plate from twisting on a 225 mm stroke, pushing cartons or trays square into a chute with 345.6 N in each direction at 0.5 MPa.
Front and rear M10x1.25 rod ends each carry a small fixture, letting one double acting cylinder move two workpieces or clamp points together with equal force.
The back rod end drives a position flag past CMSG or DMSG switches (magnet fitted), giving repeatable end-of-stroke confirmation on a packaging or assembly line.
At 32 mm bore this is the second-largest MGD, delivering 345.6 N equally in both directions at 0.5 MPa; step up to the 40 mm bore (527.8 N) for heavier loads or down to the 25 mm (206.1 N) if the force is generous for your application. The 225 mm stroke sits well inside the 500 mm maximum standard stroke for this bore, so no non-standard build is needed. Choose the MGD over the single-rod MG when you need anti-rotation guidance, equal force both ways, or a rear rod end for a switch flag or second load; choose the MGCD instead if you need an adjustable air cushion or a 50/63 mm bore. Mounting is FA flange or LB foot, with I and Y rod knuckles available (no SDB/CB pivot on the double-rod). The fitted magnet accepts CMSG/DMSG/EMSG switches. On long strokes, keep side load on the through-rod modest and guide externally where possible.
Quick checklist
Because the rod occupies both piston faces, 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), the fluid is air filtered to 40 um, temperature range is -20 to +70 C, and speed is 30-800 mm/s. Ports are 1/8" and the rod thread is M10x1.25 at both ends.
The MGD32X225S has a rod exiting both covers with the same M10x1.25 thread, so it resists rotation and side load, gives identical force extending and retracting, and the rear end can carry a stop flag or a second load; the single-rod MG has a larger extend force but no rear rod. The bumper pads only soften the stroke ends, they are not an adjustable cushion (that is the MGCD), and the cylinder will not hold a load on air loss, so use an external rod lock or pilot check valve for that. The fitted magnet accepts CMSG, DMSG and EMSG switches.
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