
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC32X250S is a genuine double acting + cushion 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 MGC32X250S is a double acting, JIS-standard round-body mini cylinder with a 32 mm bore and a 250 mm stroke, fitted with a variable air cushion at both stroke ends. Unlike the bumper-type MG, this cushion is adjustable: turn the needle valve at each cover to dial in the deceleration, so the piston slows smoothly near end of travel instead of hammering the covers. That makes the MGC the right pick when the piston runs at the upper end of the 30-800 mm/s speed range or carries a heavier moving load. At 0.5 MPa this bore delivers 402.2 N push and 345.6 N pull; at 0.7 MPa it reaches 563 N push and 483.8 N pull, with a theoretical maximum of 82 kgf at 1.0 MPa.
Construction follows the MG family recipe: a SUS304 stainless barrel with covers and stainless block riveted and rolled into place, plus a hard-chrome plated (20 um) 12 mm rod with a male M10x1.25 thread. The two-way piston seal also stores lubricant, extending service intervals. Ports are 1/8". Because the S code is in this model, a magnet is built into the piston and CMSG, DMSG or EMSG switches can be mounted for position feedback. Operating pressure is 0.15-1.0 MPa (22-145 psi) with air filtered to 40 um, temperature range -20 to +70 C. Note that the cushion only decelerates the stroke end; it is not a lock, so an external rod lock or pilot check valve is needed if the load must be held on air loss.
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC32X250S |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 250 mm |
| Acting type | Double acting + cushion |
| 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 | Variable air cushion, both ends |
| 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 | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 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.
Pushing cartons off a fast line at 30-40 kg class loads benefits from the adjustable cushion: the piston decelerates near the cover instead of bouncing, so the cylinder survives high cycle rates.
With 402.2 N push at 0.5 MPa (about 41 kgf), the 32 mm bore clamps cases or trays firmly, and the variable air cushion absorbs the impact when the clamp bottoms out under a heavier load.
The fitted magnet plus CMSG or DMSG switches gives end-of-stroke confirmation on a 250 mm index move, while the cushion keeps the slide from slamming at 500 mm/s and above.
Size the MGC32X250S from the 0.5 MPa push force of 402.2 N, which is about 41 kgf. A safe working load is roughly 0.6 of that, so plan on around 24-25 kg for horizontal moves, or about 20 kg for vertical lift after halving for gravity. If your load is heavier, step up to the MGC40 (628.3 N push at 0.5 MPa); for lighter duty the MGC25 (245.3 N) saves space. For bores 20 to 40 the bumper-type MG is the no-cushion alternative if your speeds and loads are gentle and you do not need adjustable deceleration. The 250 mm stroke sits well inside the 500 mm maximum standard stroke for this bore, so it is a catalog item, not made to order. Mount with the FA flange or LB foot, and add I or Y rod knuckles where the tooling needs a pivoting joint. The fitted magnet accepts CMSG, DMSG or EMSG switches. On longer strokes like this one, keep side load off the rod or guide the load externally to protect the hard-chrome surface and the bearings.
Quick checklist
At 0.5 MPa it pushes 402.2 N and pulls 345.6 N; at 0.7 MPa it pushes 563 N and pulls 483.8 N. The theoretical maximum is 82 kgf at 1.0 MPa. A practical rule of thumb is to size the load at about 0.6 of the 0.5 MPa push force, so roughly 24-25 kg horizontally, or about 20 kg for vertical lift.
The cushion is an adjustable air chamber at both stroke ends: turn the needle to control deceleration, which protects the covers at higher speeds or with heavier moving loads. It decelerates only; it does not lock the load on air loss. The S in the model code means a magnet is fitted, so CMSG, DMSG or EMSG switches can be mounted, and the SUS304 stainless barrel with hard-chrome rod suits washdown-prone environments.
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