
The AirTAC Airtac MG Stainless Steel Mini Air Cylinder MG32X100S is a genuine double acting JIS-standard round-body mini air cylinder with a Ø32mm bore and 100mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
With a 32 mm bore pushing 402.2 N at 0.5 MPa (563 N at 0.7 MPa), this MG32X100S is a double acting JIS round-body mini cylinder that suits mid-size clamping and lifting jobs on compact machines. The barrel is SUS304 stainless steel and the 12 mm piston rod is hard-chrome plated, so the body shrugs off damp shop air and light washdown far better than painted-steel minis. Because the footprint follows the JIS mini-cylinder standard, standard JIS brackets and rod knuckles drop straight on - a real spares win when you standardise one mini family across a line.
At the stroke ends a fixed anti-impact bumper pad softens the direction change; it decelerates the piston only and is not an adjustable air cushion (that is the MGC variant). The S in the code means a magnet is already fitted, so CMSG, DMSG or EMSG switches can be mounted for end-position sensing without ordering a special. For planning: at 0.5 MPa expect roughly 241 N of usable push, which lifts about 20 kg vertically with a 2:1 margin - enough for a loaded fixture or a small palletised part.
| Model | Airtac MG Stainless Steel Mini Air Cylinder MG32X100S |
|---|---|
| Series | MG JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| 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 | 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.
| MG | JIS round-body mini cylinder (double-acting). |
|---|---|
| 32 | Bore size in mm. |
| ×100 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB / CB / SDB | Mounting: FA flange, LB foot, CB clevis, SDB pivot bracket (with CB). |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, CB clevis, SDB pivot block, plus I and Y knuckles. Thread PT (blank) / G / NPT.
The 402.2 N push at 0.5 MPa clamps aluminium or small steel workpieces in drilling and milling fixtures; the magnet feeds a CMSG switch to confirm the clamp is made before the cycle starts.
A 100 mm stroke kicks cartons or trays sideways on a conveyor at up to 800 mm/s, and the fixed bumper pad softens the stop so the pusher plate does not hammer its mount.
The SUS304 stainless barrel and hard-chrome rod resist the humidity and occasional splash in test benches, while the 1/8" port and PT thread keep plumbing simple on compact rigs.
Size it against its neighbours: the 25 mm bore MG delivers 245.3 N push at 0.5 MPa, while the 40 mm bore reaches 628.3 N - so pick the 32 mm when your load sits between about 240 N and 400 N of real work. If your application needs adjustable end-of-stroke cushioning for high speeds or heavy moving mass, step up to the MGC series instead. Remember this cylinder does not hold position when air is lost or the valve centres - the piston will drift, so add an external rod lock or a pilot check valve for a held load. Mounting options are LB foot, FA flange, CB clevis and SDB pivot (used with CB), with I and Y rod knuckles for the rod side. At 100 mm stroke with a 12 mm rod, keep side loads off the rod to avoid bending; guide external loads separately.
Quick checklist
At 0.5 MPa it pushes 402.2 N and pulls 345.6 N; at 0.7 MPa push rises to 563 N and pull to 483.8 N. The theoretical maximum is 82 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed range 30-800 mm/s, and the port is 1/8" on every MG bore.
Yes - the S in the model code means a piston magnet is built in, so AirTAC CMSG, DMSG or EMSG reed/electronic switches clip onto the stainless barrel to signal end positions. A plain MG without the S code cannot take these switches.
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