
The AirTAC Airtac MSG Stainless Steel Mini Air Cylinder MSG32X75 is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø32mm bore and 75mm 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 MSG32X75 is a single acting, PUSH type JIS mini cylinder with a 32 mm bore and 75 mm stroke: compressed air extends the rod and an internal return spring retracts it when air is released. Because air is only applied on the work stroke, one air line and one valve port are enough, which saves air and simplifies the circuit for one-way clamping, ejecting or pressing. Output is already net of the return spring: about 281.3 N push at 0.5 MPa and 442.1 N at 0.7 MPa. Using the usual rule of thumb of about 0.6 of the push force, that is a safe working load of roughly 17 kgf for clamping, or about 14 kg for vertical lifting.
The barrel is SUS304 stainless and the 12 mm rod is hard-chrome plated carbon steel, so the cylinder resists damp and washdown environments, and the JIS standard round-body footprint drops straight into standard JIS mini brackets and I or Y rod knuckles. A fixed anti-impact bumper pad softens the stroke ends, and the spring return means the rod always goes back to its retracted rest position on air loss. Note that the return spring caps the standard stroke at 150 mm for this bore and sets a 0.2 MPa (28 psi) minimum working pressure; for a two-directional or longer stroke, choose the double-acting MG instead.
| Model | Airtac MSG Stainless Steel Mini Air Cylinder MSG32X75 |
|---|---|
| Series | MSG JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 75 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Cushion | Fixed anti-impact bumper pads |
| Max standard stroke | Up to 150 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 (spring return) |
|---|---|
| 0.5 MPa | 281.3 N |
| 0.7 MPa | 442.1 N |
Single-acting push: air extends the rod; the return spring retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
| MSG | JIS round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 32 | Bore size in mm. |
| ×75 | 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.
Clamp jigs or workpieces with about 281.3 N at 0.5 MPa; cut the air and the return spring releases the clamp automatically with no second valve port.
Push finished parts off a conveyor stop or out of a fixture at the end of a 75 mm stroke; the spring retracts the rod for the next cycle.
Press caps, lids or light snap fits with a mid-range 32 mm bore, letting the spring lift the plunger back up when the air is exhausted.
Pick the MSG32X75 when your one-way work stroke needs about 281 N of push at 0.5 MPa: it sits in the middle of the MSG range, above the 25 mm bore (171.8 N) and below the 40 mm bore (439.6 N). Remember the forces are already net of the return spring and the spring sets a 0.2 MPa (28 psi) minimum working pressure, so size up if your load comes close to the rated thrust. The spring return also limits standard strokes to 150 mm on this bore; if you need a longer stroke or powered movement in both directions, step up to the double-acting MG. Mounting options are LB foot, FA flange, CB clevis and SDB pivot, plus I and Y rod knuckles. Add the S code if you want a magnet for CMSG, DMSG or EMSG position sensors; this no-S model has no magnet and cannot carry a sensor.
Quick checklist
The MSG32X75 gives about 281.3 N of push at 0.5 MPa and 442.1 N at 0.7 MPa, already net of the return spring. Operating pressure is 0.2 to 1.0 MPa (28 to 145 psi) because the spring sets the floor, proof pressure is 1.5 MPa (215 psi), speed range is 50 to 800 mm/s, and the temperature range is -20 to +70 C with air filtered to 40 um. The port is 1/8" on every MSG bore.
Air extends the rod on the work stroke; when you exhaust it, the internal spring retracts the rod to its retracted rest position, so only one air line and one valve port are needed. On air loss the rod returns, it does not hold a load, and the fixed bumper pad only softens the stroke end. This no-S model has no magnet, so no sensor can be fitted; order the -S version to mount CMSG, DMSG or EMSG switches. For powered return, use the double-acting MG.
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