
The AirTAC Airtac MSG Stainless Steel Mini Air Cylinder MSG32X100 is a genuine single acting, push (spring return) 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.
The AirTAC MSG32X100 is a single acting, push type JIS round-body mini cylinder: compressed air extends the 12 mm rod over a 100 mm stroke, and an internal return spring retracts it the moment air is released. Because air is only supplied on the work stroke, the circuit needs just one air line and one valve port, which saves air and wiring on one-directional jobs like clamping, ejecting and pressing. At 0.5 MPa the net push, already after subtracting the spring, is about 281.3 N, rising to 442.1 N at 0.7 MPa. The spring also sets the floor: this cylinder will not run below 0.2 MPa (28-145 psi working band, 1.5 MPa = 215 psi proof).
Construction is built for damp and washdown-prone plants: a SUS304 stainless barrel, a hard-chrome plated (20 um) carbon-steel rod, riveted covers and a two-way lubricant-storing piston seal, with a fixed anti-impact bumper pad softening each stroke end. The JIS footprint drops straight into standard JIS mini brackets and I or Y rod knuckles, with LB foot, FA flange, CB clevis or SDB pivot mounts. For sizing, halve the 0.5 MPa push: about 28 kgf is a realistic working load, or roughly 17 kg for a safe vertical lift. If you ever need a two-directional stroke or more than the 150 mm MSG standard-stroke limit, step up to the double-acting MG.
| Model | Airtac MSG Stainless Steel Mini Air Cylinder MSG32X100 |
|---|---|
| Series | MSG JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 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. |
| ×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.
Clamp jigs or workpieces with about 281.3 N of push at 0.5 MPa; cut the air and the return spring opens the clamp automatically with no exhaust line needed.
Push finished parts off a conveyor or out of a nest on the 100 mm stroke; the spring retracts the rod for the next cycle, keeping the valve circuit to a single port.
Press caps or lift a light gate with roughly 17 kgf of usable working force at 0.5 MPa; the fixed bumper pad cushions the stroke end on every cycle.
Choose the MSG32X100 when a 32 mm bore matches your force need: 281.3 N push at 0.5 MPa, or 442.1 N at 0.7 MPa, both already net of the return spring. That suits a working load of roughly 17 kgf (about 0.6 of the push force) or a vertical lift around 14 kg. It is the mid-large option in the MSG range, which runs from the 20 mm bore (109.9 N) to the 40 mm bore (439.6 N at 0.5 MPa). Remember the spring-return design: the rod retracts on air loss, and the cylinder needs at least 0.2 MPa to overcome the spring, so it will not hold a load in place and the bumper pad is not a brake. The 100 mm stroke is within the 150 mm MSG standard maximum; for a two-way stroke or longer travel, use the double-acting MG instead. Add FA, LB, CB or SDB mounting and I/Y knuckles as needed, and order the -S version if you want CMSG/DMSG/EMSG switch sensing; this non-S model carries no magnet and accepts no sensor.
Quick checklist
Net push (already after the return spring) is 281.3 N at 0.5 MPa and 442.1 N at 0.7 MPa. Operating pressure is 0.2-1.0 MPa (28-145 psi), proof pressure 1.5 MPa (215 psi), speed 50-800 mm/s, temperature -20 to +70 C, with air filtered to 40 um. The spring sets the 0.2 MPa minimum, below which the rod cannot fully extend.
Air fills one port to extend the rod; releasing it lets the internal spring retract the rod to its rest position, so on air loss the cylinder returns rather than holding a load. This base model has no magnet, so no switch can be mounted; order the MSG32X100S to enable CMSG, DMSG or EMSG reed sensors. Compared with the double-acting MG, the MSG uses one air line, saves air, and is limited to a 150 mm standard stroke.
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