
The AirTAC Airtac MSG Stainless Steel Mini Air Cylinder MSG32X150 is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø32mm bore and 150mm 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 MSG32X150 is a single acting, push type JIS round-body mini cylinder: compressed air extends the 12 mm rod through a 150 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 simplifies plumbing for one-way clamping, ejecting and pressing tasks. The 32 mm bore delivers about 281.3 N push at 0.5 MPa and 442.1 N at 0.7 MPa, both already net of the return spring, so the figures you read are the figures the rod actually applies.
Construction suits damp and washdown environments: a SUS304 stainless barrel with a hard-chrome plated carbon-steel rod, riveted covers, a two-way lubricant-storing piston seal and a fixed anti-impact bumper pad that softens the stroke ends. The spring return caps the standard stroke at 150 mm for this bore, and the spring also sets a 0.2 MPa minimum working pressure. As a rule of thumb, size the working load at about 0.6 of the push force, roughly 169 N at 0.5 MPa, which corresponds to a safe vertical lift of around 14 kg. If you need a two-directional stroke or longer travel, step up to the double-acting MG series.
| Model | Airtac MSG Stainless Steel Mini Air Cylinder MSG32X150 |
|---|---|
| Series | MSG JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 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. |
| ×150 | 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.
Air extends the rod to clamp a jig or workpiece; on valve exhaust the return spring retracts the rod automatically, so one 3-way valve and one air line complete the circuit.
With about 281.3 N push at 0.5 MPa, the 32 mm bore ejects stamped or molded parts off a fixture at the end of a cycle, with the spring pulling the platen back for the next load.
Suited to light press-fit and lid-closing stations or lifting a small gate of roughly 14 kg vertically, using the safe working load of about 0.6 of the rated push force.
Choose the MSG32X150 when a one-way push of about 281.3 N at 0.5 MPa over a 150 mm stroke is enough and a spring return is acceptable. It is the largest standard MSG bore class below the 40 mm version, which reaches 439.6 N at 0.5 MPa; the 25 mm bore manages only 171.8 N. Note the spring-return design sets a 0.2 MPa (28 psi) minimum working pressure and limits the standard stroke to 150 mm, so for a two-directional or longer stroke select the double-acting MG instead. Mounting options are LB foot, FA flange, CB clevis and SDB pivot, with I and Y rod knuckles; add the S code if you want CMSG, DMSG or EMSG switch sensing. This no-S model carries no magnet, so no sensor can be mounted. Port is 1/8" on every MSG bore; thread options are PT (blank), G or NPT.
Quick checklist
The 32 mm bore produces 281.3 N push at 0.5 MPa and 442.1 N at 0.7 MPa, both net of the return spring. Operating pressure is 0.2-1.0 MPa (28-145 psi) with a 1.5 MPa (215 psi) proof pressure, working temperature -20 to +70 C, speed 50-800 mm/s, and air filtered to 40 um. The port is 1/8" and the male rod thread is M10x1.25.
Air only extends the rod; when pressure is released the internal spring retracts it to the rest position, so the cylinder does not hold a load on air loss and the fixed bumper pad only softens the stroke end. This no-S model has no magnet, so no switch can be fitted; order the -S version to mount CMSG, DMSG or EMSG switches. For a two-directional stroke, choose the double-acting MG.
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