Airtac MSF Single Acting Mini Cylinder MSF32X80SU
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF32X80SU is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø32mm bore and 80mm stroke, 1/4" air ports and a SUS304 stainless-steel barrel for mildly corrosive environments. For the same bore and stroke it is shorter than an ISO 6432 cylinder, saving mounting space.
- BoreØ32 mm
- Stroke80 mm
- Port size1/4"
- Acting typeSingle acting, push (spring return)
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MSF Single Acting Mini Cylinder MSF32X80SU
Delivering 323.3 N of push force at 0.5 MPa (484.1 N at 0.7 MPa), this 32 mm bore mini cylinder uses air to extend the rod and an internal spring to retract it. Because you only plumb a single 1/4" port, valve complexity drops, and the unit fails to the retracted position on air loss. The quoted force is already net of the return spring. With a practical safe working load of roughly 194 N, it can vertically lift or clamp about 16.5 kg with a 2:1 safety margin.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, the body is notably shorter than an ISO 6432 cylinder of the same bore and stroke. It features fixed TPU bumper pads, a U flat-end back cover, and an 80 mm stroke. The -S suffix equips the piston with a magnet for CMSG, DMSG, or EMSG position sensing.
Airtac MSF Single Acting Mini Cylinder MSF32X80SU Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF32X80SU |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/4" |
| 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 TPU bumper pads |
| Max standard stroke | Up to 150 mm |
Specifications follow the official AirTAC MF/MFC (JIS-standard) datasheet. Barrel: SUS304 stainless steel; covers: aluminum alloy (round-body, riveted rolling-packed construction). Thread options: PT (blank) / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 323.3 N |
| 0.7 MPa | 484.1 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.
Model Code: Airtac MSF Single Acting Mini Cylinder MSF32X80SU
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 32 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MF-family variants: MF / MFC (double acting ±cushion), MSF / MTF (single acting push / pull), MFD / MFCD (double rod ±cushion), MFJ / MFCJ (adjustable stroke ±cushion). Back covers CA / U / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MSF Single Acting Mini Cylinder MSF32X80SU Is Used
Part Ejection
Pushes finished 16 kg machined components out of a fixture using 323.3 N of force, relying on the internal spring to retract the 12 mm rod when air is removed.
Clamping Jigs
Secures workpieces during light milling with a safe holding force near 194 N, automatically releasing the clamp if the compressed air supply drops out.
Flow Gate Actuation
Extends an 80 mm stroke to divert packages on a washdown line, where the SUS304 stainless barrel resists mild corrosion from cleaning sprays.
Is the Airtac MSF Single Acting Mini Cylinder MSF32X80SU the Right Cylinder?
If 323.3 N at 0.5 MPa is insufficient, step up to the MSF40 which provides 535.3 N; if your task requires less, the MSF25 offers 192.8 N. This single-acting push design is ideal for simple clamping, ejecting, or gating tasks where the spring return handles the unpowered stroke. You must supply at least 0.2 MPa of air pressure to overcome the return spring. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion brackets to fit your frame.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MSF Single Acting Mini Cylinder MSF32X80SU FAQ
It generates 323.3 N of push force at 0.5 MPa and 484.1 N at 0.7 MPa. Operating pressure ranges from 0.2 MPa to 1.0 MPa, but you need at least 0.2 MPa to overcome the internal return spring. The cylinder has a 1/4" air port.
No. On air loss the spring drives the rod to the retracted position, so it cannot hold an arbitrary mid-stroke load. For a held mid-stroke load, use a double-acting MF cylinder with an external rod lock. The -S variant here allows CMSG/DMSG/EMSG sensors to track end positions.
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