Airtac MSF Single Acting Mini Cylinder MSF25X80SCM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X80SCM is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 80mm stroke, 1/8" 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.
- BoreØ25 mm
- Stroke80 mm
- Port size1/8"
- Acting typeSingle acting, push (spring return)
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MSF Single Acting Mini Cylinder MSF25X80SCM
Generating 192.8 N of push force at 0.5 MPa, this AirTAC MSF25X80SCM mini cylinder uses compressed air to extend the rod and an internal spring to retract it. Because it is single-acting, you only pipe and valve a single 1/8" port, which simplifies routing. The quoted force is already net of the return spring, yielding a safe working load of roughly 116 N or a 9.8 kg vertical lift with a 2:1 margin.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, the body is deliberately shorter than an ISO 6432 cylinder of the same bore and stroke. This specific configuration includes the -S piston magnet for CMSG, DMSG or EMSG switches, and a CM round-end rear cover. Fixed TPU bumper pads absorb end-of-stroke impact across the 50-800 mm/s speed range.
Airtac MSF Single Acting Mini Cylinder MSF25X80SCM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X80SCM |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 80 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 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 (Ø25mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 192.8 N |
| 0.7 MPa | 290.9 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 MSF25X80SCM
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | 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 MSF25X80SCM Is Used
Spring-Return Clamping
Uses the 192.8 N push output to hold light workpieces, automatically releasing and retracting when air pressure is removed.
Package Ejector
Extends 80 mm to push lightweight cartons off a belt, relying on the internal spring to reset quickly between cycles.
Pneumatic Gate Actuator
Shifts small diverter gates with a safe working load near 116 N, failing safely to the closed position if the air supply drops.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X80SCM the Right Cylinder?
When sizing this 25 mm bore, compare it both ways: the smaller MSF20 offers 117.5 N at 0.5 MPa, while the larger MSF32 provides 323.3 N at 0.5 MPa. Choose this 192.8 N model for light clamping, ejecting or gating tasks where the spring naturally retracts the rod on air loss. Remember the 0.2 MPa pressure floor—below that, the spring wins and the rod will not extend. The -S magnet enables position sensing, and the CM back cover dictates your rear mounting geometry.
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 MSF25X80SCM FAQ
The single-acting push force is 192.8 N at 0.5 MPa and 290.9 N at 0.7 MPa. It requires a minimum operating pressure of 0.2 MPa to overcome the return spring, with a maximum of 1.0 MPa.
No. On air loss, the internal spring drives the rod to the fully retracted rest position; it cannot hold an arbitrary mid-stroke load. For mid-stroke holding, use a double-acting MF cylinder with an external rod lock.
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