Airtac MSF Single Acting Mini Cylinder MSF25X30SCA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X30SCA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 30mm 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
- Stroke30 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 MSF25X30SCA
Delivering 192.8 N of push force at 0.5 MPa, this AirTAC mini cylinder uses compressed air to extend the rod and an internal spring to retract it, meaning you only need to plumb a single 1/8" port. Because it is a single-acting push type, it automatically fails to the retracted position on air loss, making it inherently safe for simple clamping or ejection tasks. The quoted force is already net of the return spring.
Built with a SUS304 stainless barrel and riveted aluminium covers, this JIS-standard round-body design is shorter than an ISO 6432 unit of the same bore and stroke, saving valuable mounting length. For practical sizing, expect a safe working load of roughly 116 N, or a vertical lift capacity of about 9.8 kg with a 2:1 safety margin. The CA rear pivot cover and built-in -S magnet further expand its integration options.
Airtac MSF Single Acting Mini Cylinder MSF25X30SCA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X30SCA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 30 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 MSF25X30SCA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×30 | 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 MSF25X30SCA Is Used
Part Ejection
Uses the 192.8 N push force to positively eject machined components from a fixture, with the spring ensuring the rod retracts clear of the workspace on air release.
Diverter Gate
Actuates a lightweight sorting flap on a packaging line; the single 1/8" port simplifies valve requirements while the fail-safe retracted position prevents conveyor jams.
Light Clamping
Holds cardboard cartons or light assemblies in place during a process, applying a safe working load of roughly 116 N without crushing the material.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X30SCA the Right Cylinder?
When sizing this 25 mm bore, compare its 192.8 N @0.5 MPa output against the smaller MSF20 at 117.5 N and the larger MSF32 at 323.3 N. Choose this model when you need positive air pressure to push a load out, but can rely on a spring to bring it back—ideal for ejecting parts or operating light gates. Remember the 0.2 MPa pressure floor; below this, the internal spring wins and the rod will not extend properly.
The included -S piston magnet allows direct mounting of CMSG, DMSG, or EMSG switches for position confirmation. For mounting flexibility, pair the standard front nose with the CA rear pivot cover, or utilise standard LB foot, FA flange, SDB pivot, or TC trunnion brackets. End-of-stroke deceleration is handled by fixed TPU bumper pads across its 50-800 mm/s speed range.
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 MSF25X30SCA FAQ
The single-acting push force is 192.8 N at 0.5 MPa and 290.9 N at 0.7 MPa, measured net of the return spring. It requires a minimum operating pressure of 0.2 MPa to overcome the spring and extend the rod, with a maximum pressure of 1.0 MPa.
No, the internal spring drives the rod to the retracted position on air loss; it cannot hold an arbitrary mid-stroke load. For mid-stroke holding, a double-acting MF cylinder with an external rod lock is required. This model includes the -S magnet for CMSG/DMSG/EMSG sensors.
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