Airtac MSF Single Acting Mini Cylinder MSF25X30CM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X30CM 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 MSF25X30CM
Delivering 192.8 N of push force at 0.5 MPa (290.9 N at 0.7 MPa), this 25 mm bore mini cylinder uses compressed air to extend the rod and an internal spring to retract it. Because it is single-acting, you only plumb one 1/8" port, which simplifies valve requirements and ensures the rod fails to the retracted position on air loss. The 30 mm stroke CM round-end rear cover configuration fits neatly into compact assemblies.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, it offers shorter overall mounting dimensions than an ISO 6432 cylinder of the same bore and stroke. The quoted push figures are already net of the return spring, and the design relies on fixed TPU bumper pads rather than an adjustable cushion. 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 margin.
Airtac MSF Single Acting Mini Cylinder MSF25X30CM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X30CM |
|---|---|
| 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 MSF25X30CM
| 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 MSF25X30CM Is Used
Part Ejection
Uses the 192.8 N push force to positively eject machined parts from a fixture, relying on the spring to reset the rod automatically.
Flow Gating
Acts as a compact 30 mm stroke diverter gate on a conveyor line, extending to block flow and safely retracting if air pressure drops.
Bin Clamping
Secures light cardboard bins during filling; the single-acting design ensures the clamp releases backward to a safe rest state upon air loss.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X30CM the Right Cylinder?
When sizing this 25 mm bore option against the MSF family, stepping down to the MSF20 reduces the 0.5 MPa push force to 117.5 N, while moving up to the MSF32 increases it to 323.3 N. This MSF25X30CM suits spring-return clamping, ejecting, or gating tasks where the load acts only on the extension stroke; it cannot be loaded on the return. Maintain at least 0.2 MPa operating pressure to overcome the internal spring. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion brackets. Note that this specific SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG position sensors.
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 MSF25X30CM FAQ
The single-acting push force is 192.8 N at 0.5 MPa and 290.9 N at 0.7 MPa. These figures are net of the spring return. You must supply at least 0.2 MPa to overcome the spring, with a maximum operating pressure of 1.0 MPa and a proof pressure of 1.5 MPa.
No, this specific SKU does not include a magnet. To use CMSG, DMSG, or EMSG magnetic switches, you must select the -S variant of the MSF25. Additionally, because it is single-acting, the internal spring drives the rod to the retracted position on air loss and cannot hold a mid-stroke load.
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