Airtac MSF Single Acting Mini Cylinder MSF25X150CM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X150CM is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 150mm 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
- Stroke150 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 MSF25X150CM
Delivering 192.8 N of push force at 0.5 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, simplifying valve requirements while ensuring the rod fails safely to the retracted position on air loss. The SUS304 stainless round body and riveted aluminium covers form a compact JIS-standard assembly that is notably shorter than an ISO 6432 unit of the same bore and stroke.
The quoted output is already net of the return spring, which demands a minimum 0.2 MPa operating pressure to overcome. For practical sizing, expect a safe working load of about 116 N, or a vertical lift capacity near 9.8 kg with a 2:1 margin. This CM round-end variant travels a full 150 mm stroke, decelerating cleanly on fixed TPU bumper pads, though it lacks the -S magnet needed for CMSG, DMSG or EMSG sensors.
Airtac MSF Single Acting Mini Cylinder MSF25X150CM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X150CM |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 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 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 MSF25X150CM
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×150 | 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 MSF25X150CM Is Used
Part Ejection
Pushes stamped parts out of a press bed with 192.8 N at 0.5 MPa, relying on the spring to retract the 150 mm stroke between cycles.
Diverter Gate
Extends to deflect packages on a line, using the single 1/8" port to simplify control while returning to a safe rest position on air loss.
Light Lift Station
Raises a 9.8 kg workpiece vertically using the push stroke, dropping it back down via spring return without needing a second air line.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X150CM the Right Cylinder?
When sizing this unit against the MSF family, step down to the 20 mm bore for lighter 117.5 N @0.5 MPa tasks, or step up to the 32 mm bore if you need 323.3 N @0.5 MPa to overcome higher friction. The 25 mm bore hits a solid middle ground for spring-return clamping, ejecting, or gating tasks where air loss must default to a safe retracted state. Keep your supply at or above the 0.2 MPa floor so the spring does not win, and choose LB foot, FA flange, SDB pivot, or TC trunnion mounts to suit your frame. Since this specific SKU lacks the -S magnet, position sensing is not possible without upgrading to the magnet-equipped variant.
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 MSF25X150CM FAQ
It generates 192.8 N of push force at 0.5 MPa and 290.9 N at 0.7 MPa. Because it is single-acting with a spring return, the operating pressure must stay between 0.2 and 1.0 MPa; below 0.2 MPa the internal spring overpowers the air and retracts the rod.
No, this specific SKU does not include the -S magnet, so it cannot host CMSG, DMSG, or EMSG switches. You would need the -S variant for sensing, though both share the same SUS304 stainless barrel, fixed TPU bumpers, and CM round-end cover.
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