Airtac MSF Single Acting Mini Cylinder MSF25X25SCA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X25SCA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 25mm 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
- Stroke25 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 MSF25X25SCA
Delivering 192.8 N of push force at 0.5 MPa (290.9 N at 0.7 MPa), this JIS-standard round-body mini cylinder uses air to extend the rod and an internal spring to retract it. The MSF25X25SCA features a SUS304 stainless steel barrel with riveted aluminium covers, resisting mild corrosion and washdown environments. Because it is single-acting, you only plumb one 1/8" port, simplifying valve requirements. It also fails safely to the retracted position on air loss.
The quoted push figures are already net of the return spring, meaning the internal mechanism does not steal your usable work. For this 25 mm bore, the safe working load is approximately 116 N, which equates to clamping or lifting about 9.8 kg vertically with a 2:1 safety margin. The riveted body is shorter than a comparable ISO 6432 unit, saving valuable mounting length. This specific SKU includes a built-in magnet (-S) for CMSG, DMSG, or EMSG sensors, and uses a CA rear pivot cover.
Airtac MSF Single Acting Mini Cylinder MSF25X25SCA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X25SCA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 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 MSF25X25SCA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×25 | 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 MSF25X25SCA Is Used
Spring-Return Clamping
Provides 192.8 N of push force to secure parts during machining, automatically releasing to the retracted position when air pressure is removed.
Package Ejector Gate
Uses the 25 mm stroke to push light cartons off a line, relying on the internal spring to retract the 10 mm rod quickly between cycles.
Vertical Lift Stop
Safely lifts or holds loads up to roughly 9.8 kg against gravity, using the single 1/8" port for simple directional control.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X25SCA the Right Cylinder?
Size this bore against its neighbours: if 192.8 N at 0.5 MPa is excessive for your task, drop down to the MSF20 which provides 117.5 N; if you need more punch, the MSF32 offers 323.3 N. Single-acting push cylinders excel in spring-return clamping, ejecting, and gating where air loss must default to a safe retracted state. Maintain at least 0.2 MPa operating pressure to overcome the return spring, up to the 1.0 MPa maximum. Mounting is straightforward using the CA pivot back cover, and position sensing is ready out of the box thanks to the -S magnet option.
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 MSF25X25SCA FAQ
It generates 192.8 N of push force at 0.5 MPa and 290.9 N at 0.7 MPa. These figures are net of the return spring. The operating pressure must be at least 0.2 MPa to overcome the spring, up to 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. This -S model supports CMSG, DMSG, and EMSG sensors.
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