Airtac MSF Single Acting Mini Cylinder MSF25X10SU
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X10SU is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 10mm 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
- Stroke10 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 MSF25X10SU
Delivering a net push force of 192.8 N 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 pipe and valve one 1/8" port, which simplifies automation and ensures the rod fails to the retracted position on air loss. The SUS304 stainless round body and riveted aluminium covers form a JIS-standard assembly that is physically shorter than an equivalent ISO 6432 unit, saving valuable mounting length.
With a 10 mm stroke and a built-in magnet (-S) for CMSG, DMSG or EMSG switches, it suits tight ejector stations. The quoted push force is already net of the return spring, meaning you get the full 192.8 N at 0.5 MPa (290.9 N at 0.7 MPa) for clamping. For context, this bore safely handles a working load of about 116 N, or vertically lifts roughly 9.8 kg with a 2:1 margin. It features fixed TPU bumper pads and a U flat-end rear cover.
Airtac MSF Single Acting Mini Cylinder MSF25X10SU Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X10SU |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 10 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 MSF25X10SU
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×10 | 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 MSF25X10SU Is Used
Short-Stroke Clamping
Uses the 192.8 N push force at 0.5 MPa to hold light machined parts securely, relying on the spring to release the clamp instantly when air is cut.
Package Ejector
Ideal for pushing small cartons off a belt with a 10 mm stroke, failing safely to the retracted position if the air supply drops.
Vertical Lift Gate
Raises a light 9.8 kg diverter flap using the extend stroke, letting the internal spring pull the gate back down to rest.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X10SU the Right Cylinder?
When sizing this unit, compare it both ways: the smaller MSF20 bore yields 117.5 N at 0.5 MPa, while the larger MSF32 provides 323.3 N. Choose this 25 mm model when your application requires a true single-acting push action, such as spring-return clamping or part ejection, where losing air safely retracts the load. Remember the 0.2 MPa pressure floor needed to overcome the spring, and pair the U flat-end cover with LB foot, FA flange, SDB pivot, or TC trunnion mounts as your frame dictates.
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 MSF25X10SU FAQ
It generates a net push force of 192.8 N 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 be at least 0.2 MPa to overcome the spring, with a maximum of 1.0 MPa.
No, the internal spring drives the rod to the fully retracted rest position on air loss; it cannot hold an arbitrary mid-stroke load. The -S magnet allows position confirmation via CMSG, DMSG, or EMSG switches, and the SUS304 stainless barrel resists mild washdown.
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