Airtac MSF Single Acting Mini Cylinder MSF25X75U
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X75U is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 75mm 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
- Stroke75 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 MSF25X75U
Delivering 192.8 N of push force at 0.5 MPa, this JIS-standard round-body mini cylinder uses a SUS304 stainless barrel and riveted aluminium covers to resist mild washdown. Air extends the Ø10 mm rod, while an internal spring retracts it, meaning you only plumb a single 1/8" port. The quoted force is already net of that spring.
Because it is a single-acting push type, the body is notably shorter than an ISO 6432 cylinder of the same 25 mm bore and 75 mm stroke. This SKU features a U flat-end rear cover and lacks a magnet, so it cannot host CMSG, DMSG, or EMSG switches. Expect a safe working load of roughly 116 N, or a vertical lift of about 9.8 kg with a 2:1 margin.
Airtac MSF Single Acting Mini Cylinder MSF25X75U Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X75U |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 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 MSF25X75U
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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 MSF25X75U Is Used
Part Ejection
Pushes finished components out of a machining fixture with 192.8 N at 0.5 MPa, retracting automatically when air is removed.
Spring-Return Clamping
Holds workpieces securely during processing, relying on the internal spring to release the 10 mm rod safely on air loss.
Gate Diverting
Actuates a lightweight lane diverter on a packaging line, using its 75 mm stroke to route boxes efficiently.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X75U the Right Cylinder?
When sizing this 25 mm bore, step down to the MSF20 for 117.5 N @0.5 MPa or up to the MSF32 for 323.3 N @0.5 MPa. Provide at least 0.2 MPa of air to overcome the return spring. It suits clamping and ejection tasks where loss of air safely drops the load to the retracted state. Mount via LB foot, FA flange, SDB pivot, or TC trunnion; choose the -S magnet version if you need position sensing.
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 MSF25X75U 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 pressure floor is 0.2 MPa to overcome the spring, with a maximum of 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot host CMSG, DMSG, or EMSG switches. You must select an MSF25X75U-S variant to enable magnetic sensing.
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