Airtac MSF Single Acting Mini Cylinder MSF25X15CA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X15CA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 15mm 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
- Stroke15 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 MSF25X15CA
Delivering 192.8 N of push force at 0.5 MPa (290.9 N at 0.7 MPa), this AirTAC 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 SUS304 stainless round body and riveted aluminium covers yield a shorter mounting envelope than an ISO 6432 unit of the same bore and stroke.
The quoted force is already net of the return spring, providing a safe working load of about 116 N or a 9.8 kg vertical lift with a 2:1 margin. This CA-cover version includes a rear pivot for direct mounting. It uses fixed TPU bumper pads for end-of-stroke deceleration and lacks a magnet, so it cannot accept position sensors.
Airtac MSF Single Acting Mini Cylinder MSF25X15CA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X15CA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 15 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 MSF25X15CA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×15 | 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 MSF25X15CA Is Used
Parts Clamping
Supplies 192.8 N of push force at 0.5 MPa to hold light machined components securely during secondary operations.
Package Ejector
Uses its 15 mm stroke to knock small cartons off a line, with the internal spring ensuring retraction if air pressure drops.
Pivot Gate Actuator
Leverages the rear CA pivot cover to swing a diverter gate, relying on the fail-safe retracted position for traffic control.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X15CA 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. The single-acting spring-return design fits clamping, ejecting, and gating tasks where air loss must default to a safe retracted state. Maintain at least 0.2 MPa operating pressure to overcome the spring. The rear CA pivot cover suits articulated rod-end loading, and because this specific SKU lacks the -S magnet, you must select a magnetized variant if you need CMSG, DMSG, or EMSG switches.
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 MSF25X15CA FAQ
It generates 192.8 N of push force at 0.5 MPa and 290.9 N at 0.7 MPa. The operating pressure ranges from 0.2 to 1.0 MPa, with a 0.2 MPa floor required to overcome the internal return spring.
No, this SKU does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You would need the -S variant for position sensing.
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