Airtac MSF Single Acting Mini Cylinder MSF40X25UTC
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF40X25UTC is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø40mm bore and 25mm stroke, 1/4" 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.
- BoreØ40 mm
- Stroke25 mm
- Port size1/4"
- Acting typeSingle acting, push (spring return)
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MSF Single Acting Mini Cylinder MSF40X25UTC
Delivering 535.3 N of push force at 0.5 MPa, the AirTAC MSF40X25UTC is a JIS-standard round-body mini cylinder built for single-acting operation. Air extends the 16 mm rod through a 25 mm stroke, while an internal spring retracts it, meaning you only pipe and valve a single 1/4" port. The SUS304 stainless barrel and riveted aluminium covers resist mild corrosion and washdown environments.
Because the quoted force is already net of the return spring, you can confidently apply a safe working load of about 321 N or vertically lift roughly 27.3 kg with a 2:1 margin. This compact riveted body is shorter than an ISO 6432 cylinder for the same footprint, and it uses fixed TPU bumper pads rather than an adjustable cushion. Note this specific SKU lacks the -S magnet, so it cannot host CMSG, DMSG, or EMSG sensors.
Airtac MSF Single Acting Mini Cylinder MSF40X25UTC Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF40X25UTC |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 25 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 (Ø40mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 535.3 N |
| 0.7 MPa | 786.5 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 MSF40X25UTC
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 40 | 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 MSF40X25UTC Is Used
Heavy Part Ejection
Uses the full 535.3 N push stroke to positively eject dense machined metal components from a fixture, relying on the spring to safely withdraw the pin.
Pallet Gating
Acts as a robust stop gate for heavy pallets, extending to halt flow and snapping back to retracted rest when air is removed.
Vertical Lift Stop
Raises lightweight cartons of about 27 kg against gravity, using the spring return to lower the load without consuming a second air line.
Is the Airtac MSF Single Acting Mini Cylinder MSF40X25UTC the Right Cylinder?
When sizing this 40 mm bore, compare its 535.3 N @0.5 MPa output against the next size down: the MSF32 offers 323.3 N @0.5 MPa. Since 40 mm is the largest available MSF bore, you would need to switch series entirely if more thrust is required. Maintain at least a 0.2 MPa operating pressure to ensure air overcomes the return spring. This U flat-end rear cover configuration pairs seamlessly with the included TC trunnion mount for pivot applications.
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 MSF40X25UTC FAQ
It generates 535.3 N of thrust at 0.5 MPa and 786.5 N at 0.7 MPa. Operating pressure must stay between 0.2 and 1.0 MPa, as a minimum of 0.2 MPa is required to overcome the internal return spring.
No, this specific SKU does not include the -S magnet option, so it cannot support CMSG, DMSG, or EMSG switches. You would need the -S variant for magnetic sensing.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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