Airtac MSF Single Acting Mini Cylinder MSF20X25SCA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF20X25SCA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø20mm 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.
- BoreØ20 mm
- Stroke25 mm
- Port size1/8"
- Acting typeSingle acting, push (spring return)
- Rod threadM8×1.25
- 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 MSF20X25SCA
Delivering 117.5 N of push force at 0.5 MPa, this AirTAC MSF20X25SCA mini cylinder uses compressed air to extend the rod and an internal spring to retract it. Because it is single-acting, you only need to plumb one 1/8" port, simplifying valve requirements. The quoted force is already net of the return spring, yielding a safe working load of roughly 71 N or a vertical lift capacity of about 6 kg with a 2:1 margin.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, it occupies a shorter mounting envelope than an ISO 6432 cylinder of the same bore and stroke. The -S suffix adds a piston magnet for CMSG, DMSG, or EMSG position sensing, while the CA rear pivot cover supports direct pivoting. Fixed TPU bumper pads absorb end-of-stroke impact across its 50-800 mm/s speed range.
Airtac MSF Single Acting Mini Cylinder MSF20X25SCA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF20X25SCA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 25 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 117.5 N |
| 0.7 MPa | 181.3 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 MSF20X25SCA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 20 | 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 MSF20X25SCA Is Used
Light-Duty Clamping
Provides 117.5 N of push force at 0.5 MPa to secure small components during machining, releasing automatically via spring return when air is cut.
Parts Ejection
Ejects lightweight products from a conveyor line, using the single-acting spring return to safely withdraw the rod between cycles without needing a second air line.
Vertical Lift Gates
Lifts or diverts small items with a safe working load of 71 N, relying on the spring to lower the gate and maintain a fail-safe retracted state during power loss.
Is the Airtac MSF Single Acting Mini Cylinder MSF20X25SCA the Right Cylinder?
When sizing this 20 mm bore model, compare its 117.5 N @0.5 MPa output against the next size up: the MSF25 provides 192.8 N @0.5 MPa if your clamp or ejector needs more authority. As the smallest available MSF bore, there is no smaller option, so if 71 N of safe working load is insufficient, step up to the 25 mm version. Ensure your supply stays at or above the 0.2 MPa floor, otherwise the internal spring will overpower the air and prevent extension.
This spring-return configuration is ideal for operations that must fail safely to the retracted position on air loss. Mounting is versatile via the CA pivot cover, and because this SKU includes the -S magnet, you can directly mount CMSG, DMSG, or EMSG sensors for stroke confirmation.
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 MSF20X25SCA FAQ
This 20 mm bore cylinder provides a net push force of 117.5 N at 0.5 MPa and 181.3 N at 0.7 MPa. It requires a minimum operating pressure of 0.2 MPa to overcome the return spring, with a maximum pressure of 1.0 MPa and a proof pressure of 1.5 MPa.
No, the internal spring drives the rod to the fully retracted position upon air loss, so it cannot hold a mid-stroke load. For mid-stroke holding, use a double-acting MF cylinder with an external rod lock. This model includes the -S magnet for CMSG/DMSG/EMSG sensors and a CA pivot cover.
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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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Most inquiries answered within 7-8 hours.
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