Airtac MSF Single Acting Mini Cylinder MSF20X100SCA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF20X100SCA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø20mm bore and 100mm 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
- Stroke100 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 MSF20X100SCA
Delivering 117.5 N of push force at 0.5 MPa, this AirTAC MSF20X100SCA 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, and the unit fails safely to the retracted position on air loss. The SUS304 stainless round-body barrel and riveted aluminium covers form a JIS-standard assembly that is physically shorter than an ISO 6432 cylinder of the same 20 mm bore and 100 mm stroke, saving valuable mounting length while resisting mild washdown corrosion. A built-in magnet (-S) enables position sensing, and the CA pivot back cover simplifies rear articulation.
The quoted push force is already net of the return spring, which requires at least 0.2 MPa of operating pressure to overcome. For practical sizing, this bore yields a safe working load of roughly 71 N (about 60% of the 0.5 MPa figure), meaning it can vertically lift or clamp around 6 kg with a 2:1 safety margin. End-of-stroke deceleration is handled by fixed TPU bumper pads rather than an adjustable air cushion, supporting a travel speed of 50-800 mm/s.
Airtac MSF Single Acting Mini Cylinder MSF20X100SCA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF20X100SCA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 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 MSF20X100SCA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | 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 MSF20X100SCA Is Used
Small Part Ejection
Pushes lightweight machined components out of a fixture with 117.5 N of force at 0.5 MPa, relying on the internal spring to reset the plunger between cycles.
Fail-Safe Clamping
Holds a 6 kg workpiece securely during processing; the single-acting design ensures the clamp automatically releases and retracts if the air supply drops.
Package Gating
Acts as a compact 100 mm stroke diverter gate on a packaging line, using its JIS-standard short body to fit within tight conveyor clearances.
Is the Airtac MSF Single Acting Mini Cylinder MSF20X100SCA the Right Cylinder?
Choose this 20 mm bore when your mechanism requires a compact 100 mm stroke and about 71 N of safe working force. If your clamping or ejecting load exceeds this, step up to the MSF25, which provides 192.8 N of push at 0.5 MPa; conversely, there is no smaller MSF bore, so 20 mm is the floor for the series. Single-acting spring-return cylinders are ideal for simple ejection or gating tasks where the load must return to rest unpowered, provided the application does not attempt to drive a load on the retract stroke. Ensure your supply stays at or above the 0.2 MPa floor so air reliably beats the internal spring, and select your CMSG, DMSG or EMSG sensors to pair with the -S magnet. Mounting can be tailored using the CA pivot back cover or standard LB, FA, SDB and TC hardware.
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 MSF20X100SCA FAQ
This single-acting cylinder generates 117.5 N of push force at 0.5 MPa and 181.3 N at 0.7 MPa. These figures are net of the return spring. The operating pressure range is 0.2 to 1.0 MPa; you must supply at least 0.2 MPa to overcome the spring and extend the rod.
No. On air loss, the internal spring drives the rod back to its fully retracted rest position. It cannot hold an arbitrary mid-stroke load and should not be used as a controllable brake. If you need mid-stroke holding, use a double-acting MF cylinder with an external rod lock.
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