Airtac MSF Single Acting Mini Cylinder MSF40X100SCA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF40X100SCA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø40mm bore and 100mm 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
- Stroke100 mm
- Port size1/4"
- Acting typeSingle acting, push (spring return)
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
About the Airtac MSF Single Acting Mini Cylinder MSF40X100SCA
Delivering 535.3 N of push force at 0.5 MPa, this 40 mm bore pneumatic mini cylinder uses air to extend the rod and an internal spring to retract it. Because it is single-acting, you only pipe and valve one 1/4" port, and it fails safely to the retracted position on air loss. The quoted force is already net of the return spring, meaning the full 535.3 N is available for your work.
Built as a JIS-standard round-body unit with a SUS304 stainless steel barrel and riveted aluminium covers, it is shorter than an ISO 6432 cylinder of the same bore and stroke, saving valuable mounting length while resisting mild corrosion and washdown. The fixed TPU bumper pads absorb end-of-stroke impacts across the 50-800 mm/s speed range. With a 0.5 MPa push, you get a safe working load of roughly 321 N, or a vertical lift capacity of about 27.3 kg with a 2:1 margin.
Airtac MSF Single Acting Mini Cylinder MSF40X100SCA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF40X100SCA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 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 MSF40X100SCA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 40 | 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 MSF40X100SCA Is Used
Heavy-Duty Part Ejection
Provides a robust 535.3 N push to positively eject finished metal or molded parts from a fixture, relying on the spring to retract safely when air is removed.
High-Force Clamping
Ideal for securing heavier workpieces during machining, delivering a safe working load of roughly 321 N to hold components firmly in place.
Vertical Lift Gates
Raises lightweight material handling gates weighing up to 27.3 kg with a 2:1 safety margin, automatically lowering them via spring return upon air loss.
Is the Airtac MSF Single Acting Mini Cylinder MSF40X100SCA the Right Cylinder?
When sizing this 40 mm bore model, compare it directly against the smaller MSF32, which yields 323.3 N at 0.5 MPa; if your clamp or eject needs exceed that, this 535.3 N unit is the correct step up, as 40 mm is the largest available MSF bore. Ensure your air supply stays at or above the 0.2 MPa floor, otherwise the internal spring will overpower the air and prevent extension. The CA rear pivot cover suits articulated rod-end mounting, and because this SKU includes the -S magnet, you can fit CMSG, DMSG, or EMSG sensors for position 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 MSF40X100SCA FAQ
This single-acting cylinder provides a net push force of 535.3 N at 0.5 MPa and 786.5 N at 0.7 MPa. It requires a minimum operating pressure of 0.2 MPa to overcome the internal return spring and extend the 16 mm rod.
No, the spring return drives the rod to the fully retracted position on air loss and cannot act as a controllable brake for mid-stroke holding. For a held mid-stroke load, use a double-acting MF cylinder with an external rod lock. This unit also features a SUS304 stainless barrel and a -S magnet for CMSG/DMSG/EMSG sensors.
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