Airtac MSF Single Acting Mini Cylinder MSF40X100CM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF40X100CM 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 MSF40X100CM
Delivering 535.3 N of push force at 0.5 MPa, this AirTAC MSF40X100CM 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 1/4 inch port, which simplifies valve requirements and ensures the rod fails to the retracted position on air loss. The SUS304 stainless round-body barrel is riveted to aluminium covers, resisting mild washdown while saving mounting length compared to an ISO 6432 unit of the same 40 mm bore and 100 mm stroke.
The quoted thrust is already net of the return spring, meaning the full 535.3 N is your usable output at 0.5 MPa. For practical sizing, a safe working load is about 321 N, or roughly 27 kg of vertical lift with a 2:1 margin. This SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG sensors, and end-of-stroke deceleration is handled by fixed TPU bumper pads rather than an adjustable cushion.
Airtac MSF Single Acting Mini Cylinder MSF40X100CM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF40X100CM |
|---|---|
| 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 MSF40X100CM
| 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 MSF40X100CM Is Used
Heavy Part Ejection
Uses the 535.3 N push force to positively eject dense machined metal components from a fixture, relying on the spring to reset the plunger between cycles.
Vertical Lift Gates
Raises lightweight material handling gates weighing up to 27 kg with a safe 2:1 margin, automatically lowering them via spring return when air is removed.
Secure Clamping
Holds workpieces under 321 N of safe working load during secondary operations, venting to release the clamp and fail-safeing to the open position.
Is the Airtac MSF Single Acting Mini Cylinder MSF40X100CM the Right Cylinder?
When sizing this 40 mm bore, compare its 535.3 N @0.5 MPa thrust against the next size down: the MSF32 offers 323.3 N. Since 40 mm is the largest MSF bore available, moving up in force requires a different cylinder family. Maintain at least 0.2 MPa operating pressure, otherwise the internal spring will overpower the air and prevent extension. The CM round-end rear cover works well with LB foot, FA flange, SDB pivot, and TC trunnion mounts. If your sequence requires position feedback, select the -S magnet variant to enable sensing.
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 MSF40X100CM 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 rod.
No. On air loss, the spring drives the rod to the retracted position, so it cannot hold an arbitrary mid-stroke load. Additionally, this specific SKU lacks a magnet, meaning it cannot support CMSG, DMSG, or EMSG sensors; you would need the -S variant for position feedback.
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