Airtac MTF Mini Cylinder MTF40X100SCA
The AirTAC Airtac MTF Mini Cylinder MTF40X100SCA is a genuine single acting, pull (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, pull (spring return)
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
About the Airtac MTF Mini Cylinder MTF40X100SCA
Delivering a robust 434.8 N of net pull force at 0.5 MPa, the AirTAC MTF40X100SCA is a JIS-standard round-body mini cylinder built for single-acting pull operation. A built-in spring holds the rod in the extended position at rest, while supplying air to the 1/4 inch port retracts it. Because the spring actively pushes the rod out, the cylinder automatically fails to the extended position upon air loss, making it an excellent choice for spring-open and air-close mechanisms. The riveted aluminium covers and SUS304 stainless steel barrel resist mild corrosion and washdown environments.
This 40 mm bore, 100 mm stroke variant features a 16 mm piston rod with an M14x1.5 male thread. It includes a CA pivot back cover for direct pivoting and an -S magnet for position sensing. With a safe working load of roughly 261 N and a vertical lift capacity of about 22.2 kg using a 2:1 safety margin, it provides substantial tensioning power. Fixed TPU bumper pads absorb end-of-stroke impact across the 50-800 mm/s speed range.
Airtac MTF Mini Cylinder MTF40X100SCA Technical Specifications
| Model | Airtac MTF Mini Cylinder MTF40X100SCA |
|---|---|
| Series | MTF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 mm |
| Acting type | Single acting, pull (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 | Pull force (spring return) |
|---|---|
| 0.5 MPa | 434.8 N |
| 0.7 MPa | 645.8 N |
Single-acting pull: the spring extends the rod; air retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
Model Code: Airtac MTF Mini Cylinder MTF40X100SCA
| MTF | JIS-standard round-body mini cylinder (single-acting pull, 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 MTF Mini Cylinder MTF40X100SCA Is Used
Heavy-Duty Tensioning
Pulls and holds up to 22.2 kg with a 2:1 safety margin, ideal for maintaining strong, consistent tension on packaging webs or material feeds.
Fail-Safe Open Valves
Keeps heavy process valves open via spring force; applying air retracts the 16 mm rod to close the valve, ensuring a safe extended state during power loss.
Pneumatic Latching
Provides a robust 434.8 N retraction force to pull security latches or heavy gate pins out of the way when actuated, relying on the spring to re-engage them.
Is the Airtac MTF Mini Cylinder MTF40X100SCA the Right Cylinder?
When sizing this 40 mm bore unit, compare it directly against the smaller MTF32, which yields 266.8 N of pull at 0.5 MPa. If your application requires less force, the MTF32 is more compact; however, the MTF40 is the largest bore available in the MTF series, offering maximum pulling power with no larger step up. Ensure your air supply meets the 0.2 MPa minimum floor required to overcome the internal spring before retraction can begin.
The included CA pivot back cover suits articulated rod-end loads, while the -S magnet allows integration of CMSG, DMSG, or EMSG sensors for precise position confirmation. For applications needing a held mid-stroke load on air loss, note that this spring-return design always drives to the extended position; a double-acting MF cylinder with an external rod lock would be required instead.
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 MTF Mini Cylinder MTF40X100SCA FAQ
This single-acting pull cylinder delivers a net pull force of 434.8 N at 0.5 MPa and 645.8 N at 0.7 MPa. It requires a minimum operating pressure of 0.2 MPa to overcome the internal return spring, with a maximum pressure rating of 1.0 MPa.
The internal spring constantly drives the rod to the fully extended position. If air pressure is lost, the cylinder fails safely to the extended state and cannot hold a mid-stroke load. The SUS304 stainless build and CA pivot cover ensure reliable performance in demanding setups.
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