Airtac MTF Mini Cylinder MTF40X75UTC
The AirTAC Airtac MTF Mini Cylinder MTF40X75UTC is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø40mm bore and 75mm 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
- Stroke75 mm
- Port size1/4"
- Acting typeSingle acting, pull (spring return)
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
About the Airtac MTF Mini Cylinder MTF40X75UTC
Delivering 434.8 N of net pull at 0.5 MPa, the AirTAC MTF40X75UTC is built for heavy-duty tensioning and air-close tasks. This JIS-standard round-body mini cylinder uses a SUS304 stainless barrel and riveted aluminium covers, yielding a shorter mounting envelope than an ISO 6432 unit of the same bore and stroke. The internal spring constantly pushes the rod out, meaning a loss of air pressure safely drives the piston to its extended rest state.
Because air only retracts the rod, this model provides an inherent fail-safe open mechanism for clamping and gripping. It features a 16 mm rod, an M14x1.5 male thread, and a 1/4" port. This specific SKU lacks the -S magnet, so it cannot host CMSG, DMSG, or EMSG sensors. Fixed TPU bumper pads absorb end-of-stroke impacts across the 75 mm travel, supporting speeds of 50-800 mm/s. Based on the 0.5 MPa rating, the safe working load is roughly 261 N, or about 22.2 kg of vertical lift with a 2:1 margin.
Airtac MTF Mini Cylinder MTF40X75UTC Technical Specifications
| Model | Airtac MTF Mini Cylinder MTF40X75UTC |
|---|---|
| Series | MTF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 75 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 MTF40X75UTC
| MTF | JIS-standard round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 40 | Bore size in mm. |
| ×75 | 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 MTF40X75UTC Is Used
Fail-Safe Gate Release
Uses the robust spring extension to hold a heavy guard fully open, applying 434.8 N of pull at 0.5 MPa to snap the gate shut securely when air is applied.
Tensioning Station
Maintains constant pulling tension on a belt or web during production, retracting the material via air and relaxing instantly on air loss.
Brake Disengagement
Pulls a mechanical brake caliper back against the spring via the M14x1.5 rod thread, ensuring the brake engages automatically if pneumatic pressure drops.
Is the Airtac MTF Mini Cylinder MTF40X75UTC the Right Cylinder?
When sizing this 40 mm bore, compare its 434.8 N @0.5 MPa pull against the next size down: the MTF32 offers 266.8 N @0.5 MPa. Since 40 mm is the largest bore in the MTF family, you must split the load or switch to a double-acting MF cylinder if 434.8 N is insufficient. Choose this single-acting pull type for mechanisms requiring a spring-extended, air-retracted motion, such as normally-open gates or brake releases.
Ensure your air supply provides at least the 0.2 MPa floor to overcome the spring force, with a maximum of 1.0 MPa. This U-flat-end rear cover configuration mounts via the included TC trunnion accessory. If your sequence requires position feedback, select the -S magnet variant to enable CMSG, DMSG, or EMSG switches.
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 MTF40X75UTC FAQ
This 40 mm bore cylinder provides 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 and retract the rod.
The internal spring constantly extends the rod, so on air loss it fails to the fully extended position; it cannot hold a mid-stroke load. This SKU also lacks a magnet (-S), so it cannot support CMSG, DMSG, or EMSG sensors.
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