Airtac MTF Mini Cylinder MTF40X80SCA
The AirTAC Airtac MTF Mini Cylinder MTF40X80SCA is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø40mm bore and 80mm 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
- Stroke80 mm
- Port size1/4"
- Acting typeSingle acting, pull (spring return)
- Rod threadM14×1.5
- 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 MTF Mini Cylinder MTF40X80SCA
Delivering a robust 434.8 N of net pull force at 0.5 MPa, this 40 mm bore pneumatic unit is built for heavy-duty tensioning and air-close tasks. It features a JIS-standard round-body design with a SUS304 stainless barrel and riveted aluminium covers. Because it is a single-acting pull cylinder, an internal spring holds the rod extended at rest; applying compressed air through the 1/4 inch port retracts the 16 mm rod. This fail-safe-to-extended behavior ensures your mechanism opens automatically if air pressure drops.
The riveted construction is shorter than an ISO 6432 cylinder of the same bore and stroke, saving valuable machine space while resisting mild corrosion and washdown. It includes a built-in piston magnet (-S) for CMSG, DMSG, or EMSG sensors, and a CA pivot back cover for direct pivoting. End-of-stroke impacts are absorbed by fixed TPU bumper pads. For sizing, this model provides a safe working load of about 261 N, which translates to lifting or holding roughly 22.2 kg vertically with a 2:1 safety margin.
Airtac MTF Mini Cylinder MTF40X80SCA Technical Specifications
| Model | Airtac MTF Mini Cylinder MTF40X80SCA |
|---|---|
| Series | MTF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 80 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 MTF40X80SCA
| MTF | JIS-standard round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 40 | Bore size in mm. |
| ×80 | 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 MTF40X80SCA Is Used
Fail-Safe Gate Opening
Uses the spring to hold a heavy guard fully open. Air retracts the 16 mm rod to pull the gate closed, automatically returning it to the open position if air pressure is lost.
Heavy Tensioning
Applies continuous pulling tension on cables or webbing via the internal spring, using the 434.8 N air pull to release or reset the tensioning mechanism on demand.
Spring-Return Clamping
Maintains clamping force in the extended position without continuous air consumption. Air retracts the rod to load a new part, saving energy in packaging lines.
Is the Airtac MTF Mini Cylinder MTF40X80SCA the Right Cylinder?
When sizing this 40 mm bore, compare its 434.8 N pull at 0.5 MPa against the next size down: an MTF32 generates 266.8 N. Since 40 mm is the largest available MTF bore, heavier loads require a different cylinder family. Choose this single-acting pull model for spring-open, air-close operations, tensioning, or return-to-extended fail-safe mechanisms. It requires a minimum operating pressure of 0.2 MPa to overcome the internal spring, with a maximum of 1.0 MPa.
The integrated -S magnet enables position sensing with CMSG, DMSG, or EMSG switches. Mounting is streamlined by the included CA pivot back cover, and the male M14x1.5 rod thread accommodates standard attachments. Remember that the spring drives the rod to the fully extended position on air loss; it will not hold a load at mid-stroke.
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 MTF40X80SCA FAQ
This single-acting 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 return spring, with a maximum pressure limit of 1.0 MPa.
The internal spring constantly extends the rod, meaning the cylinder fails to the extended position on air loss. The -S designation indicates a built-in piston magnet for use with CMSG, DMSG, or EMSG sensors. The CA back cover allows pivot mounting.
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Standard models are processed and dispatched in 3-5 business days.
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