Airtac MTF Mini Cylinder MTF32X40CM
The AirTAC Airtac MTF Mini Cylinder MTF32X40CM is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø32mm bore and 40mm 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.
- BoreØ32 mm
- Stroke40 mm
- Port size1/4"
- Acting typeSingle acting, pull (spring return)
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MTF Mini Cylinder MTF32X40CM
Generating 266.8 N of pull at 0.5 MPa, this 32 mm bore unit is a JIS-standard round-body mini cylinder built for single-acting pull operation. A built-in spring holds the rod extended at rest, while supplying air to the 1/4 inch port retracts it. Because the body is shorter than a comparable ISO 6432 cylinder for the same stroke, it saves valuable mounting length, and the SUS304 stainless barrel handles mild washdowns.
The quoted pull force is already net of the spring resistance, requiring a minimum 0.2 MPa operating pressure to overcome it. For sizing, this translates to a safe working load of about 160 N, or lifting roughly 13.6 kg vertically with a 2:1 safety margin. This specific SKU lacks a magnet and cannot host position sensors; adding the -S option enables CMSG, DMSG, or EMSG switches. End-of-stroke deceleration relies on fixed TPU bumper pads rather than an adjustable cushion.
Airtac MTF Mini Cylinder MTF32X40CM Technical Specifications
| Model | Airtac MTF Mini Cylinder MTF32X40CM |
|---|---|
| Series | MTF JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 40 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/4" |
| Rod thread | M10×1.25 |
| 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 (Ø32mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 266.8 N |
| 0.7 MPa | 405.0 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 MTF32X40CM
| MTF | JIS-standard round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 32 | Bore size in mm. |
| ×40 | 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 MTF32X40CM Is Used
Spring-Open Gates
Use the 266.8 N pull to pneumatically close gates, relying on the internal spring to automatically push them back open if the air supply drops.
Wire Tensioning
Apply constant tension to cables or webs, utilizing the spring-extended rest position to maintain pull when air pressure is removed.
Fail-Safe Retraction
Pull a tool back out of the way during an outage; the spring ensures the rod extends to a safe clear position without air.
Is the Airtac MTF Mini Cylinder MTF32X40CM the Right Cylinder?
When sizing this 32 mm bore, compare its 266.8 N pull at 0.5 MPa against the smaller MTF25, which yields 153.6 N, or the larger MTF40, which provides 434.8 N. Choose this model for tensioning, clamping, or fail-safe-open tasks where the spring must drive the rod out upon air loss. It operates between 0.2 and 1.0 MPa, needing at least the 0.2 MPa floor to retract the rod against the spring.
The included CM round-end back cover suits compact pivot or direct mounting arrangements. Since this base configuration has no magnet, it cannot support magnetic sensing; select the -S variant if your control system requires CMSG, DMSG, or EMSG switches. Mounting options include LB foot, FA flange, SDB pivot-block, and TC trunnion brackets.
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 MTF32X40CM FAQ
It delivers a net pull force of 266.8 N at 0.5 MPa and 405 N at 0.7 MPa. The operating pressure ranges from 0.2 to 1.0 MPa, with a 0.2 MPa minimum required to overcome the return spring and retract the rod.
No, this specific SKU lacks a magnet and cannot accept CMSG, DMSG, or EMSG switches. You must select the -S magnet option for position sensing. It also features a CM round-end cover and fixed TPU bumper pads.
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