Airtac MTF Mini Cylinder MTF20X100SCM
The AirTAC Airtac MTF Mini Cylinder MTF20X100SCM is a genuine single acting, pull (spring return) JIS-standard round-body mini air cylinder with a Ø20mm bore and 100mm stroke, 1/8" 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.
- BoreØ20 mm
- Stroke100 mm
- Port size1/8"
- Acting typeSingle acting, pull (spring return)
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MTF Mini Cylinder MTF20X100SCM
Delivering a net pull of 93.4 N at 0.5 MPa, this AirTAC MTF20X100SCM mini cylinder uses internal spring pressure to keep the rod extended, while compressed air from the 1/8" port retracts it. This single-acting pull mechanism ensures the rod automatically springs back out to a fail-safe extended position if air pressure drops below the 0.2 MPa floor. The JIS-standard round-body construction, featuring a SUS304 stainless barrel and riveted aluminium covers, is notably shorter than an equivalent ISO 6432 cylinder, saving valuable mounting length.
The 20 mm bore generates 146.1 N of pull force at 0.7 MPa, and the fixed TPU bumper pads absorb end-of-stroke impacts across the 50-800 mm/s speed range. For buyers sizing components, the effective safe working load is approximately 56 N (about 60% of the 0.5 MPa figure), translating to a vertical lift capacity of roughly 4.8 kg with a 2:1 safety margin. The built-in -S magnet supports CMSG, DMSG, and EMSG switches, while the CM round-end back cover completes the 100 mm stroke assembly.
Airtac MTF Mini Cylinder MTF20X100SCM Technical Specifications
| Model | Airtac MTF Mini Cylinder MTF20X100SCM |
|---|---|
| Series | MTF JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Pull force (spring return) |
|---|---|
| 0.5 MPa | 93.4 N |
| 0.7 MPa | 146.1 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 MTF20X100SCM
| MTF | JIS-standard round-body mini cylinder (single-acting pull, spring-return). |
|---|---|
| 20 | 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 MTF20X100SCM Is Used
Tension Mechanisms
Applies up to 93.4 N of pulling force at 0.5 MPa to maintain tension on belts or cables, releasing the load only when compressed air is applied.
Fail-Safe Gate Opening
Holds an access door open via spring pressure; air retracts the rod to close the door, ensuring it springs open automatically during a pneumatic power loss.
Light Part Retraction
Pulls lightweight 4.8 kg fixtures out of a workspace with a 2:1 safety margin, using the spring to push the fixture back into the active position.
Is the Airtac MTF Mini Cylinder MTF20X100SCM the Right Cylinder?
Choose this 20 mm bore model when your mechanism requires spring-open, air-close actuation, or a reliable return-to-extended fail-safe. If the 93.4 N pull at 0.5 MPa is insufficient for your load, step up to the MTF25X100SCM, which provides 153.6 N of pull at the same pressure. Since 20 mm is the smallest available MTF bore, there is no smaller option in this family. Ensure your air supply meets the 0.2 MPa minimum to overcome the spring, and select your mounting hardware from LB foot, FA flange, SDB pivot, or TC trunnion options. The included -S magnet is essential if you need position 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 MTF Mini Cylinder MTF20X100SCM FAQ
This single-acting pull cylinder delivers a net pull force of 93.4 N at 0.5 MPa and 146.1 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 limit of 1.0 MPa.
The internal spring constantly drives the rod to the extended position. If air is lost, the cylinder fails safely to the fully extended state; it cannot hold an arbitrary mid-stroke load. The SUS304 stainless barrel resists mild corrosion, and the -S variant includes a magnet for CMSG/DMSG/EMSG sensors.
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1-Year Warranty
Covers non-human-caused product damage.
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