Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 450mm stroke, G1/8 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ25 mm
- Stroke450 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA
The AirTAC MBL25X450SCA is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. It delivers 245 N of push force and 206 N of pull force at 0.5 MPa, making it suited for lighter load positioning over its 450 mm stroke. The riveted rolling-packed barrel crimps the covers directly to the tube, ensuring a lightweight footprint that fits where larger profile cylinders cannot. This specific SKU features a CA pivot back cover and a built-in magnet.
Because the bore 25 rod is only Ø10 mm, this 450 mm length requires careful mounting to prevent bending under side loads. The CA pivot back cover allows the body to swing on a pin, absorbing angular misalignment during arcing movements. The -S magnet enables position detection via CMSG reed or DMSG/EMSG electronic switches. It relies on a fixed rubber bumper for end-of-stroke impact absorption rather than an adjustable cushion, and the heterogeneous two-way piston seal retains grease for long service life.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 450 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Rubber bumper (MBLC variant: adjustable air cushion) |
| Max stroke | Up to 500 mm |
Specifications follow the official AirTAC MBL series datasheet. Confirm against the product label before installation. Standard stroke to 500 mm (special order to 800 mm). Thread options: PT / G / NPT.
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×450 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: MBLC (adjustable cushion), MBLD (double rod), MBLJ (adjustable stroke), MSBL/MTBL (single acting).
Where the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA Is Used
Textile Loom Guide Arm
Swings a thread guide arm across a 450 mm arc. The CA pivot absorbs angular stress while the 245 N push force reliably shifts the lightweight guide against mechanical resistance.
Package Sorting Diverter
Pushes small parcels onto a secondary conveyor line. The built-in -S magnet triggers a DMSG solid-state sensor to confirm rod extension before the belt advances.
Bin Tap Actuator
Oscillates a powder bin tap to prevent bridging. The CA clevis allows the cylinder to pivot naturally with the tap's arcing motion over the long 450 mm travel.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA the Right Cylinder?
If you need less force, step down to the Ø20 bore (157 N push @0.5 MPa); if moving heavier payloads, step up to the Ø32 bore (402 N push @0.5 MPa). Choose the MBLC variant if your application requires adjustable air cushioning to soften heavier end-stroke impacts. For single-direction spring-return tasks, consider the MSBL or MTBL series.
With a 450 mm stroke on a Ø10 mm rod, side-load tolerance is minimal. The CA pivot back cover on this unit is essential for arcing loads, but you should still use an external guide or switch to an MBLD double-rod cylinder to prevent rod-bearing bending. A plain MBL does not hold its load if air pressure drops—the rod will drift without live pressure, so add an external rod lock or pilot-operated check valve if position holding is critical. Replacement match: 25 mm bore, 450 mm stroke, G1/8 port, PT thread, CA pivot back cover, -S magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB / FA / SDB) and back cover (CA pivot / U flat-end).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X450SCA FAQ
At 0.5 MPa it provides 245 N push and 206 N pull force; at 0.7 MPa the push force is 343 N. The theoretical maximum force is 50 kgf at 1.0 MPa. The double-acting operating speed ranges from 30-800 mm/s.
No, the base MBL uses a fixed rubber bumper to soften end-of-stroke impacts. It does not have an adjustable cushion screw. If your 450 mm stroke generates too much end-stroke shock, upgrade to the MBLC variant for adjustable air cushioning.
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