Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500SU
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 500mm 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
- Stroke500 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 MBL25X500SU
The AirTAC MBL25X500SU is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. At its 25mm bore, it generates 245N of push force and 206N of pull force at 0.5 MPa, making it well-suited for extended 500mm reach operations without demanding a large footprint.
This specific SKU includes a built-in magnet (-S) for electronic position sensing via CMSG, DMSG, or EMSG switches, and features a U flat-end back cover for rigid mounting. The riveted rolling-packed barrel crimps the covers directly to the tube for a lightweight build that is not designed to be disassembled, while the carbon-steel rod relies on 20 um hard-chrome plating to resist wear and corrosion.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500SU Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 500 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 MBL25X500SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×500 | 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 MBL25X500SU Is Used
PCB Edge Conveyor Routing
Extends 500mm to shift bare PCBs between adjacent processing lanes, using the 245N push force to gently clear the pathway without requiring a tall profile cylinder.
Pallet Divert Arm
Acts as a compact pop-up diverter on a narrow packaging belt, relying on the DMSG electronic switch to confirm full extension before routing small cartons.
Vertical Tray Magazine Push
Cycles vertically to feed empty trays out of a stacked magazine, where the lightweight aluminum body prevents unnecessary inertia on the moving carriage.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500SU the Right Cylinder?
Stepping down to the 20mm bore drops the output to 157N push at 0.5 MPa, whereas moving up to the 32mm bore increases thrust to 402N. Because this 500mm stroke pushes the limits of the 10mm rod, long unsupported extensions are highly susceptible to side-load bending—utilizing an external guide rail is strongly recommended to prevent rod-bearing damage.
This configuration uses a G1/8 port with default PT threads, an M10x1.25 rod end, and a U flat-end back cover. The base MBL relies on a fixed rubber bumper to soften end-of-stroke impacts rather than an adjustable air cushion (found on the MBLC variant). Note that a plain MBL cannot hold a load if air pressure is lost; an external rod lock or pilot-operated check valve is required for position holding.
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 MBL25X500SU FAQ
At 0.5 MPa, this 25mm bore cylinder provides 245N of push force and 206N of pull force. At 0.7 MPa, the push force increases to 343N, with a theoretical maximum of 50 kgf at 1.0 MPa. The operating speed ranges from 30-800 mm/s.
No, the base MBL uses a fixed rubber bumper to absorb end-of-stroke impacts, not an adjustable cushion screw. If your application requires tuning the deceleration of a heavy or fast-moving load over 500mm, you should select the MBLC variant which features adjustable air cushioning.
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