Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500U 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 MBL25X500U
The AirTAC MBL25X500U is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. At 0.5 MPa it provides 245 N of push force and 206 N of pull force, making it suitable for light-duty positioning across its full 500 mm travel. This genuine AirTAC unit features a rigid U flat-end rear cover for direct fixed mounting.
Inside this non-standardised body, a heterogeneous two-way piston seal retains grease for long service life, while the Ø10 mm carbon-steel rod features 20 µm hard-chrome plating to resist wear and corrosion. Because this SKU lacks the -S suffix, it cannot accept a CMSG, DMSG or EMSG position sensor. The riveted rolling-packed barrel keeps the footprint small but means the cylinder is not designed to be disassembled or rebuilt like a traditional tie-rod unit.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500U |
|---|---|
| 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 MBL25X500U
| 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 MBL25X500U Is Used
Carton Flap Folding
Uses the full 500 mm stroke to extend across a packaging line, folding corrugated carton flaps with 245 N of push force prior to tape sealing.
Textile Yarn Guide
Shifts a yarn guide carriage back and forth across a weaving beam, relying on the lightweight aluminum body to minimize moving mass on the loom.
Tray Pusher Mechanism
Pushes empty pallet trays into an assembly cell, utilizing the rigid U flat-end rear cover to bolt directly to the machine frame without pivot.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X500U the Right Cylinder?
This 25 mm bore outputs 245 N push at 0.5 MPa. If you need less force, step down to the 20 mm bore (157 N push); if your load requires more clamping power, step up to the 32 mm bore (402 N push). The base MBL uses a fixed rubber bumper to soften end-of-stroke impacts rather than an adjustable air cushion—choose the MBLC variant if you need adjustable cushioning for heavier moving masses.
At 500 mm of travel, the small Ø10 mm rod has low side-load tolerance and is highly susceptible to bending under lateral forces. Use an external guide rail to support the load, or switch to the MBLD double-rod type for anti-rotation. Note that a plain MBL does not hold its position when air pressure is lost or exhausted—the rod will drift. Use an external pilot-operated check valve if the load must be safely suspended. Replacement match: 25 mm bore, 500 mm stroke, G1/8 port, PT thread, U flat-end back cover, no 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 MBL25X500U FAQ
At 0.5 MPa this cylinder outputs 245 N push and 206 N pull. At 0.7 MPa the push force is 343 N, with a theoretical maximum of 50 kgf at 1.0 MPa. The operational speed range is 30-800 mm/s.
No. Because this SKU lacks the -S suffix, it cannot accept CMSG, DMSG or EMSG sensor switches. Additionally, the base MBL uses a fixed rubber bumper instead of an adjustable air cushion; you must upgrade to the MBLC variant for adjustable cushioning.
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