Airtac MBL Aluminum Alloy Mini Cylinder MBL25X15U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL25X15U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 15mm 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
- Stroke15 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 MBL25X15U
The AirTAC MBL25X15U is a compact double-acting aluminum mini round cylinder engineered for extremely tight machine spaces. Operating at 0.5 MPa, it provides a push force of 245 N and a pull force of 206 N. The 15 mm stroke is ideal for short, rapid clamping or ejecting tasks. Its riveted rolling-packed barrel permanently crimps the front and rear covers to the tube, yielding a lightweight body that is not designed to be disassembled or rebuilt like a traditional tie-rod cylinder.
This specific SKU features a U flat-end back cover for rigid, fixed mounting and uses standard PT tapered port threads. Because this model lacks the -S suffix, it cannot accept a position sensor. Internally, a heterogeneous two-way piston seal retains grease for long service life, while the Ø10 mm carbon-steel piston rod features 20 µm hard-chrome plating to resist wear and corrosion.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X15U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL25X15U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 15 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 MBL25X15U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×15 | 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 MBL25X15U Is Used
PCB Edge Connector Clamping
Provides 245 N of push force to secure delicate printed circuit board edge connectors during automated wave soldering without crushing the components.
IC Tray Ejection
Uses the 15 mm stroke to push small integrated circuit trays out of testing stations quickly within a confined semiconductor handling machine.
Pharmaceutical Carton Flap Folding
Delivers 206 N of pull force to fold minor carton flaps on high-speed pharmaceutical packaging lines where space is highly restricted.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X15U the Right Cylinder?
Select the MBL25X15U when you need a short 15 mm stroke and approximately 245 N of push force at 0.5 MPa in a compact footprint. If your application requires less force, stepping down to the 20 mm bore yields 157 N of push force. Conversely, if you need more power, stepping up to the 32 mm bore provides 402 N. Keep in mind the base MBL uses a fixed rubber bumper to soften end-of-stroke impact; for adjustable air cushioning to handle faster or heavier moves, specify the MBLC variant. Note that this cylinder does not hold its position if air pressure is lost—the rod will drift. Use an external rod lock or pilot-operated check valve if the load must be maintained without live pressure. Replacement matching requires a 25 mm bore, 15 mm stroke, G1/8 port size, PT thread, U flat-end cover, and 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 MBL25X15U FAQ
At 0.5 MPa, the push force is 245 N and the pull force is 206 N. At 0.7 MPa, the push force increases to 343 N. The maximum theoretical force is 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 a CMSG, DMSG, or EMSG sensor switch. Additionally, the base MBL uses a fixed rubber bumper, not an adjustable cushion screw. You must upgrade to the MBLC variant for adjustable air cushioning.
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