Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U
The AirTAC MBLC25X500U is a double-acting aluminum mini cylinder engineered for a 500 mm stroke, delivering 245 N of push force at 0.5 MPa. Because this SKU lacks the -S suffix, it has no internal magnet and cannot support a CMSG, DMSG, or EMSG position sensor. The U designation indicates a rigid flat-end back cover for straightforward inline mounting.
At maximum standard stroke length, the screw-adjustable pneumatic cushions at both ends are critical for absorbing kinetic energy and preventing end-cover impact. The riveted rolling-packed aluminum barrel keeps the body compact, while the 20 µm hard-chrome plated carbon-steel rod resists corrosion and wear.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U |
|---|---|
| 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U
| 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U Is Used
Textile Loom Weft Insertion
Drives the 500 mm weft insertion guide smoothly at high frequency, relying on the tuned air cushions to prevent thread-snapping jolts at the stroke ends.
Packaging Carton Flap Folding
Folds long cardboard flaps on a continuous packaging line, where the 245 N push force and 500 mm travel handle large carton widths without end-cover damage.
Warehouse Tray Push-Off
Ejects loaded pallet trays along a 500 mm path, using the adjustable pneumatic cushioning to halt heavy goods gently before the transfer station.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U the Right Cylinder?
For 245 N of push force at 0.5 MPa, stepping down to the 20 mm bore yields 157 N, whereas stepping up to the 32 mm bore provides 402 N. Choose this MBLC variant over the fixed-bumper MBL when cycling long loads at speed, as the needle-tuned cushioning protects the end covers. Note that the air cushion only decelerates near the stroke ends; it is not a brake, and the rod will drift if air is lost.
Replacement match: 25 mm bore, 500 mm stroke, G1/8 port, PT thread, U flat-end back cover, no magnet. Because the stroke is 500 mm, the 10 mm rod is highly susceptible to bending under side loads—use an external linear guide, a CA or SDB pivot mount, or an MBLD double-rod cylinder to prevent premature seal failure.
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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X500U FAQ
At 0.5 MPa, this 25 mm bore cylinder provides 245 N of push force and 206 N of pull force. At 0.7 MPa, push increases to 343 N. The maximum theoretical force is 50 kgf at 1.0 MPa.
A screw-tunable needle valve at each end traps a pocket of exhaust air to decelerate the piston smoothly before impact. You adjust the needle to match the load and speed, which cuts vibration and noise. This cushion only slows the rod near the ends; it is not a load lock.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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