Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X150U
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X150U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 150mm 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
- Stroke150 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 MBLC25X150U
The AirTAC MBLC25X150U is a double-acting, compact aluminum mini cylinder engineered with a screw-adjustable pneumatic cushion at both stroke ends. Delivering 245 N of push force and 206 N of pull force at 0.5 MPa, it is designed for smooth deceleration on fast or repetitive moves. The 150 mm stroke suits intermediate travel distances where stopping a load gently is critical.
This U-coded variant features a rigid flat-end back cover for direct mounting. The body utilizes a riveted rolling-packed aluminum barrel for a lightweight, space-saving profile, while a heterogeneous two-way grease-retaining piston seal maintains consistent lubrication. The Ø10 mm carbon-steel rod features 20 µm hard-chrome plating for wear resistance. Because this SKU lacks the -S suffix, it has no built-in magnet and cannot support a CMSG, DMSG, or EMSG position sensor.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X150U Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X150U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 150 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 MBLC25X150U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×150 | 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 MBLC25X150U Is Used
PCB Pick-and-Place
Moves 150 mm to position light electronic assemblies on a conveyor, using the 245 N push force and tuned cushioning to prevent shock at high cycle rates.
Carton Flap Folder
Actuates a folding arm on packaging lines, relying on the adjustable air cushion to gently decelerate the mechanism despite rapid 30-800 mm/s travel speeds.
Pallet Diverter
Pushes light totes at 0.5 MPa onto secondary packaging tracks, where the riveted aluminum barrel keeps the diverter compact within tight conveyor clearances.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X150U the Right Cylinder?
With a 245 N push at 0.5 MPa, this 25 mm bore fits medium-duty compact tasks. If you need less force, the 20 mm bore provides 157 N push; for heavier loads, step up to the 32 mm bore offering 402 N push. Choose this MBLC over the base MBL when cycle speeds or moving masses outgrow a fixed rubber bumper, as the needle valve lets you tune end-of-stroke deceleration to prevent end-cover impact. Note that the air cushion only decelerates near the ends—it is not a load lock. A plain cylinder will drift if air is lost, so add an external rod lock for fail-safe holding. Replacement match: 25 mm bore, 150 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X150U FAQ
At 0.5 MPa, it provides 245 N push and 206 N pull. At 0.7 MPa, it provides 343 N push and 289 N pull. The maximum theoretical force is 50 kgf at 1.0 MPa.
A screw-tunable needle valve at both ends traps a pocket of exhaust air to decelerate the piston smoothly before impact. You adjust the needle to match your load and speed, which cuts vibration and noise on fast cycles. It is a deceleration device, not a mechanical load lock or brake.
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Covers non-human-caused product damage.
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