Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X20CA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X20CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 20mm 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
- Stroke20 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 MBLC25X20CA
The AirTAC MBLC25X20CA is a double-acting aluminum mini cylinder engineered for compact actuation where arcing motion is present. It delivers 245 N of push force and 206 N of pull force at 0.5 MPa, making it well-suited for short 20 mm stroke tasks. A defining feature is the screw-adjustable pneumatic cushion at both ends, which decelerates the piston smoothly near stroke limits to reduce impact and noise on fast moves.
This SKU includes a CA pivot clevis back cover that swings on a pin to accommodate angular loads, along with a standard PT port thread. Because this specific configuration lacks the built-in magnet (-S), it cannot support CMSG, DMSG, or EMSG position sensors. The riveted rolling-packed aluminum barrel keeps the body light, while the Ø10 mm carbon-steel rod features 20 µm hard-chrome plating to resist wear and corrosion.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X20CA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X20CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 20 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 MBLC25X20CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×20 | 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 MBLC25X20CA Is Used
Sorter Diverter Arm
Drives a short 20 mm pivot arm on a packaging line sorter, using the CA clevis to swing packages smoothly without binding.
PCB Component Press
Applies 245 N of precise downward force to seat electronic connectors, relying on the adjustable cushion to prevent harsh end-stop impact.
Bin Lid Latching
Actuates a curved latch mechanism on an automated dispensing bin, where the pivot back cover accommodates the lid's arcing swing.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X20CA the Right Cylinder?
Select this 25 mm bore when your application requires 245 N of thrust at 0.5 MPa combined with a short 20 mm stroke and arcing movement. If your move is slow and light, the base MBL with its fixed rubber bumper is sufficient; choose the MBLC when cycling faster or moving a heavier mass that requires tunable end-of-stroke deceleration. Note that the air cushion only decelerates the piston near the ends—it is not a lock, so the rod will drift if air is lost.
For sizing flexibility, stepping down to the 20 mm bore reduces thrust to 157 N at 0.5 MPa, while stepping up to the 32 mm bore increases it to 402 N. This model uses a G1/8 port and an M10x1.25 rod thread. The replacement match for this unit is: 25 mm bore, 20 mm stroke, PT thread, CA pivot back cover, no mounting bracket, 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X20CA 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 theoretical maximum force is 50 kgf at 1.0 MPa. It uses a G1/8 port and an M10x1.25 rod thread.
No, this specific SKU lacks the built-in magnet (-S code), so it cannot support AirTAC CMSG, DMSG, or EMSG sensor switches. If position detection is required, you need the MBLC25X20S variant with the magnet fitted.
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