Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X25SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X25SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø50mm bore and 25mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ50 mm
- Stroke25 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X25SU
The AirTAC MBLC50X25SU is a compact double-acting aluminum mini cylinder engineered to deliver 981 N of push force and 881 N of pull force at 0.5 MPa. Driven by air on both extend and retract strokes, this 50 mm bore unit travels a short 25 mm distance, making it highly effective for rapid, heavy-duty clamping or ejection tasks that need immediate power in a tight footprint.
Unlike the base MBL series which relies on a fixed rubber bumper, this MBLC variant features a screw-adjustable pneumatic cushion at both ends. You can tune the needle valve to smoothly decelerate the 16 mm carbon-steel rod—plated with 20 µm hard chrome—minimizing end-cover impact and vibration during high-speed cycles. The riveted rolling-packed aluminum barrel keeps the body light yet durable, while the U flat-end back cover provides rigid rear mounting. The built-in magnet (-S) enables direct compatibility with AirTAC CMSG (reed) and DMSG or EMSG (solid-state) sensor switches for precise end-of-stroke detection.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X25SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X25SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø50 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M14×1.5 |
| 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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 MBLC50X25SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 50 | Bore size in mm. |
| ×25 | 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 MBLC50X25SU Is Used
Injection Molding Ejection
Provides 981 N of push at 0.5 MPa to positively eject dense plastic parts from an injection mold tool, using the short 25 mm stroke to deliver rapid, high-impact force without occupying excessive machine space.
Pallet Stopper Arm
Acts as a heavy-duty stop block for loaded pallets on a conveyor line, deploying the 16 mm hard-chrome rod quickly to halt movement while the adjustable air cushion absorbs the sudden deceleration.
PCB Press Fit Tooling
Applies controlled downward pressure to seat electronic connectors onto printed circuit boards, relying on the DMSG solid-state sensor feedback to verify the exact 25 mm stroke completion.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC50X25SU the Right Cylinder?
If your application requires less force, stepping down to the 40 mm bore variant is an option, but you will drop to 628 N of push force at 0.5 MPa—potentially insufficient for heavier masses. Conversely, moving up to the 63 mm bore yields 1558 N of push force, providing a much larger safety margin for stubborn loads. Choose the MBLC over the standard MBL when your cycle speeds are high enough that a fixed rubber bumper would prematurely wear or cause unacceptable impact noise.
Because this is a 25 mm stroke, side-load risks are minimal compared to longer travels. However, remember that the adjustable air cushion only decelerates the piston near the stroke ends; it is not a mechanical lock. If you need to hold a vertical load safely in place without constant live air pressure, you must integrate an external pilot-operated check valve or a dedicated rod lock. This SKU is configured with a PT tapered port thread, a U flat-end back cover, and an integrated 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 MBLC50X25SU FAQ
At 0.5 MPa, this 50 mm bore cylinder provides 981 N of push force and 881 N of pull force. If you increase the operating pressure to 0.7 MPa, the output rises to 1374 N push and 1233 N pull. The maximum theoretical force is 200 kgf at 1.0 MPa.
The MBLC50X25SU features a screw-tunable pneumatic cushion at both stroke ends. By adjusting the needle valve, you regulate the exhaust flow restriction to smoothly decelerate the piston before it hits the end cover, reducing impact noise and wear on high-speed cycles. It functions purely as a deceleration device, not a load-holding brake.
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