Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X100SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X100SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 100mm 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
- Stroke100 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 MBLC25X100SU
The AirTAC MBLC25X100SU is a compact double-acting aluminum mini cylinder engineered for precise linear motion. It delivers a robust 245 N push force and 206 N pull force at 0.5 MPa, making it well-suited for 100 mm stroke applications that require consistent mid-range thrust. A defining feature is the screw-adjustable air cushion at both ends, which allows you to fine-tune end-of-stroke deceleration to protect the end covers on faster or heavier moves.
This model includes a built-in magnet (-S) for compatibility with AirTAC CMSG, DMSG, and EMSG sensor switches to track rod position. The U designation indicates a rigid flat-end back cover for straightforward mounting. Constructed with a riveted rolling-packed aluminum barrel for minimal weight, it utilizes a heterogeneous two-way grease-retaining piston seal and a 20 µm hard-chrome plated carbon-steel rod to ensure lasting operational smoothness.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X100SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X100SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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 MBLC25X100SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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 MBLC25X100SU Is Used
PCB Depaneling Router
Provides the 245 N push force needed to plunge a router bit into assembled printed circuit boards, with the air cushion ensuring a smooth, vibration-free stop at the 100 mm stroke end.
Carton Flap Folder
Drives a mechanical arm to fold corrugated cardboard flaps on packaging lines, utilizing the built-in magnet to confirm retraction before the next box enters the station.
Connector Insertion Press
Pushes IC sockets into electronic housings with precise 206 N pull force control, relying on the adjustable cushion to prevent damaging the delicate components during rapid retraction.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X100SU the Right Cylinder?
Select this 25 mm bore when your application demands 245 N of push force at 0.5 MPa. If your load is lighter, stepping down to the 20 mm bore provides 157 N of push force, while upgrading to the 32 mm bore yields 402 N for heavier payloads. The adjustable air cushion is the primary reason to choose this MBLC variant over the base MBL; it prevents harsh end-cover impacts during high-frequency or fast cycling, whereas the standard MBL relies on a fixed rubber bumper.
Because this is a double-acting cylinder, it requires continuous air pressure to hold position and will drift if air is lost or the valve centers. The cushion needle only decelerates the piston near the stroke ends and does not function as a locking brake. For position holding without live air, an external rod lock is necessary. This configuration features a G1/8 port, PT thread form, M10x1.25 rod-end thread, 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 MBLC25X100SU FAQ
At 0.5 MPa, this 25 mm bore cylinder provides 245 N push and 206 N pull force. At 0.7 MPa, it delivers 343 N push. The maximum theoretical force is 50 kgf at 1.0 MPa. It features a 100 mm stroke, a Ø10 mm rod, an M10x1.25 rod-end thread, and a G1/8 port.
The adjustable air cushion uses a screw-tuned needle to restrict exhaust flow at the stroke ends, decelerating the piston to reduce impact and noise. It is not a load lock. The -S suffix means a magnet is built into the piston, allowing external CMSG (reed), DMSG, or EMSG (electronic) sensor switches to detect rod position.
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