Airtac MBL Aluminum Alloy Mini Cylinder MBL25X250SCA
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL25X250SCA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 250mm 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
- Stroke250 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X250SCA
The AirTAC MBL25X250SCA is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. Delivering 245 N of push force at 0.5 MPa, this 25 mm bore unit features a 250 mm stroke and a built-in magnet for position sensing. The CA pivot back cover allows the body to swing on a pin, making it ideal for arcing or angular load applications.
Unlike tie-rod bodies, the aluminum barrel is riveted and rolling-packed for a lightweight footprint, and it uses a heterogeneous two-way piston seal that retains grease for a long service life. The Ø10 mm carbon steel rod is hard-chrome plated for wear resistance. The base MBL relies on a fixed rubber bumper to soften end-of-stroke impacts; if your cycle requires adjustable end-cushioning, consider the MBLC variant. An -S suffix means this SKU is wired for AirTAC CMSG (reed) and DMSG / EMSG (solid-state) sensor switches.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X250SCA Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL25X250SCA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 250 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 MBL Aluminum Alloy Mini Cylinder MBL25X250SCA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×250 | 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 MBL Aluminum Alloy Mini Cylinder MBL25X250SCA Is Used
Pick-and-Place Arcs
The CA clevis allows the cylinder to swing during a 250 mm transfer stroke, ideal for moving small electronic components between conveyor belts on a PCB assembly line.
Carton Flap Folding
Provides 245 N of push force to fold lightweight cardboard flaps on a packaging machine, with the pivot mount absorbing angular misalignment during the arc.
Diverter Gate Actuation
Uses the integrated magnet and a DMSG electronic sensor to confirm a 250 mm gate extension on a sorting conveyor, handling small parcel routing accurately.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X250SCA the Right Cylinder?
Selecting this 25 mm bore makes sense when you need 245 N push and 206 N pull at 0.5 MPa. If your payload is lighter, stepping down to the 20 mm bore drops the output to 157 N push, while moving up to the 32 mm bore yields 402 N push for heavier fixtures. The 250 mm stroke requires careful alignment: the small Ø10 mm rod has low side-load tolerance, so the CA pivot back cover on this SKU is essential to prevent rod-bearing bending. For rigid anti-rotation needs over this long stroke, an external guide or the MBLD double-rod type is advised.
Keep in mind a plain MBL does not hold its position if air pressure is lost or the valve is centered—the rod will drift. The rubber bumper only softens impact, acting neither as a lock nor a brake. To replace this unit exactly, match the 25 mm bore, 250 mm stroke, G1/8 port (PT thread form), CA pivot back cover, and the -S 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 MBL Aluminum Alloy Mini Cylinder MBL25X250SCA FAQ
At 0.5 MPa this cylinder pushes with 245 N and pulls with 206 N. At 0.7 MPa the push force is 343 N, and the maximum theoretical force is 50 kgf at 1.0 MPa. The operational speed range is 30-800 mm/s.
No, the base MBL uses a fixed rubber bumper to absorb end-of-stroke impact, not an adjustable air cushion. If your application requires tunable cushioning for heavier or faster moving loads, you should step up to the AirTAC MBLC variant.
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