Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250SU
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm 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.
- BoreØ32 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 MBL32X250SU
The AirTAC MBL32X250SU is a double-acting aluminum mini round cylinder engineered for tight machine spaces. At 0.5 MPa it yields 402 N of push force and 346 N of pull force, driving a 250 mm stroke via a Ø12 mm carbon-steel rod with 20 µm hard-chrome plating for wear resistance. The U-type flat-end back cover provides a rigid rear mount, while the built-in -S magnet enables position detection with CMSG, DMSG, or EMSG sensor switches.
Unlike tie-rod bodies, this cylinder features a riveted rolling-packed barrel that crimps the covers to the tube for a lighter, compact footprint. End-of-stroke deceleration relies on a fixed rubber bumper rather than an adjustable cushion screw. Because the 250 mm stroke extends a small Ø12 rod significantly, external guide rails or a pivot mount are recommended to prevent rod-bearing bending under side loads.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250SU Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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 MBL32X250SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | 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 MBL32X250SU Is Used
PCB Shuttle Routing
Drives a 250 mm shuttle carriage in electronics assembly lines, utilizing the 402 N push force to move populated PCB panels between inspection stations.
Packaging Flap Diverter
Actuates a diverter arm on a packaging conveyor, using the 346 N pull force to reroute small cartons into secondary taping lanes.
Textile Beam Indexer
Positions yarn beams in a textile creel, where the 250 mm stroke provides the exact reach needed to clear adjacent spools during changeover.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250SU the Right Cylinder?
For 0.5 MPa thrust, this 32 mm bore outputs 402 N push and 346 N pull. Stepping down to the 25 mm bore drops force to 245 N push, while moving up to the 40 mm bore increases it to 628 N push. The U flat-end back cover supplies a rigid fixed rear mount; if your mechanism swings on an arc, switch to a CA pivot back cover. The -S suffix means a CMSG, DMSG, or EMSG sensor switch can track rod position; without the S code, no sensor can be fitted.
With a 250 mm stroke on a Ø12 mm rod, side-load tolerance is low and the rod bearing is prone to bending under offset loads. Use an external guide, an SDB pivot bracket, or the MBLD double-rod anti-rotation variant. The fixed rubber bumper softens end impacts but provides no position holding—install an external rod lock or pilot-operated check valve if the load must stay put when air pressure drops.
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 MBL32X250SU FAQ
At 0.5 MPa the MBL32X250SU delivers 402 N push and 346 N pull. At 0.7 MPa push increases to 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa.
No, the base MBL uses a fixed rubber bumper to soften end-of-stroke impacts. It is not an adjustable air cushion. For adjustable cushioning, select the MBLC variant.
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