Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250U 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 MBL32X250U
The AirTAC MBL32X250U is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. Operating at 0.5 MPa, it provides 402 N of push force and 346 N of pull force, making this 250 mm stroke unit ideal for intermediate reach automation. The riveted rolling-packed barrel permanently crimps the front and rear covers to the aluminum tube, yielding a lightweight body that is not designed to be disassembled like a traditional tie-rod cylinder.
This SKU features a rigid U flat-end back cover for fixed mounting, paired with a Ø12 mm carbon-steel piston rod plated with 20 µm hard chrome for high wear and corrosion resistance. Because this specific configuration lacks the -S suffix, it has no internal magnet and cannot accommodate a CMSG, DMSG, or EMSG position sensor. End-of-stroke energy is absorbed by a fixed rubber bumper, which softens impact but does not lock the rod in place if air pressure is lost.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250U |
|---|---|
| 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 MBL32X250U
| 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 MBL32X250U Is Used
PCB Router Z-Axis
Drives the vertical plunge of a compact PCB depaneling router, utilizing the 402 N push force at 0.5 MPa to cleanly shear 1.6 mm thick boards across a 250 mm span.
Carton Flap Folder
Actuates a mechanical flap-folding arm on a small footprint packaging line, where the 250 mm stroke provides the necessary arc length to clear 200 mm wide carton widths.
Pallet Diverter Gate
Shifts a lightweight aluminum divert gate on a tabletop conveyor, relying on the 346 N pull force at 0.5 MPa to retract the mechanism flush into the machine frame.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X250U the Right Cylinder?
When sizing this 32 mm bore actuator, you can step down to the 25 mm bore for lighter jobs (delivering 245 N push at 0.5 MPa) or move up to the 40 mm bore if your application requires greater thrust (628 N push at 0.5 MPa). If your cycle speed demands adjustable end-cushioning rather than a fixed rubber bumper, select the MBLC variant. For single-direction push or pull tasks, consider the MSBL or MTBL single-acting lines.
At 250 mm of stroke, the Ø12 mm rod is highly susceptible to bending under side loads. To prevent premature seal wear and rod-bearing failure, guide the load externally or pivot the cylinder using a CA back cover and SDB bracket. Note that this U-type, PT-threaded model is a direct replacement match for a 32 mm bore, 250 mm stroke, G1/8 port, flat-end rear configuration without a 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 MBL32X250U FAQ
This 32 mm bore cylinder delivers 402 N push and 346 N pull at 0.5 MPa, 563 N push at 0.7 MPa, and a maximum theoretical force of 82 kgf at 1.0 MPa. It operates at a speed of 30-800 mm/s.
No. This base MBL model uses a fixed rubber bumper to soften end-of-stroke impact and cannot be adjusted; you must specify the MBLC variant for adjustable air cushioning. Additionally, because this SKU lacks the -S magnet suffix, it cannot accept CMSG, DMSG, or EMSG sensor switches for rod position detection.
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