Airtac MBL Aluminum Alloy Mini Cylinder MBL32X50U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X50U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm bore and 50mm 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
- Stroke50 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 MBL32X50U
The AirTAC MBL32X50U is a double-acting aluminum mini round cylinder engineered for tight machine spaces. It delivers 402 N of push force and 346 N of pull force at 0.5 MPa, making it a solid fit for compact 50 mm stroke actuation tasks. This specific SKU features a U flat-end back cover, providing a rigid, fixed mounting footprint on the rear rather than a swinging pivot. The riveted rolling-packed barrel permanently crimps the covers to the tube, keeping the overall body exceptionally light and small, though it is not designed to be disassembled and rebuilt like a traditional tie-rod cylinder.
Inside, a heterogeneous two-way piston seal retains grease for long service life, while the Ø12 mm carbon-steel piston rod features 20 µm hard-chrome plating to resist wear and corrosion. Because this specific SKU lacks the -S magnet suffix, it cannot accommodate a CMSG, DMSG, or EMSG position sensor switch. End-of-stroke energy is absorbed by a fixed rubber bumper on the base MBL, rather than an adjustable air cushion (which requires stepping up to the MBLC variant).
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X50U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X50U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 mm |
| Stroke | 50 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 MBL32X50U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | Bore size in mm. |
| ×50 | 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 MBL32X50U Is Used
PCB Router Clamping
Secures small printed circuit boards within an electronics manufacturing router, using the 402 N push force to hold panels firmly against locating pins during high-speed spindle routing.
Carton Flap Folding
Actuates a compact folding blade on a packaging line, using the 50 mm stroke to tuck minor flaps prior to carton sealing in confined machinery spaces.
Vial Stopper Pressing
Provides the precise 346 N pull force required to withdraw a stoppering head in a pharmaceutical vial filling machine, fitting easily between the narrow starwheel guides.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X50U the Right Cylinder?
At 0.5 MPa, this 32 mm bore generates 402 N of push force. If your payload requires less energy, step down to the 25 mm bore, which yields 245 N of push force. For heavier mechanisms, step up to the 40 mm bore, providing 628 N of push force. The cylinder uses a G1/8 port and a PT tapered thread form. It carries the U flat-end back cover and has no built-in magnet for sensors. If your cycle speeds create heavy end-impact shocks, select the MBLC variant for its adjustable air cushion instead of relying on the standard rubber bumper. For applications requiring spring-return operation, consider the MSBL or MTBL single-acting models.
Because the MBL32X50U relies on live air pressure to hold its position, the rod will drift or drop if air is lost or the valve is centered. The rubber bumper only softens end-of-stroke impact and does not function as a locking brake. If your load must be held without live pressure, integrate an external rod lock or a pilot-operated check valve into your circuit.
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 MBL32X50U FAQ
At 0.5 MPa, the 32 mm bore provides 402 N push and 346 N pull. At 0.7 MPa, the push force increases to 563 N. The maximum theoretical force is 82 kgf at 1.0 MPa.
No. Because this specific SKU lacks the -S suffix, it has no internal magnet and cannot accept CMSG, DMSG, or EMSG sensor switches. You must select an MBL32X50SU model if position detection is required.
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