Airtac MBL Aluminum Alloy Mini Cylinder MBL40X150U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL40X150U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø40mm bore and 150mm stroke, G1/4 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ40 mm
- Stroke150 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBL Aluminum Alloy Mini Cylinder MBL40X150U
The AirTAC MBL40X150U is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. It features a 40mm bore and a 150mm stroke, delivering a push force of 628 N and a pull force of 528 N at 0.5 MPa. The U suffix denotes a rigid flat-end rear cover, providing a solid fixed mounting footprint for straightforward linear actuation tasks.
Unlike serviceable tie-rod bodies, this unit utilizes a riveted rolling-packed barrel where the covers are crimped to the tube, yielding a lighter profile not designed for disassembly. The carbon steel piston rod features a 20 um hard-chrome plating to resist wear and corrosion, paired with a heterogeneous two-way piston seal that retains grease for a long service life. Note that this specific SKU lacks a built-in magnet, meaning no CMSG, DMSG, or EMSG position sensor can be fitted.
Airtac MBL Aluminum Alloy Mini Cylinder MBL40X150U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL40X150U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø40 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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 MBL40X150U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 40 | Bore size in mm. |
| ×150 | 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 MBL40X150U Is Used
Pallet Diverter Gate
Actuates a routing flap on a compact packaging conveyor, using the 628 N push force to reliably redirect heavy cardboard cartons at high cycle rates.
PCB Test Socket Clamp
Provides the precise 528 N pull force to hold an electronic test fixture closed against spring resistance, fitting easily within dense semiconductor tester arrays.
Carton Flap Folder
Drives a mechanical folding arm on a packaging line, utilizing the 150mm stroke to tuck corrugated flaps prior to tape sealing in a narrow machine frame.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL40X150U the Right Cylinder?
Selecting this 40mm bore makes sense when your application requires roughly 628 N of push force at 0.5 MPa. If you need less force, stepping down to the 32mm bore yields 402 N of push; if you require more power, the 50mm bore provides 981 N. This model uses a G1/4 port and an M12x1.25 rod-end thread. The fixed rubber bumper softens end-of-stroke impacts, but if your load requires adjustable end-cushioning for heavier moving masses, you should upgrade to the MBLC variant.
Because this 150mm stroke uses a Ø16mm rod, it is susceptible to bending under side loads. For this length, consider using an external guide rail or switching to the MBLD double-rod type to prevent rod-bearing wear. Additionally, a plain MBL does not hold its position if air pressure is lost or the valve is centered—the rod will drift. Use an external rod lock or pilot-operated check valve if the load must be held safely without live pressure.
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 MBL40X150U FAQ
At 0.5 MPa, this 40mm bore cylinder provides 628 N of push force and 528 N of pull force. At 0.7 MPa, the push force increases to 880 N, with a theoretical maximum of 128 kgf at 1.0 MPa. The operational speed range is 30-800 mm/s.
No. Because this SKU lacks the -S suffix for a built-in magnet, you cannot mount CMSG, DMSG, or EMSG sensor switches to detect rod position. Additionally, the base MBL uses a fixed rubber bumper to soften end-of-stroke impacts; for adjustable air cushioning, you must specify the MBLC variant.
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