Airtac MBL Aluminum Alloy Mini Cylinder MBL32X400U
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL32X400U is a genuine double-acting aluminum-barrel mini round cylinder with a Ø32mm bore and 400mm 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
- Stroke400 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 MBL32X400U
The AirTAC MBL32X400U is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. It delivers a push force of 402 N and a pull force of 346 N at 0.5 MPa, making this 400 mm stroke variant well-suited for mid-range linear actuation tasks. The riveted rolling-packed barrel permanently crimps the front and back covers to the tube, ensuring a lightweight footprint that is not designed to be disassembled like a traditional tie-rod body.
Internally, a heterogeneous two-way piston seal retains grease for long service life, while the Ø12 mm carbon-steel rod features 20 µm hard-chrome plating to resist wear and corrosion. This specific SKU features a U flat-end back cover for rigid fixed mounting and uses a standard PT tapered port thread. Because this model lacks the -S suffix, it cannot accept a CMSG, DMSG, or EMSG position sensor. The end-of-stroke deceleration is handled by a fixed rubber bumper rather than an adjustable air cushion.
Airtac MBL Aluminum Alloy Mini Cylinder MBL32X400U Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL32X400U |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø32 mm |
| Stroke | 400 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 MBL32X400U
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 32 | Bore size in mm. |
| ×400 | 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 MBL32X400U Is Used
PCB Conveyor Diverting
Pushes routed printed circuit boards between parallel conveyor belts in electronics assembly lines, utilizing the 400 mm stroke to bridge the gap between machinery.
Test Socket Actuation
Extends a probe carrier over a 400 mm distance to dock with semiconductor test sockets, applying 402 N of pressure at 0.5 MPa to ensure proper electrical contact.
Carton Push-off Arm
Actuates a lightweight diverter arm in packaging machines to push small product cartons off a main roller track into a secondary packing chute.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL32X400U the Right Cylinder?
Selecting the MBL32X400U is appropriate when your application requires 402 N of push force at 0.5 MPa over a 400 mm travel distance. If you need less force, stepping down to the 25 mm bore yields 245 N of push force; stepping up to the 40 mm bore provides 628 N. If your cycle speed creates heavy end-impact loads, consider the MBLC variant which adds an adjustable air cushion. For applications needing only extension or retraction, the MSBL or MTBL single-acting versions are alternatives.
With a 400 mm stroke on a Ø12 mm rod, the unsupported rod length is highly susceptible to side-load bending. You must use an external guide rail, pair the cylinder with a CA pivot back cover and SDB bracket, or switch to the MBLD double-rod anti-rotation type to prevent premature seal failure. Note that a plain MBL does not hold its position when air pressure is lost; the fixed rubber bumper softens the end impact but acts as neither a lock nor a brake. If load holding is required without live pressure, install an external rod lock or a pilot-operated check valve. For exact replacement matching, this SKU specifies a 32 mm bore, 400 mm stroke, G1/8 port size, PT thread form, U flat-end back cover, and no 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 MBL32X400U FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 346 N of pull force. At 0.7 MPa, the push force increases to 563 N. The maximum theoretical force is 82 kgf when operated at the 1.0 MPa pressure limit.
No. The base MBL32X400U uses a fixed rubber bumper to soften end-of-stroke impacts and does not feature an adjustable cushion screw; 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 electronic sensor switches for rod position detection.
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