Airtac MBL Aluminum Alloy Mini Cylinder MBL25X320CA
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL25X320CA is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 320mm stroke, G1/8 air ports and a fixed rubber bumper. Its compact riveted body suits push, hold and clamp motion in tight machine spaces.
- BoreØ25 mm
- Stroke320 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 MBL25X320CA
The AirTAC MBL25X320CA is a compact double-acting aluminum mini round cylinder engineered for tight machine spaces. It delivers a push force of 245 N and a pull force of 206 N at 0.5 MPa, making the 320 mm stroke well-suited for extending actuators across small packaging frames.
Unlike tie-rod bodies, this unit features a riveted rolling-packed barrel where the covers are crimped to the tube, creating a lightweight, permanently sealed assembly that is not designed to be disassembled. This specific SKU includes a CA pivot back cover, allowing the cylinder to swing freely on a pin to accommodate arcing angular loads. Note that because it lacks the -S suffix, it cannot accept a CMSG or DMSG position sensor.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X320CA Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL25X320CA |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 320 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 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 MBL25X320CA
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×320 | 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 MBL25X320CA Is Used
Textile Loom Threading
Uses the 320 mm stroke to traverse yarn guides across the loom width, with the CA pivot absorbing the slight angular sway of the carriage during high-speed weaving.
Pouch Rejecter Arm
Provides 245 N of push force at 0.5 MPa to knock misaligned pouches off a packaging belt, where the long reach clears downstream tooling.
Drawer Push-Out
Extends lightweight parts trays from dense storage racks, relying on the compact riveted body to fit within the 25 mm wide vertical gaps between shelves.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X320CA the Right Cylinder?
If you need less reach, the MBL20 bore offers 157 N of push force at 0.5 MPa, while stepping up to the MBL32 provides 402 N for heavier resistance. Because this 320 mm stroke is substantial for a mini rod, the Ø10 mm piston rod has a low tolerance for side loading; you must use an external guide or rely on this CA pivot back cover to prevent rod-bearing bending.
This base MBL uses a fixed rubber bumper to soften end-of-stroke impacts rather than an adjustable air cushion (which requires the MBLC variant). Furthermore, a plain MBL does not hold its position if air pressure drops—the rod will drift. Use an external pilot-operated check valve if the load must be safely suspended. Replacement match: 25 mm bore, 320 mm stroke, G1/8 port, PT thread, CA back cover, no mounting accessory, 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 MBL25X320CA FAQ
At 0.5 MPa it pushes with 245 N and pulls with 206 N. At 0.7 MPa the push force increases to 343 N, and the maximum theoretical force is 50 kgf at 1.0 MPa. The operational speed range is 30-800 mm/s.
No. The base MBL25X320CA uses a fixed rubber bumper to absorb end-of-stroke impacts. If your application requires adjustable air cushioning to handle heavier moving masses at higher speeds, you must step up to the MBLC variant.
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