Airtac MBL Aluminum Alloy Mini Cylinder MBL25X30SU
The AirTAC Airtac MBL Aluminum Alloy Mini Cylinder MBL25X30SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 30mm 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
- Stroke30 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 MBL25X30SU
The AirTAC MBL25X30SU is a double-acting aluminum mini round cylinder engineered for tight machine spaces. With a 25mm bore and 30mm stroke, it generates 245 N of push force and 206 N of pull force at 0.5 MPa. This SKU features a U flat-end back cover for rigid fixed mounting and includes a built-in magnet (-S) for position detection. The riveted rolling-packed barrel crimps the covers directly to the tube, creating a lightweight, compact body that is not designed to be disassembled like a traditional tie-rod cylinder.
Unlike the MBLC variant which uses an adjustable air cushion, this base MBL relies on a fixed rubber bumper to soften end-of-stroke impacts. The Ø10 mm piston rod is carbon steel with a 20 um hard-chrome plating for wear resistance, and the heterogeneous two-way piston seal retains grease for a long service life. The integrated magnet allows you to mount CMSG reed or DMSG/EMSG electronic sensor switches directly onto the body for precise stroke confirmation.
Airtac MBL Aluminum Alloy Mini Cylinder MBL25X30SU Technical Specifications
| Model | Airtac MBL Aluminum Alloy Mini Cylinder MBL25X30SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 30 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 MBL25X30SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×30 | 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 MBL25X30SU Is Used
PCB Router Clamp
Secures small printed circuit boards during routing with 245 N of push force, while the DMSG electronic sensor verifies the 30mm stroke end position.
Pharmacy Dispenser Gate
Actuates a small sorting flap in automated pill dispensing cabinets, using the rigid U flat-end mount to maintain a fixed pivot point.
Micro-Injection Ejector
Knocks out tiny plastic medical clips from a mold cavity, relying on the fixed rubber bumper to absorb the 206 N retract impact.
Is the Airtac MBL Aluminum Alloy Mini Cylinder MBL25X30SU the Right Cylinder?
If you need slightly less force, the neighbouring 20mm bore provides 157 N of push at 0.5 MPa; stepping up to the 32mm bore yields 402 N. This 30mm stroke is ideal for short, rapid movements. Because it lacks an adjustable cushion, consider the MBLC variant if your application involves heavier moving masses at higher speeds. Keep in mind that a plain MBL does not hold its position when air pressure is lost or exhausted—the rod will drift. Use an external rod lock or pilot-operated check valve if position holding is required.
This specific configuration uses a U flat-end rear cover and a default PT tapered port thread. The G1/8 port size and M10x1.25 rod-end thread are standard for this bore. Since the stroke is only 30mm, side-load stress on the rod bearing is minimal, but always ensure the load is axially aligned to prevent premature seal wear.
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 MBL25X30SU FAQ
At 0.5 MPa, this 25mm bore cylinder outputs 245 N push and 206 N pull. At 0.7 MPa, push increases to 343 N, with a maximum theoretical force of 50 kgf at 1.0 MPa. The -S suffix means it has a built-in magnet compatible with AirTAC CMSG reed switches and DMSG/EMSG electronic sensors.
No, the base MBL series uses a fixed rubber bumper to soften end-of-stroke impact, not an adjustable air cushion. If your application requires adjustable end-of-stroke deceleration for heavier loads, you should step up to the MBLC variant.
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