Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU is a genuine double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 80mm 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
- Stroke80 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionRubber bumper (MBLC variant: adjustable air cushion)
About the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU
The AirTAC MBLC25X80SU is a double-acting aluminum mini cylinder engineered for compact actuation where end-of-stroke impact must be tightly controlled. It uses a 25 mm bore to generate 245 N of push force and 206 N of pull force at 0.5 MPa, making it well-suited for 80 mm travel sequences on lighter fixtures. Unlike the base MBL, this variant features a screw-adjustable pneumatic cushion at both ends, allowing you to dial in the exhaust needle to smoothly decelerate the piston and protect the end covers on faster cycles.
This SKU is configured with a built-in magnet (the -S code) for non-contact position detection using AirTAC CMSG reed or DMSG and EMSG solid-state sensor switches. The U code denotes a rigid flat-end back cover for direct inline mounting. The riveted rolling-packed aluminum barrel keeps the body light and compact for tight machine envelopes, while the 10 mm carbon-steel rod features 20 µm hard-chrome plating to resist wear and corrosion over high-frequency strokes.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder |
| Bore size | Ø25 mm |
| Stroke | 80 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU
| MBL | Aluminum-barrel mini round cylinder, double acting. |
|---|---|
| 25 | Bore size in mm. |
| ×80 | 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU Is Used
PCB Component Placement
Drives a 80 mm pick-and-place head for surface-mount electronics, using the 245 N push force to seat lightweight actuators while the adjustable cushion prevents shock vibration at stroke ends.
Packaging Flap Folding
Tucks carton flaps on a continuous flow wrapper, relying on the tunable air cushion to softly decelerate the 25 mm bore piston before it impacts the rigid U back cover at high cycle rates.
Semiconductor Wafer Gate
Actuates a 80 mm routing gate inside a compact electronics testing fixture, using the built-in -S magnet to trigger a DMSG solid-state sensor for precise mid-stroke confirmation.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU the Right Cylinder?
Select this 25 mm bore when an application demands 245 N of push force at 0.5 MPa across an 80 mm stroke. If your payload is lighter and you need a smaller footprint, step down to the 20 mm bore, which yields 157 N of push force. If you are driving a heavier mass or need more thrust, step up to the 32 mm bore, which provides 402 N of push force. Because the 80 mm stroke falls well under the 500 mm maximum standard, side-load stress on the 10 mm rod is minimal, though external guides are always recommended for offset loads.
Choose the MBLC over the fixed-bumper MBL when your cycle speeds exceed what a rubber stop can absorb. The adjustable air cushion on this model decelerates the piston smoothly near each end, but it is not a load lock; the rod will drift if air pressure is lost or the valve centers. For position holding without live air, install an external rod lock. This specific configuration uses the default PT tapered port thread, an M10x1.25 rod-end thread, and the rigid U flat-end back cover.
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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SU FAQ
At 0.5 MPa, this 25 mm bore cylinder provides 245 N of push force and 206 N of pull force. At 0.7 MPa, the push force increases to 343 N, with a maximum theoretical output of 50 kgf at 1.0 MPa. It features a G1/8 port with PT tapered thread, a 10 mm rod with an M10x1.25 rod-end thread, and operates at speeds from 30-800 mm/s.
The MBLC25X80SU uses a screw-tunable pneumatic cushion at both stroke ends. You adjust the needle valve to trap a pocket of exhaust air, which decelerates the piston smoothly before it hits the U flat-end cover. This is critical for high-frequency or faster moves where a fixed rubber bumper would degrade, though it only decelerates near the ends and does not lock the load.
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