Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SCA
The AirTAC Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SCA 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 MBLC25X80SCA
The AirTAC MBLC25X80SCA is a compact double-acting aluminum mini cylinder featuring a screw-adjustable pneumatic air cushion at both stroke ends. Delivering 245 N of push force at 0.5 MPa, it is designed for rapid, repetitive motion where a fixed rubber bumper would wear out. The 80 mm stroke suits short-distance part ejection and pick-and-place routing.
This SKU includes a CA pivot clevis back cover that swings on a pin to absorb arcing angular loads, alongside a built-in magnet (-S) for CMSG, DMSG or EMSG sensor switches. The riveted rolling-packed aluminum barrel keeps the body light, while the Ø10 mm carbon-steel rod features a 20 µm hard-chrome plating paired with a heterogeneous two-way grease-retaining piston seal to prevent dry friction.
Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SCA Technical Specifications
| Model | Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SCA |
|---|---|
| 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 MBLC25X80SCA
| 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 MBLC25X80SCA Is Used
Rotary Indexer Loading
Uses the CA pivot to articulate with a moving dial table, pushing 245 N to seat components accurately before the table indexes at high speed.
Packaging Diverter Arm
The 80 mm stroke actuates a sorting flap rapidly; the adjustable air cushion decelerates the 25 mm piston to stop the carton pusher without slamming.
PCB Test Handler
Moves a test probe carrier into position, relying on the -S magnet and DMSG electronic sensor to confirm the 80 mm extension for precise board testing.
Is the Airtac MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SCA the Right Cylinder?
Select this 25 mm bore when an application requires 245 N of push force at 0.5 MPa. If your payload is lighter, step down to the 20 mm bore (157 N push); if you need to move heavier fixtures, step up to the 32 mm bore (402 N push). The adjustable air cushion is preferred over the base MBL when cycling speeds are high and you need to tune end-of-stroke deceleration to prevent end-cover impact.
Because this configuration uses a CA pivot back cover, it is specifically chosen for mechanisms that generate arcing loads. Note that a plain double-acting cylinder does not hold position if air pressure drops or the valve centers; the rod will drift. Use an external pilot-operated check valve or rod lock for strict drop prevention. Replacement matches must specify the 25 mm bore, 80 mm stroke, PT port thread, CA pivot cover, and -S 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 MBLC Aluminum Alloy Mini Air Cylinder MBLC25X80SCA FAQ
At 0.5 MPa, this 25 mm bore cylinder provides 245 N push and 206 N pull force. At 0.7 MPa, it provides 343 N push and 289 N pull. The theoretical maximum force is 50 kgf at 1.0 MPa. It uses a G1/8 port, a Ø10 mm rod with an M10x1.25 thread, and has a standard speed range of 30-800 mm/s.
The MBLC25X80SCA features a screw-tunable needle valve at both ends that traps a pocket of exhaust air to decelerate the piston smoothly before it hits the end cover. You adjust it to match the load and speed, which cuts impact noise and vibration on fast cycles. It only decelerates near the ends and is not a brake or load lock.
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