Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S
The AirTAC Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S is a genuine double-acting double-rod aluminum-barrel mini cylinder with a Ø25mm bore and 75mm stroke. A rod exits both end covers, so extend and retract force are EQUAL — about 206 N each way at 0.5 MPa. Fixed rubber bumper.
- BoreØ25 mm
- Stroke75 mm
- Port sizeG1/8
- Acting typeDouble acting, double rod
- Rod threadM10×1.25
- CushionFixed rubber bumper
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S
The AirTAC MBLD25X75S is a compact double-acting double-rod aluminum mini cylinder engineered for symmetrical motion. Because a Ø10 mm rod exits both end covers, the annulus area is identical on extend and retract, yielding an equal force of 206 N each way at 0.5 MPa. This 75 mm stroke is well suited to short-transfer and gating tasks where consistent end-to-end velocity is required. The built-in magnet (-S) enables position detection.
The rear rod protrusion allows you to mount a position flag or secondary cam while the front rod drives the primary tool, providing inherent anti-rotation guidance for light loads. It features a riveted rolling-packed aluminum barrel and a 20 um hard-chrome plated carbon-steel rod. Impact is managed by a fixed rubber bumper at the stroke ends. Note that overall length is A + 2 x stroke, so you must leave rear-rod clearance in your envelope.
Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S Technical Specifications
| Model | Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (double rod) |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Acting type | Double acting, double rod |
| 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 | Fixed rubber bumper |
| Max standard stroke | Up to 300 mm |
Double-rod overall length = A + 2 × stroke — leave clearance for the rear rod. MBLD/MBLCD mounting is Basic / FA / LB only (no SDB, no back-cover code). Thread options: PT / G / NPT.
Output Force (Ø25mm, equal both ways)
| Pressure | Extend & retract force |
|---|---|
| 0.5 MPa | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 kgf |
A rod on both piston faces makes the annulus area equal, so extend and retract force (and speed) are the same. Actual usable force is lower due to friction.
Model Code: Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S
| MBLD | MBLD aluminum-barrel double-rod mini cylinder. |
|---|---|
| 25 | Bore size in mm. |
| ×75 | Stroke length in mm. |
| S | Optional built-in magnet for a CMSG/DMSG/EMSG sensor switch. |
| FA / LB | Mounting: FA flange or LB foot (no SDB on double-rod). |
Related: MBLCD (double rod, adjustable cushion), MBLC (single rod + cushion), MBL (single rod).
Where the Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S Is Used
PCB Shuttle Transfer
Moves populated circuit boards between inspection stations with 206 N of equal push/pull force, preventing jerk on direction reversal.
Textile Yarn Guide
Uses the rear protruding rod to mount a limit flag while the front rod shifts a yarn guide, keeping the 75 mm stroke perfectly synchronized.
Sensor Probe Ejector
Pushes tested electronic probes out of a test socket and retracts at identical speed, using the -S magnet to trigger a CMSG reed switch.
Is the Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S the Right Cylinder?
If you need less thrust, stepping down to the 20 mm bore yields 132 N both ways at 0.5 MPa; stepping up to the 32 mm bore provides 346 N. The base MBLD uses a fixed rubber bumper—if your payload needs a softer deceleration, select the MBLCD variant which adds adjustable air cushioning. Mounting is limited to Basic, FA flange, or LB foot brackets—there is no SDB pivot or back-cover option. A plain MBLD does not hold position without live air, so fit an external lock for gravity-loaded vertical applications. This exact replacement requires a 25 mm bore, 75 mm stroke, G1/8 port, PT thread, and the -S magnet.
Quick checklist
- ✓ Equal force both ways at your pressure
- ✓ Rear-rod clearance (length = A + 2 × stroke)
- ✓ Mounting: Basic / FA / LB only
- ✓ Magnet (S) for sensors?
- ✓ Side load — add a guide on long strokes
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Leave clearance for the rear rod (length = A + 2 × stroke).
- check Avoid side load; add an external guide on long strokes.
- check Mounting: Basic / FA flange / LB foot (no SDB, no back-cover code).
- check Installation by qualified personnel per AirTAC docs.
Airtac MBLD Dual Axis Type Mini Cylinder MBLD25X75S FAQ
Because it is a double-rod cylinder, the force is identical in both directions: 206 N at 0.5 MPa, 289 N at 0.7 MPa, and a maximum of 42 kgf at 1.0 MPa. There is no larger push-side figure.
A single-rod MBL has unequal push/pull areas, whereas the MBLD has a rod on both sides, making extend and retract force exactly equal. The rear rod can also drive a secondary mechanism or position flag, but requires clearance behind the cylinder.
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