Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X25S
The AirTAC MBLD Dual Axis Type Mini Cylinder MBLD40X25S is a genuine double-acting double-rod aluminum-barrel mini cylinder with a Ø40mm bore and 25mm stroke. A rod exits both end covers, so extend and retract force are EQUAL — about 528 N each way at 0.5 MPa. Fixed rubber bumper.
- BoreØ40 mm
- Stroke25 mm
- Port sizeG1/4
- Acting typeDouble acting, double rod
- Rod threadM12×1.25
- 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 MBLD40X25S
The AirTAC MBLD40X25S is a double-acting, double-rod aluminum mini cylinder. A single piston carries a Ø16 mm carbon-steel rod out of both end covers, yielding equal force and speed in both directions. You get 528 N of thrust and retraction force at 0.5 MPa (739 N at 0.7 MPa). The short 25 mm stroke is ideal for high-cycle, short-throw motions in compact spaces.
Because a rod occupies both sides of the piston, the annulus area is identical on extend and retract, meaning push and pull forces are perfectly balanced. The riveted rolling-packed aluminum barrel and 20 µm hard-chrome plating resist wear, while the built-in magnet (-S) allows a CMSG reed or DMSG/EMSG electronic sensor to track position. End-of-stroke impact is absorbed by a fixed rubber bumper, not an adjustable cushion.
Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X25S Technical Specifications
| Model | Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X25S |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (double rod) |
| Bore size | Ø40 mm |
| Stroke | 25 mm |
| Acting type | Double acting, double rod |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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 500 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 (Ø40mm, equal both ways)
| Pressure | Extend & retract force |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 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 MBLD40X25S
| MBLD | MBLD aluminum-barrel double-rod mini cylinder. |
|---|---|
| 40 | Bore size in mm. |
| ×25 | 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 MBLD40X25S Is Used
PCB Edge Deburring
Drives a 528 N deburring blade from both ends to shear copper edges on printed circuit boards without rotational drift.
Textile Loom Taker-up
Synchronizes a twin-rod cam mechanism to guide yarn across a 25 mm short-throw path at high cycle rates.
Connector Stamping Press
Uses the rear rod end to trigger a DMSG solid-state sensor, confirming ejection of 40-pin connector housings.
Is the Airtac MBLD Dual Axis Type Mini Cylinder MBLD40X25S the Right Cylinder?
If you need slightly less force, the MBLD32 bore provides 346 N at 0.5 MPa, while stepping up to the MBLD50 yields 881 N. The double-rod design keeps loads guided against rotation better than a single rod, but external side-load guidance is still recommended for optimal longevity. Mounting is limited to Basic, FA flange, or LB foot brackets—there is no SDB pivot or back-cover option. To replace this exact unit, match the 40 mm bore, 25 mm stroke, G1/4 port, PT thread, and -S magnet. Note that a plain MBLD does not hold position without live air; the bumper only softens impact, so use an external lock for holding.
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 MBLD40X25S FAQ
Because it is a double-rod cylinder, the force is identical in both directions: 528 N at 0.5 MPa, 739 N at 0.7 MPa, and a maximum theoretical load of 108 kgf at 1.0 MPa.
Unlike a single-rod cylinder with unequal push/pull areas, the MBLD40X25S has a rod exiting both ends, making extend and retract forces perfectly equal. The rear rod can mount a position flag or drive a secondary mechanism.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
Related AirTAC Double-Rod Cylinders
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