Airtac MBLD Dual Axis Type Mini Cylinder MBLD20X225
The AirTAC MBLD Dual Axis Type Mini Cylinder MBLD20X225 is a genuine double-acting double-rod aluminum-barrel mini cylinder with a Ø20mm bore and 225mm stroke. A rod exits both end covers, so extend and retract force are EQUAL — about 132 N each way at 0.5 MPa. Fixed rubber bumper.
- BoreØ20 mm
- Stroke225 mm
- Port sizeG1/8
- Acting typeDouble acting, double rod
- Rod threadM8×1.25
- 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 MBLD20X225
The AirTAC MBLD20X225 is a compact double-acting double-rod aluminum mini cylinder featuring a 20mm bore and 225mm stroke. Because a rod exits both ends, the annulus area is identical on extend and retract, yielding exactly 132 N of force each way at 0.5 MPa. This symmetric output is ideal for driving a workpiece on one end while a rear rod extension simultaneously operates a cam or position flag.
This SKU uses a G1/8 port, an Ø8 mm carbon-steel rod with 20 µm hard-chrome plating, and a fixed rubber bumper to soften end impacts. It lacks the -S magnet option, meaning it cannot support CMSG, DMSG, or EMSG position sensors. Overall length equals A + 2 x stroke, so you must leave rear-rod clearance in your layout.
Airtac MBLD Dual Axis Type Mini Cylinder MBLD20X225 Technical Specifications
| Model | Airtac MBLD Dual Axis Type Mini Cylinder MBLD20X225 |
|---|---|
| Series | MBL aluminum-barrel mini round cylinder (double rod) |
| Bore size | Ø20 mm |
| Stroke | 225 mm |
| Acting type | Double acting, double rod |
| Port size | G1/8 |
| Rod thread | M8×1.25 |
| 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 (Ø20mm, equal both ways)
| Pressure | Extend & retract force |
|---|---|
| 0.5 MPa | 132 N |
| 0.7 MPa | 185 N |
| Max (@1.0 MPa) | 27 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 MBLD20X225
| MBLD | MBLD aluminum-barrel double-rod mini cylinder. |
|---|---|
| 20 | Bore size in mm. |
| ×225 | 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 MBLD20X225 Is Used
PCB Depaneling Saw
Pushes a circular saw blade forward at 132 N while the rear rod retracts a dust extraction nozzle simultaneously, keeping the cutting zone clear.
Label Applicator Cam
Drives the applicator pad on the front stroke while the opposite rod end actuates a mechanical cam to index the label feed roll.
Connector Pick-and-Place
Uses the twin 8 mm rods to resist rotational torque while transferring delicate electronic connectors over a 225 mm span without twisting.
Is the Airtac MBLD Dual Axis Type Mini Cylinder MBLD20X225 the Right Cylinder?
At 225 mm, this stroke approaches the 300 mm maximum standard limit for a 20 mm bore, meaning the protruding twin rods are highly susceptible to side-load bending; an external guide is strongly recommended to prevent binding. If you need less force, the smaller neighbour bore is unavailable, but if you need more force, stepping up to the 25 mm bore yields 206 N both ways at 0.5 MPa.
Mounting is restricted to Basic, FA flange, or LB foot brackets—there is no SDB pivot or back-cover option. The fixed rubber bumper absorbs end-of-travel shocks but does not lock position; the rod will drift without live air. For applications needing adjustable air cushions, select the MBLCD variant instead. To replace this unit, match the 20 mm bore, 225 mm stroke, G1/8 port, PT thread, and double-rod configuration.
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 MBLD20X225 FAQ
Because the rod occupies both sides of the piston, the force is identical in both directions: 132 N at 0.5 MPa, 185 N at 0.7 MPa, and a theoretical maximum of 27 kgf at 1.0 MPa.
Unlike a single-rod cylinder which has greater push force than pull force, the double-rod design provides equal extend and retract forces. It also allows you to mount a secondary tool, cam, or position flag on the rear rod end.
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