Airtac SAID40 Double Rod Cylinder SAID40BX130
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40BX130 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 130mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke130 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40BX130
The AirTAC SAID40X130 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 130mm stroke. Because the piston rod extends from both end covers, the effective annulus area is identical on the extend and retract sides. This provides an equal force output of 528 N in both directions at 0.5 MPa, ensuring perfectly symmetric motion for demanding tasks.
This specific configuration utilizes a SUS304 stainless steel rod material (code B) for superior corrosion resistance, paired with PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of position switches. You can mount the primary workpiece on the front rod end and utilize the rear protrusion for a cam, secondary tool, or external guide to prevent rotation.
Airtac SAID40 Double Rod Cylinder SAID40BX130 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40BX130 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 130 mm |
| Acting type | Double acting |
| 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 | Adjustable, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID40 Double Rod Cylinder SAID40BX130
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×130 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAID40 Double Rod Cylinder SAID40BX130 Is Used
Symmetric Force Transfer
Ideal for shuttle mechanisms requiring identical push and pull forces, using the 528 N both-way output to move payloads consistently without recalculating directional capacity.
Twin-Station Actuation
Drive two separate operations simultaneously by mounting a tool on the front rod end and a secondary mechanism or cam on the rear protruding rod.
Anti-Rotation Slides
The dual-rod geometry naturally resists torsional twist, providing better guidance for linear slides and preventing workpiece binding during transit.
Is the Airtac SAID40 Double Rod Cylinder SAID40BX130 the Right Cylinder?
Select this 40mm bore when an application requires matched push and pull dynamics that a single-rod SAI cannot provide. If your project demands less force, stepping down to the 32mm bore yields 345 N both ways at 0.5 MPa; conversely, scaling up to the 50mm bore provides 825 N. The SAID40X130 uses a G1/4 port and accepts mounting accessories from the reduced double-rod set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Remember that a plain double-rod cylinder does not hold position if air pressure is lost; the piston will drift. For load-holding requirements, consider an external pilot-operated check valve or the related BSAID clamp-lock series. Since this 130mm stroke is relatively short, side-load stress on the rod bearing is minimal, but an external guide is always recommended for heavy radial loads.
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 (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAID40 Double Rod Cylinder SAID40BX130 FAQ
The SAID40X130 generates 528 N of force in both the extend and retract directions at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa. Because it is a double-rod cylinder, the force is identical both ways.
Yes, the SAID40X130 is dimensionally interchangeable per ISO 15552 standards. It shares the same mounting footprint as other ISO 15552 double-rod profile cylinders, allowing for a drop-in replacement, though you must ensure your mounting accessory is from the SAID compatible set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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