Airtac SAID40 Double Rod Cylinder SAID40X260
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40X260 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 260mm 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
- Stroke260 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40X260
The AirTAC SAID40X260 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 260mm stroke. Because a carbon steel rod exits both end covers, the annulus area is identical on both sides, yielding equal push and pull forces of 528N at 0.5 MPa. This symmetric output is perfect for applications requiring consistent dynamic performance in both directions.
The twin-rod design allows you to mount the primary workpiece on one end and a position flag or cam on the rear rod, taking advantage of the extruded aluminum barrel's dual sensor grooves. Unlike single-rod variants, this configuration provides superior anti-rotation guidance. It uses adjustable air cushions at both ends (30mm cushion length) to decelerate the piston smoothly.
Airtac SAID40 Double Rod Cylinder SAID40X260 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40X260 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 260 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 SAID40X260
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×260 | 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 SAID40X260 Is Used
Symmetric Force Transfer
Drives a dual-stage mechanism where the extend and retract strokes must move identical payloads at the same speed, leveraging the equal annulus area on both sides.
Anti-Rotation Slides
Guides a precision machining head that cannot twist during transit, using the twin-rod architecture to maintain strict angular stability throughout the 260mm travel.
Rear-Rod Cam Actuation
Mounts the primary tool on the front rod end while using the rear protruding rod to trigger a mechanical limit valve or secondary mechanism independently.
Is the Airtac SAID40 Double Rod Cylinder SAID40X260 the Right Cylinder?
Choose this 40mm bore when an application demands 528N of symmetrical force both ways; step down to a 32mm bore (345N) for lighter loads, or up to a 50mm bore (825N) if your mechanism requires more thrust. The double-rod architecture is selected over a single-rod SAI when twin-side actuation, rear-rod sensing, or high resistance to torsional load is required. It operates at speeds of 30-800 mm/s.
This cylinder uses a PT G1/4 port and accepts the reduced SAID mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). It is dimensionally interchangeable per ISO 15552. Note that a plain SAID does not hold its load if air pressure is lost; for position holding, consider a SAIL or BSAID variant. At 260mm stroke, the unsupported rod length increases; for optimal bearing life, use an external guide to prevent rod bending under side 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 SAID40X260 FAQ
Because it is a double-rod cylinder, the effective area is the same on both sides, providing an equal extend and retract force of 528N at 0.5 MPa, 739N at 0.7 MPa, and 950N at 0.9 MPa.
Yes, it is dimensionally interchangeable with ISO 15552 cylinders, but it uses a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2. It does not accept FB, CA, CB, or CR mounts.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SAID40 Double Rod Cylinder SAID40X260
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.