Airtac SAID40 Double Rod Cylinder SAID40AX750
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX750 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 750mm 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
- Stroke750 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX750
The AirTAC SAID40X750 is a double-acting, double-rod ISO 15552 profile cylinder engineered for symmetric actuation. Because the piston rod extends from both end covers, the annulus area is identical on both sides, yielding an equal extend and retract force of 528 N at 0.5 MPa. This through-rod geometry allows you to mount the primary workpiece on the front end while utilizing the rear protrusion for a secondary cam, position flag, or tandem mechanism.
This specific configuration features a SUS420J2 stainless steel rod for enhanced corrosion resistance and includes a PT tapered port thread. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible switch placement. Note that because the rear rod exits the back cover, you must account for additional rear clearance in your machine layout compared to a single-rod SAI.
Airtac SAID40 Double Rod Cylinder SAID40AX750 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX750 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 750 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 SAID40AX750
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×750 | 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 SAID40AX750 Is Used
Symmetric Force Transfer
Ideal for pushing and pulling identical loads at matched speeds, leveraging the equal 528N annulus force on both stroke directions.
Anti-Rotation Slides
The twin-rod architecture prevents piston twist, providing stable linear guidance for precision sliding fixtures without external guides.
Rear-Rod Cam Actuation
Drives a primary tool on the front stroke while the rear rod extension simultaneously triggers a secondary mechanical cam or limit flag.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX750 the Right Cylinder?
Selecting this 40mm bore over the smaller 32mm (345 N) provides greater thrust for driving heavier symmetric loads, while stepping up to a 63mm bore (1402 N) is recommended if your application demands substantially higher force. A twin-rod design is chosen over a single-rod cylinder when precise anti-rotation guidance or dual-sided actuation is required. At a 750mm stroke, the unsupported rod length increases susceptibility to side-load bending; utilize an external guide rail to prevent premature rod-bearing wear.
This unit is dimensionally interchangeable per ISO 15552 standards and uses a reduced mounting accessory set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. As a standard double-acting cylinder, it does not hold position or lock the load when air pressure is lost; integrate an external pilot-operated check valve if fall-protection is needed. This SKU is supplied without a magnet; add the -S suffix if you require CMSE or DMSE sensor detection.
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 SAID40AX750 FAQ
Because it is a double-rod cylinder, the effective area is the same on both sides. It provides an equal force of 528 N in both extend and retract directions at 0.5 MPa, and 739 N at 0.7 MPa.
Yes, the SAID40X750 is a profile cylinder with standard ISO 15552 mounting dimensions, making it a drop-in replacement for other ISO 15552 double-rod cylinders. It uses a PT port and supports Basic, FA, LB, and TC mount styles.
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 SAID40AX750
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.