Airtac SAI40 Standard Air Cylinder SAI40X950
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X950 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 950mm 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
- Stroke950 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
- 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 SAI40 Standard Air Cylinder SAI40X950
The AirTAC SAI40X950 is a double-acting ISO 15552 profile cylinder featuring a 40mm bore and a 950mm stroke. Because 950mm exceeds the standard maximum stroke of 1200mm for this bore, it is manufactured as a made-to-order unit. It provides a push force of 628 N and a pull force of 528 N at 0.5 MPa operating pressure.
This model features a standard carbon steel piston rod for robust mechanical strength. It utilizes a PT tapered port thread and does not include a standard magnet, meaning it is optimized for pure mechanical actuation without external sensor feedback unless specifically modified.
Airtac SAI40 Standard Air Cylinder SAI40X950 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40X950 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 950 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 SAI40 Standard Air Cylinder SAI40X950
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×950 | 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 SAI40 Standard Air Cylinder SAI40X950 Is Used
Long-Reach Material Push
Ideal for pushing products across wide conveyor belts or sorting lanes where a 950mm extension is necessary to reach the far side of the transport line.
Extended Stroke Forming
Suitable for light-duty forming or pressing tasks that require a 628 N push force over a long, controlled 950mm travel distance.
Pallet Rejection Arm
Acts as a long-stroke rejection arm in automated warehouses, physically sweeping standardized totes or boxes off a main flow line at high speed.
Is the Airtac SAI40 Standard Air Cylinder SAI40X950 the Right Cylinder?
When selecting this actuator, consider stepping up to the 50mm bore if your application requires the higher 982 N push force at 0.5 MPa. Because this 950mm stroke exceeds 300mm, the extended rod is highly susceptible to bending under side loads; utilizing an external guide rail or a fully guided cylinder is strongly recommended to prevent rod-bearing damage.
As a true ISO 15552 profile cylinder, it serves as a drop-in replacement for any standard 40mm bore ISO 15552 unit with matching 950mm stroke, G1/4 ports, and M12x1.25 rod threads. If your machinery requires intermediate load holding without continuous air pressure, note that the standard SAI series does not lock; you should specify the SAIL locking variant or use an external pilot-operated check valve.
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 SAI40 Standard Air Cylinder SAI40X950 FAQ
At 0.5 MPa operating pressure, the SAI40X950 provides a push force of 628 N and a pull force of 528 N. At 0.7 MPa, the push force increases to 879 N.
Yes, as a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders of the same 40mm bore and 950mm stroke, using standard mounting accessories.
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Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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