Airtac SAI40 Standard Air Cylinder SAI40X800
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X800 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 800mm 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
- Stroke800 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 SAI40X800
The AirTAC SAI40X800 is a double-acting ISO 15552 profile cylinder engineered for a 40mm bore and an 800mm stroke, delivering 628N of push force at 0.5 MPa. Its extruded aluminum barrel omits tie rods, presenting a clean exterior that drops directly into standardized ISO 15552 mounting interfaces.
This specific configuration ships with a standard carbon steel piston rod and PT tapered port threads. Because no magnet is specified, it operates without electronic position sensing; should you require end-of-stroke feedback, the barrel features dual-sided sensor grooves ready to accept CMSE or DMSE switches when ordered with the -S magnet option.
Airtac SAI40 Standard Air Cylinder SAI40X800 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40X800 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 800 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 SAI40X800
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×800 | 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 SAI40X800 Is Used
Material Transfer
Pushes products or pallets along an extended conveyor line over an 800mm distance using 628N of force at 0.5 MPa.
Vertical Lift Gates
Raises and lowers lightweight access gates or machine guards where a long 800mm stroke is required to clear the work area.
Long-Reach Ejection
Ejects finished parts from a machining center over a long distance to clear the machine envelope before the next cycle begins.
Is the Airtac SAI40 Standard Air Cylinder SAI40X800 the Right Cylinder?
An 800mm stroke on a 40mm bore pushes the limits of standard stroke availability, making this model ideal for applications requiring substantial reach without moving up to a larger bore size. If you need higher thrust, stepping up to the 50mm bore yields 982N at 0.5 MPa, while dropping down to a 32mm bore reduces the footprint to 402N.
At 800mm of extension, the unsupported piston rod is highly susceptible to bending under side loads. To prevent premature rod-bearing wear and seal failure, always guide the load externally or utilize a dedicated guided cylinder assembly. Note that the standard SAI does not hold position when air pressure is removed; for dead-load holding, consider the SAIL variant with an air-released lock.
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 SAI40X800 FAQ
At 0.5 MPa, the SAI40X800 provides 628N of push force and 528N of pull force. If operating at 0.7 MPa, the push force increases to 879N.
Yes, the SAI40X800 is dimensionally interchangeable per ISO 15552, meaning it matches the mounting footprint of other ISO 15552 profile cylinders. Always verify your specific mounting accessory and port requirements.
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1-Year Warranty
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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Most inquiries answered within 7-8 hours.
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