Airtac SAI40 Standard Air Cylinder SAI40X90S
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X90S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 90mm 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
- Stroke90 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 SAI40X90S
The AirTAC SAI40X90-S is a double-acting ISO 15552 profile cylinder engineered for standardized mounting. Delivering a push force of 879 N at 0.7 MPa, this 40 mm bore unit is built for rigorous pneumatic tasks. The 90 mm stroke provides compact actuation for mid-range cycles.
This variant includes a magnetic piston (-S) for position detection via CMSE or DMSE switches, which seat neatly into the dual sensor grooves on the extruded aluminum barrel. It utilizes a standard carbon steel piston rod and a PT tapered port thread to ensure a robust, leak-free connection.
Airtac SAI40 Standard Air Cylinder SAI40X90S Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40X90S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 90 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 SAI40X90S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×90 | 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 SAI40X90S Is Used
Component Clamping
Secures medium-weight workpieces during machining operations using its 879 N push force at 0.7 MPa.
Package Diverting
Actuates diverter arms on packaging lines where the 90 mm stroke provides rapid and precise routing.
Material Ejection
Ejects molded or stamped parts from machinery, utilizing the integrated magnet to confirm ejection via sensors.
Is the Airtac SAI40 Standard Air Cylinder SAI40X90S the Right Cylinder?
Choose this 40 mm bore when a 32 mm cylinder (offering 563 N at 0.7 MPa) lacks the necessary push force, but a 50 mm bore is physically too large for the envelope. The 90 mm stroke is optimal for short, rapid movements. Because the stroke is under 300 mm, rod-bearing bending is minimal, though side loads should still be minimized.
As a true ISO 15552 profile cylinder, it offers a drop-in replacement for any standard cylinder sharing the same 40 mm bore, 90 mm stroke, G1/4 port, and mounting interface. If the machinery loses air pressure, this standard cylinder cannot hold its load; for position holding without live pressure, consider the SAIL or BSAI locking variants.
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 SAI40X90S FAQ
At an operating pressure of 0.7 MPa, this 40 mm bore cylinder provides a push force of 879 N and a pull force of 528 N.
Yes, the SAI40X90-S is dimensionally interchangeable per ISO 15552. It serves as a drop-in replacement for other ISO 15552 cylinders with a 40 mm bore, 90 mm stroke, and G1/4 port.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
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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