Airtac SAI40 Standard Air Cylinder SAI40X40
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 40mm 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
- Stroke40 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 SAI40X40
The AirTAC SAI40X40 is a double-acting ISO 15552 profile cylinder engineered for compact, high-cycle actuation. It generates 628N of push force and 528N of pull force at 0.5 MPa, making it well-suited for short-stroke clamping and positioning tasks. The extruded aluminum barrel omits tie rods for a clean exterior while retaining standardized mounting dimensions.
This specific configuration features a carbon steel piston rod and PT tapered port threads. For environments requiring position feedback, the barrel includes sensor grooves on both sides, ready to accept CMSE or DMSE switches when a magnet is specified. Standard adjustable air cushions at both ends ensure smooth deceleration even at operating speeds up to 800 mm/s.
Airtac SAI40 Standard Air Cylinder SAI40X40 Technical Specifications
| Model | Airtac SAI40 Standard Air Cylinder SAI40X40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 40 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 SAI40X40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×40 | 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 SAI40X40 Is Used
Short-Stroke Clamping
Ideal for holding parts securely during machining or welding, utilizing its 628N push force to maintain rigid positioning throughout the manufacturing cycle.
Package Diverting
Provides rapid actuation for sorting and diverting lightweight packages on conveyor lines, with adjustable cushions absorbing the impact at the 40mm stroke end.
Gate Control
Operates small access gates or machine guards efficiently, taking advantage of the standardized ISO 15552 mounting interface for easy frame integration.
Is the Airtac SAI40 Standard Air Cylinder SAI40X40 the Right Cylinder?
When selecting this model, compare its 628N push force at 0.5 MPa against the neighboring SAI32 bore, which offers 402N. If your application requires less force, the 32mm bore saves space; if you need to overcome higher friction or heavier slides, stepping up to the 50mm bore provides 982N. Because this is a genuine AirTAC component, you can rely on consistent ISO 15552 mounting dimensions for straightforward machine integration.
This cylinder does not hold its load if air pressure drops. If your fixture must maintain position during a pressure loss, specify the SAIL variant with an air-released lock or use an external pilot-operated check valve. To ensure a seamless drop-in replacement, verify your mounting accessory (LB, FA, or TC), the PT port thread, and whether your application requires the -S magnet option for sensor tracking.
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 SAI40X40 FAQ
At 0.5 MPa, the SAI40X40 delivers 628N of push force and 528N of pull force. If you increase the operating pressure to 0.7 MPa, the push force rises to 879N.
Yes, the SAI40X40 is built to ISO 15552 dimensional standards, making it interchangeable with other ISO 15552 profile cylinders. You can use existing mounting hardware like foot brackets and flanges without modifications.
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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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