Airtac SAIJ100 Adjustable Cylinder SAIJ100BX500-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX500-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 500mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke500 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX500-10S
The AirTAC SAIJ100X500-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 490-500 mm for precise end-position tuning. It delivers a robust 3927 N push force at 0.5 MPa, making it suitable for heavy-duty positioning tasks. The extruded aluminum barrel features sensor grooves on both sides, and this -S variant includes a magnet for direct compatibility with AirTAC CMSE reed and DMSE electronic solid-state switches.
This model features a SUS304 stainless steel rod (code B) for superior corrosion resistance and carries a G1/2 port. The rear adjuster acts purely as a mechanical stop to fine-tune the retract position without needing external stops. It supports a speed range of 30-800 mm/s and uses the standard SAIJ mounting set, including Basic, FA, LB, TC, FTC, TCM1, and TCM2, while omitting FB, CA, CB, and CR.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX500-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX500-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 500 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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, 36 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX500-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×500 | 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 SAIJ100 Adjustable Cylinder SAIJ100BX500-10S Is Used
Machine Setup & Changeover
Dial in the exact retract distance within the 490-500 mm window during product line changeovers without adding external mechanical stops.
Heavy Material Handling
Leverage the 3927 N push force at 0.5 MPa to move heavy pallets or workpieces, using the fine-tune adjustment to perfect the resting position.
Variable End-Stop Positioning
Adjust the rear stopper by up to 10 mm to compensate for mechanical wear or sensor drift over the machine's lifecycle.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX500-10S the Right Cylinder?
Choose this 100 mm bore cylinder when an 80 mm bore (delivering 2513 N push at 0.5 MPa) is insufficient for your load, but a 125 mm bore is unnecessarily large. The adjustable 10 mm window is ideal for dialing in exact retract positions during commissioning or product changeover without swapping cylinders. Because the nominal stroke is 500 mm, the 25 mm rod and M20x1.5 thread provide rigidity, but an external guide is recommended to prevent excessive side-loading on long unsupported strokes.
When matching an ISO 15552 replacement, verify the 100 mm bore, 500 mm stroke, 10 mm adjustment range, PT tapered port threads, and the -S magnet requirement. Remember that the rear adjuster is a travel stop, not a lock; if the application requires load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder instead.
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 SAIJ100 Adjustable Cylinder SAIJ100BX500-10S FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides a push force of 3927 N and a pull force of 3681 N. At 0.7 MPa, the push force increases to 5497 N.
The rear mechanical screw allows you to shorten the effective stroke by up to 10 mm, creating a 490-500 mm travel window. It acts as a hard stop to fine-tune the end position and does not lock the load without live air pressure.
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