Airtac SAIJ100 Adjustable Cylinder SAIJ100X500-30
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X500-30 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 SAIJ100X500-30
The AirTAC SAIJ100X500-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 500mm nominal stroke that can be fine-tuned down by up to 30mm, yielding a precise 470-500mm usable travel window for commissioning without external stops. Delivering 3927N of push force at 0.5MPa, it handles heavy positioning tasks with ease.
This extruded aluminum profile unit includes variable air cushions at both ends and utilizes a G1/2 port. The robust 25mm carbon steel rod and M20x1.5 thread handle high side loads, though the 500mm travel length still requires an external guide. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X500-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X500-30 |
|---|---|
| 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 SAIJ100X500-30
| 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 SAIJ100X500-30 Is Used
Product Changeover
Dial in the 470-500mm travel window during format changeovers to accommodate different product lengths without replacing the cylinder.
Heavy Machining Feed
Leverage the 3927N push force at 0.5MPa to feed heavy workpieces, using the rear stopper to fine-tune the final machining position.
Long-Stroke Press Setup
Set exact bottoming positions for large pressing operations, utilizing the 30mm adjustment range to perfect the stroke end during commissioning.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X500-30 the Right Cylinder?
Choose this 100mm bore when a 63mm bore (1559N push at 0.5MPa) is insufficient for moving heavy payloads, but an 80mm bore (2513N) is still too small. The adjustable 470-500mm travel window is ideal for product changeovers on long-stroke lines, allowing you to dial in the exact end position without swapping cylinders. For an exact ISO 15552 replacement match, verify the 500mm stroke, 30mm adjustment, PT port thread, and mounting style. Because this unit lacks the -S magnet option, it will not work with CMSE or DMSE sensors.
With a 500mm stroke, the unsupported rod length increases, making an external guide rail essential to prevent binding and premature seal wear. Remember that the rear adjuster acts only as a mechanical stop to set deceleration; it does not hold the load if air pressure drops. For true load-holding without live air, select a SAIL or BSAI cylinder.
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 SAIJ100X500-30 FAQ
It features a rear screw stopper that allows you to trim the effective travel down by up to 30mm, providing a usable stroke window of 470-500mm. This lets you fine-tune the end position during setup without adding external stops.
At 0.5MPa, the 100mm bore provides 3927N of push force and 3681N of pull force. At 0.7MPa, the push force increases to 5497N.
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