Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-20S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 600mm 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
- Stroke600 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-20S
The AirTAC SAIJ100X600-20-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to trim the effective travel within a 580 to 600 mm window. It delivers a substantial 3927 N of push force at 0.5 MPa, making it well-suited for heavy-duty positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides, and because this unit includes the -S magnet option, it is fully compatible with AirTAC CMSE reed and DMSE electronic solid-state switches for precise end-of-stroke detection.
This model features a carbon steel piston rod with an M20x1.5 thread, paired with a robust G1/2 PT port to handle high flow rates. The rear adjuster acts strictly as a mechanical stop to fine-tune the retract position during commissioning or product changeovers; it is not a locking device and will not hold the load without live air pressure. For applications requiring true load-holding without continuous pneumatic pressure, consider the SAIL or BSAI series instead.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-20S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 600 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 SAIJ100X600-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×600 | 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 SAIJ100X600-20S Is Used
Product Changeover Tuning
Dial in the 580-600 mm retract stop during production line changeovers to accommodate varying product lengths without swapping out the entire cylinder assembly.
Heavy-Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy pallets or fixtures, using the rear adjustment screw to finalize the exact end-of-stroke position.
Machine Setup Calibration
Fine-tune the end stop during initial machine commissioning to achieve precise mechanical alignment, avoiding the need for custom spacer shims.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X600-20S the Right Cylinder?
Select this 100 mm bore cylinder when your application requires high thrust (3927 N push at 0.5 MPa) and exact end-position tuning without adding external stops. If your force requirements are lower, stepping down to an 80 mm bore yields 2513 N of push force, whereas stepping up to a 125 mm bore provides 6136 N. Choose the adjustable SAIJ over a fixed-stroke SAI when you need on-the-fly travel adjustments during machine setup or product-size changeovers. To match this ISO 15552 replacement exactly, verify the 100 mm bore, 600 mm stroke, 20 mm adjustment range, G1/2 PT ports, and the -S magnet option.
Because this model features a 600 mm stroke, the extended rod is subject to increased side-loading risks. Despite the durable 25 mm rod diameter and M20x1.5 thread, an external guide should be used to support long unsupported loads and prevent premature seal wear.
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 SAIJ100X600-20S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers 7068 N of push force.
The rear adjuster screw lets you shorten the 600 mm nominal stroke by up to 20 mm, providing an effective travel window of 580 to 600 mm. This mechanical stop fine-tunes the retract position but does not lock or hold the load without live air pressure.
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