Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-20S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 150mm 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
- Stroke150 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-20S
The AirTAC SAIJ100X150-20-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, engineered to fine-tune end positions during commissioning. It provides a usable travel window of 130-150 mm, allowing you to trim the nominal 150 mm stroke back by up to 20 mm without bolting on external stops. The SUS420J2 stainless steel rod (code A) provides enhanced corrosion resistance, while the integrated magnet (-S) directly supports AirTAC CMSE reed and DMSE electronic sensors for precise position feedback.
Delivering 5497 N of push force at 0.7 MPa, this 100 mm bore profile cylinder handles heavy loads within a 30-800 mm/s speed range. The rear adjuster acts purely as a travel stop to set the deceleration point and does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series instead.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-20S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 150 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 SAIJ100AX150-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×150 | 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 SAIJ100AX150-20S Is Used
Machine Changeover
Dial in the 130-150 mm travel window during product size transitions to set new end stops without physically swapping the cylinder.
End-Position Tuning
Fine-tune the retract position during commissioning to compensate for mechanical tolerance stack-up in automated assembly lines.
Heavy Payload Positioning
Leverage the 5497 N push force at 0.7 MPa to move heavy jigs into exact working positions before triggering downstream tooling.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-20S the Right Cylinder?
Select this 100 mm bore unit when your application requires high thrust but exact end-position tuning varies by product variant. If you need less force, stepping down to an 80 mm bore yields 3518 N at 0.7 MPa. Choose the SAIJ adjustable-stroke design over a fixed SAI model when you need on-the-fly end-stop adjustments during machine setup or product changeover. The PT tapered port threads ensure a tight, reliable pneumatic connection.
This cylinder is dimensionally interchangeable per ISO 15552 mounting interfaces and uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Because the stroke is 150 mm, side loads are minimal, but long unsupported strokes still require an external guide to prevent rod binding.
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 SAIJ100AX150-20S FAQ
The rear adjuster acts as an external stopper that lets you shorten the effective stroke by up to 20 mm, creating a usable travel window of 130-150 mm. It sets the travel end and deceleration point but does not lock or hold the load without live air pressure.
At 0.7 MPa operating pressure, the SAIJ100X150-20-S provides 5497 N of push force and 3681 N of pull force. The maximum push force is 7068 N at 0.9 MPa.
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