Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 230mm 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
- Stroke230 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40
The AirTAC SAIJ100X230-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 190-230 mm usable travel window, allowing you to dial back the 230 mm nominal stroke by up to 40 mm during machine commissioning. Delivering 7068 N of push force at 0.9 MPa, it handles heavy loads with precision.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, while the rear adjuster acts purely as a travel stop for end-position tuning without requiring an external stopper block.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 230 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 SAIJ100BX230-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×230 | 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 SAIJ100BX230-40 Is Used
Variable End-Stop Positioning
Fine-tune the 190-230 mm travel window during machine commissioning to accommodate varying part dimensions without physically swapping the cylinder.
Product Changeover Setup
Quickly adjust the retract end-position by up to 40 mm when switching production lines to a new product size, minimizing downtime.
Heavy-Duty Clamping
Leverage the 7068 N push force to securely clamp heavy workpieces, using the rear stopper to precisely set the clamp depth.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-40 the Right Cylinder?
Choose this 100 mm bore when you need 7068 N of push force at 0.9 MPa, stepping up from an 80 mm bore that provides 4523 N. The 40 mm adjustment range is ideal for product changeovers where exact end-of-stroke positioning varies, saving you from swapping out a fixed-stroke SAI cylinder. To replace an ISO 15552 cylinder, match the 100 mm bore, 230 mm stroke, 40 mm adjustment, PT port, and your required mounting.
Since the stroke is 230 mm, ensure adequate support to prevent rod sag and side-load wear. Remember that the rear adjuster is a stop, not a lock; the SAIJ100X230-40 will not hold its load without live air pressure. For true load-holding, consider an external rod lock, a pilot-operated check valve, or the AirTAC SAIL and BSAI series.
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 SAIJ100BX230-40 FAQ
At an operating pressure of 0.9 MPa, this 100 mm bore double-acting cylinder generates 7068 N of push force and 3681 N of pull force. It operates at speeds between 30 and 800 mm/s.
The rear adjuster screw lets you shorten the 230 mm nominal stroke by up to 40 mm, providing a 190-230 mm travel window. It acts as a mechanical stop to fine-tune the end position without needing external stoppers.
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