Airtac SAIJ100 Adjustable Cylinder SAIJ100BX900-100S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX900-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 900mm 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
- Stroke900 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX900-100S
The AirTAC SAIJ100X900-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 800 to 900 mm. Delivering 5497 N of push force at 0.7 MPa, it features a SUS304 stainless steel rod for superior corrosion resistance and a PT tapered port thread. The integrated magnet supports position sensing via CMSE reed or DMSE electronic switches.
This adjustable-stroke design allows you to fine-tune the end position at commissioning without swapping the cylinder or adding external stops. The rear adjuster acts as a travel stop to set deceleration, not a load-holding lock. It uses a reduced mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX900-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX900-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 900 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 SAIJ100BX900-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×900 | 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 SAIJ100BX900-100S Is Used
Variable End-Stop Machining
Dial in the exact 800 to 900 mm travel window during machine setup to accommodate different part lengths without changing the cylinder.
Product Changeover Diverters
Quickly adjust the retract stop on a packaging line to handle varying package sizes on the fly.
Long-Stroke Assembly Presses
Leverage 5497 N of force at 0.7 MPa for pressing operations while fine-tuning the end position to suit specific assembly tolerances.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX900-100S the Right Cylinder?
Choose this 100 mm bore when you need higher thrust than the 80 mm bore (3518 N at 0.7 MPa) but want to avoid the larger footprint of a 125 mm cylinder. The adjustable stroke is ideal for product changeovers, letting you dial back the travel by up to 100 mm on the fly. Because the nominal stroke is 900 mm, an external guide is recommended to manage side loads on the long unsupported rod.
For an exact ISO 15552 replacement, match the 100 mm bore, 900 mm nominal stroke, 100 mm adjustment range, PT port thread, and -S magnet. Remember that the rear adjuster only sets the travel end; it will not hold a load without live air. For true load-holding, consider the SAIL or BSAI series 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 SAIJ100BX900-100S FAQ
At an operating pressure of 0.7 MPa, this 100 mm bore cylinder provides 5497 N of push force and 5145 N of pull force. The maximum force at 1.0 MPa is 801 kgf.
The rear adjuster screw lets you shorten the effective travel from the 900 mm nominal stroke down to 800 mm. It functions as a mechanical stop for end-position tuning and does not lock the load without live air pressure.
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