Airtac SAIJ100 Adjustable Cylinder SAIJ100BX450-100
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX450-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 450mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke450 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX450-100
Its 450mm nominal stroke can be dialed back by up to 100mm, creating a precise 350-450mm usable travel window for fine-tuning end positions at commissioning. This eliminates the need to swap cylinders or bolt on external stops during machine setup.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and uses PT tapered port threads with a G1/2 connection. Because the stroke is 450mm, the 25mm rod diameter and M20x1.5 rod thread provide robust support, though an external guide is recommended to manage side loads on longer travels. The rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX450-100 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX450-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 450 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX450-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×450 | 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 SAIJ100BX450-100 Is Used
Product Size Changeover
Quickly adjust the 350-450mm travel window to accommodate different product lengths on a packaging line without changing the cylinder.
End-Position Tuning
Fine-tune the retract end position during machine commissioning to achieve exact clamping or pressing depths without external stoppers.
Variable End Stops
Provide a mechanical means to vary the stroke endpoint on automated assembly equipment where slight positional differences are required.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX450-100 the Right Cylinder?
The 100mm adjustment range is ideal for product-size changeovers on a line, allowing operators to dial in the exact 350-450mm stroke mechanically rather than reprogramming fixed stops. It operates at speeds of 30-800mm/s and includes adjustable air cushions at both ends to decelerate the payload smoothly.
To match this ISO 15552 footprint, specify a 100mm bore, 450mm stroke, 100mm adjustment, PT port thread, and SUS304 rod material. Note that a plain SAIJ does not hold its position without live air; for load-holding without pressure, consider an AirTAC SAIL or BSAI cylinder. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ100BX450-100 FAQ
At 0.5 MPa, the push force is 3927N.
The rear adjuster screw allows you to shorten the effective stroke by up to 100mm, providing a usable travel window of 350-450mm from the 450mm nominal stroke. The adjuster acts as a travel stop to set the end position and does not function as a lock to hold the load without air pressure.
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