Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-100
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX900-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 900mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke900 mm
- Port sizeG3/8
- 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 SAIJ80 Adjustable Cylinder SAIJ80BX900-100
The AirTAC SAIJ80X900-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits fine-tuning of the end position. It provides a usable travel window of 800-900 mm, allowing you to dial back the 900 mm nominal stroke by up to 100 mm during commissioning without adding external stops. This bore size delivers a robust 2513 N pull force at 0.5 MPa, making it suitable for heavy manipulation tasks.
Equipped with a SUS304 stainless steel rod and PT tapered ports, this model handles speeds of 30-800 mm/s. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 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 SAIJ80 Adjustable Cylinder SAIJ80BX900-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | 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 SAIJ80 Adjustable Cylinder SAIJ80BX900-100 Is Used
Product Changeover Lines
Set variable end-stops rapidly when switching package sizes on a conveyor, using the 100 mm adjustment window to adapt positions without mechanical rebuilds.
Heavy Assembly Stations
Leverage the 2513 N pull force to press or lift components, fine-tuning the exact travel end during machine setup for precise alignment.
Long-Stroke Positioning
Dial in the 800-900 mm travel window during commissioning to perfect long-throw movements while relying on external guides to manage side loads.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-100 the Right Cylinder?
Choose this 80 mm bore when an application requires more force than a 63 mm cylinder (which provides 1402 N pull at 0.5 MPa) but does not need the full 3681 N pull of a 100 mm unit. The adjustable stroke is ideal for product changeovers on a line, letting operators set variable end-stops precisely without swapping the cylinder. Because the 900 mm stroke is long and unsupported, an external guide is recommended to prevent rod side-load damage.
For load-holding without live air pressure, note that the rear adjuster acts only as a travel stop and the air cushions only decelerate the load—neither functions as a lock. You would need an external rod lock, a pilot-operated check valve, or a related AirTAC type like SAIL or BSAI for secure positioning. To replace an ISO 15552 cylinder, match the 80 mm bore, 900 mm stroke, 100 mm adjustment, PT G3/8 port, and the desired mounting bracket.
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 SAIJ80 Adjustable Cylinder SAIJ80BX900-100 FAQ
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the 900 mm nominal stroke down to 800 mm. It is a travel stop for end-position tuning, not a lock, and does not hold the load without live air pressure.
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