Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-50S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 1000mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke1000 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-50S
The AirTAC SAIJ80X1000-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 1000 mm travel back by up to 50 mm, yielding a usable window of 950-1000 mm. Equipped with a SUS304 stainless steel rod and a magnetic piston for position sensing, it delivers a robust 4523 N of push force at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This model uses PT tapered port threads and supports a speed range of 30-800 mm/s. The rear adjustment screw allows precise end-position tuning during commissioning without adding external stops. It is important to note that this adjuster functions strictly as a travel stop and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-50S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 1000 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 | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×1000 | 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 SAIJ80BX1000-50S Is Used
Product Changeover
Dial in the 950-1000 mm travel window during line changeovers to accommodate different product lengths without replacing the cylinder.
End-Position Tuning
Fine-tune the retract end-position at commissioning using the rear stopper, ensuring precise alignment without external shims.
Automated Pressing
Leverage the 4523 N push force at 0.9 MPa for pressing operations, using the adjustable stop to set the exact depth of travel.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-50S the Right Cylinder?
Choose this 80 mm bore if you need more thrust than the 63 mm option (which provides 2805 N push at 0.9 MPa) but less than the 100 mm class. The adjustable stroke is ideal for machine setups requiring variable end-stops or product-size changeovers, avoiding the need to swap out a fixed-stroke SAI cylinder. When replacing an ISO 15552 cylinder, match the 80 mm bore, 1000 mm stroke, 50 mm adjustment, PT port thread, and the -S magnet requirement. Because the stroke is 1000 mm, an external guide is highly recommended to prevent excessive side-loading on the rod and thread.
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 SAIJ80BX1000-50S FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 50 mm, providing a usable travel range of 950-1000 mm. It acts as a mechanical stop to fine-tune the end position and does not lock the load without continuous air pressure.
At an operating pressure of 0.9 MPa, the SAIJ80X1000-50-S generates a push force of 4523 N and a pull force of 4068 N. The maximum thrust is 513 kgf at 1.0 MPa.
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