Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-20S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-20S 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 SAIJ80BX1000-20S
The AirTAC SAIJ80X1000-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa and features a SUS304 stainless steel rod for superior corrosion resistance. Because the 1000 mm stroke exceeds the standard 1500 mm maximum limit for this bore, it is supplied as a non-standard, made-to-order unit.
The integrated stopper screw allows you to fine-tune the retract end position, creating a 980-1000 mm usable travel window for precise product changeovers. It includes a magnetic piston for position sensing with CMSE reed or DMSE electronic switches. The extruded aluminum barrel provides standard ISO 15552 mounting interchangeability, utilizing a reduced set of accessories (Basic, FA, LB, TC, FTC, TCM1, TCM2) that omits FB, CA, CB, and CR options.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-20S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-20S |
|---|---|
| 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 SAIJ80BX1000-20S
| 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 SAIJ80BX1000-20S Is Used
Long-Reach Positioning
Dial in the 980-1000 mm travel window during machine commissioning to perfectly seat large components without adding external stopper blocks.
Product Changeover
Quickly adjust the retract position by up to 20 mm to accommodate varying package sizes on an automated packaging line.
Extended Stroke Actuation
Utilize the non-standard 1000 mm stroke for transferring materials across wide machine beds where standard cylinders fall short.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-20S the Right Cylinder?
Choose this adjustable-stroke model when your machine setup requires variable end-stops without physically swapping out a long-stroke cylinder. If you need less push force, stepping down to a 63 mm bore yields 1559N at 0.5 MPa, while moving up to a 100 mm bore provides 3927N. The PT tapered port and G3/8 thread interface are fixed by the 80 mm bore size.
Because the 1000 mm stroke is exceptionally long, the 25 mm rod requires an external guide to prevent sagging and excessive side-loading. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true fail-safe load holding, select an SAIL pneumatic lock or BSAI clamp-lock cylinder 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 SAIJ80 Adjustable Cylinder SAIJ80BX1000-20S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513N of push force and 2268N of pull force. It can reach a maximum push force of 4523N at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 1000 mm down to 980 mm. This creates a 980-1000 mm tuning window for precise end-position calibration without changing the cylinder.
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