Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-40
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-40 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 SAIJ80BX1000-40
The AirTAC SAIJ80X1000-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down to 960 mm from the 1000 mm nominal stroke. It delivers a robust 4523 N push force at 0.9 MPa, making it suitable for heavy handling. This specific configuration uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads.
Because the adjustment mechanism acts purely as a mechanical stop at the retract end, it does not lock the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily mount CMSE or DMSE switches for position feedback. With a 25 mm rod and M20x1.5 thread, this 1000 mm stroke unit benefits from an external guide to prevent excessive side-loading on the long unsupported piston rod.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-40 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-40 |
|---|---|
| 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 SAIJ80BX1000-40
| 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 SAIJ80BX1000-40 Is Used
Machine Changeover
Dial in the exact retract position within the 960-1000 mm window when switching production lines to different product sizes without machining new hard stops.
Heavy Material Handling
Leverage the 4523 N push force at 0.9 MPa to move heavy pallets or fixtures, using the SUS304 rod in environments where standard carbon steel rods would corrode.
Long-Stroke Assembly Presses
Use the 1000 mm travel for large-format assembly tasks, relying on the rear adjuster to set precise end-of-stroke deceleration before the air cushion takes over.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-40 the Right Cylinder?
Select this 80 mm bore when your application requires the 4523 N thrust at 0.9 MPa but demands on-site end-position tuning without swapping hardware; if you need less force, the 63 mm bore offers 2805 N. The rear screw on this SAIJ allows a 40 mm commissioning adjustment window, which is ideal for product changeovers where a fixed-stroke SAI cylinder would require external stops. For load-holding without continuous air pressure, this cylinder is not a lock; you should consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 1000 mm stroke, PT G3/8 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Given the 1000 mm stroke, always use an external guide rail to support the load and protect the 25 mm rod from deflection.
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 SAIJ80BX1000-40 FAQ
At an operating pressure of 0.9 MPa, this 80 mm bore cylinder generates 4523 N of push force and 4071 N of pull force. The maximum thrust is 513 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 40 mm, creating a usable travel window of 960 to 1000 mm. The adjuster acts as a mechanical stop at the retract end and does not function as a lock to hold the load without air pressure.
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