Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75 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 SAIJ80BX1000-75
The AirTAC SAIJ80X1000-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 925-1000 mm usable travel window. Delivering 2513 N of push force at 0.5 MPa, it handles heavy loads while allowing precise end-position tuning during commissioning without external stops. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This model uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The 25 mm rod diameter and M20x1.5 rod thread provide robust side-load capability, though the 1000 mm length requires an external guide to prevent rod deflection. It supports speeds of 30-800 mm/s and uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75 |
|---|---|
| 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 SAIJ80BX1000-75
| 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 SAIJ80BX1000-75 Is Used
Long-Stroke Machining
Dials in the exact 925-1000 mm end position for machining operations where a fixed stop cannot be permanently bolted down.
Product Changeover
Adjusts the retract distance on packaging lines to handle different carton sizes without swapping out the entire actuator.
Commissioning Calibration
Fine-tunes the travel limit during machine setup to perfect the timing of a 2513 N push cycle at 0.5 MPa.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75 the Right Cylinder?
Select this 80 mm bore when a 50 mm bore yields insufficient thrust (982 N push at 0.5 MPa) or a 100 mm bore is excessive (3927 N). The 75 mm adjustment range is chosen over a fixed SAI cylinder when a process requires variable end-stops or frequent product-size changeovers. To match this ISO 15552 replacement exactly, specify the 80 mm bore, 1000 mm stroke, PT port thread, SUS304 rod, and the required mounting style.
Because the stroke is 1000 mm, an external guide is mandatory to manage side loads and prevent rod bending. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for load-holding without pressure, consider an external rod lock or the SAIL cylinder series.
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 SAIJ80BX1000-75 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the 1000 mm nominal stroke by up to 75 mm, creating a 925-1000 mm travel window. It acts as a mechanical stop and does not lock the load without live air pressure.
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