Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75S 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 SAIJ80BX1000-75S
The AirTAC SAIJ80X1000-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 4523N of push force at 0.9 MPa and features a 1000mm nominal stroke that can be fine-tuned down by up to 75mm, creating a precise 925-1000mm usable travel window for exact end-position calibration.
This variant integrates a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing. It operates at 30-800mm/s and utilizes a G3/8 port. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75S |
|---|---|
| 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 SAIJ80BX1000-75S
| 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 SAIJ80BX1000-75S Is Used
Variable End-Stop Tuning
Dial in the exact retract position within the 925-1000mm window during commissioning without adding external physical stops to the machine frame.
Product Size Changeover
Quickly adjust the stroke length by up to 75mm on automated lines processing different product lengths, minimizing downtime between production runs.
Long-Stroke Positioning
Leverage the 4523N push force over a 1000mm travel distance for large-scale material handling, using the fine adjustment to perfect the end-of-stroke deceleration.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX1000-75S the Right Cylinder?
Choose this 80mm bore when an application requires substantial thrust, such as the 4523N push force at 0.9 MPa, but a 50mm bore (1374N push at 0.7 MPa) would be insufficient. The adjustable 925-1000mm travel window is ideal for machine setups requiring variable end-stops during product changeovers, eliminating the need to physically swap out a fixed-stroke SAI cylinder. Because the rear screw acts only as a travel stop and not a lock, load-holding without live air requires a SAIL or BSAI variant.
For an exact ISO 15552 replacement, match the 80mm bore, 1000mm stroke, 75mm adjustment, PT port thread, and the -S magnet requirement. Given the extended 1000mm stroke, an external guide is strongly recommended to prevent excessive side-loading on the 25mm rod. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ80BX1000-75S FAQ
At an operating pressure of 0.9 MPa, this 80mm bore cylinder provides a push force of 4523N and a pull force of 4069N. The maximum push force is 513 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective travel from the 1000mm nominal stroke down to 925mm. This stopper fine-tunes the end position but does not lock the load; live air pressure is still required to hold position.
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