Airtac SAIJ80 Adjustable Cylinder SAIJ80X1000-50S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X1000-50S 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 SAIJ80X1000-50S
The AirTAC SAIJ80X1000-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 1000 mm nominal stroke that can be fine-tuned backward by up to 50 mm, providing a usable travel window of 950 to 1000 mm. In the 80 mm bore class, it generates 2513 N of push force and 2268 N of pull force at 0.5 MPa operating pressure. The integrated -S magnet supports position sensing via CMSE reed and DMSE electronic switches mounted in the dual-side sensor grooves.
This model uses a carbon steel piston rod with an M20x1.5 thread and PT tapered port threads. Because the 1000 mm stroke is long, the 25 mm rod diameter should be paired with an external guide to manage side loads and prevent rod bending. The rear adjuster acts purely as a mechanical stop to set the end position and relies on the adjustable air cushions for deceleration; it does not lock or hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X1000-50S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X1000-50S |
|---|---|
| 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 SAIJ80X1000-50S
| 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 SAIJ80X1000-50S Is Used
Long-Stroke Machine Setup
Dial in the exact 950-1000 mm end position during machine commissioning without swapping out the entire cylinder or adding external mechanical stops.
Product Size Changeovers
Quickly adjust the retract stroke by up to 50 mm to accommodate varying package lengths or material widths on a processing line.
Variable End-Stop Positioning
Fine-tune the retract end-of-stroke on long-travel actuators to perfect operational timing and mechanical synchronization.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X1000-50S the Right Cylinder?
Choose this 80 mm bore cylinder when an application requires substantial thrust combined with variable end-stop positioning at commissioning. If 2513 N of push force at 0.5 MPa is excessive, stepping down to a 63 mm bore yields 1559 N; conversely, moving up to a 100 mm bore provides 3927 N. The adjustable 950-1000 mm travel window is ideal for product changeovers on long-stroke machinery, eliminating the need to physically swap cylinders or bolt on external stops to change the end position.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 1000 mm stroke, 50 mm adjustment range, PT G3/8 port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Remember that the rear adjuster is a travel stop, not a brake; for load-holding without live air pressure, select an AirTAC SAIL or BSAI 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 SAIJ80X1000-50S FAQ
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 4523 N of push force.
The rear mechanical adjuster allows you to shorten the 1000 mm nominal stroke by up to 50 mm, creating a usable travel window of 950 to 1000 mm. This adjuster functions as a travel stop and does not lock the load without continuous air pressure.
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