Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 950mm 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
- Stroke950 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-100S
The AirTAC SAIJ80X950-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 850 to 950 mm. Delivering 2513 N of push force at 0.5 MPa, it handles heavy linear motion tasks. The integrated -S magnet supports position sensing via CMSE reed or DMSE electronic switches.
This variant features a SUS304 stainless steel piston rod and PT tapered port threads. The rear adjuster acts purely as a mechanical stop for end-position tuning and does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 950 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 SAIJ80BX950-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×950 | 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 SAIJ80BX950-100S Is Used
Variable End-Stop Tuning
Dial in the exact retract position within the 850-950 mm window during machine setup without adding external stops.
Product Size Changeover
Quickly adapt long-stroke conveyor or press lines to different product lengths by adjusting the rear stopper screw.
Extended Linear Positioning
Move heavy loads over 950 mm of travel where the 25 mm SUS304 rod provides robust resistance to deflection.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-100S the Right Cylinder?
Select this 80 mm bore cylinder when an application requires 2513 N of thrust at 0.5 MPa and a long 950 mm stroke with up to 100 mm of fine-tune adjustment at commissioning. If your force requirements are lower, stepping down to a 63 mm bore yields 1559 N; if higher, a 100 mm bore provides 3927 N. Because the stroke is 950 mm, an external guide is strongly recommended to prevent excessive side loading on the rod.
As a dimensionally interchangeable ISO 15552 cylinder, it matches standard mounting footprints. Configuration specifics for this SKU include the 80 mm bore, 950 mm stroke, 100 mm adjustment range, PT ports, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ80BX950-100S FAQ
At 0.5 MPa it provides 2513 N push and 2268 N pull force. At 0.7 MPa the push force is 3518 N, scaling up to 4523 N at 0.9 MPa.
The rear adjuster screw lets you mechanically shorten the effective stroke from 950 mm down to 850 mm. It functions only as a travel stop and does not lock or hold the load without continuous air pressure.
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