Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-30S 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 SAIJ80BX950-30S
The AirTAC SAIJ80X950-30-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, featuring a SUS304 stainless steel rod for superior corrosion resistance. It provides a 2513N push force at 0.5MPa and uses a PT tapered G3/8 port. The integrated -S magnet enables position sensing with AirTAC CMSE reed and DMSE electronic switches.
This model offers a 920-950mm usable travel window, allowing you to dial back the stroke by up to 30mm during commissioning. The extruded aluminum barrel includes sensor grooves on both sides, and the adjustable stopper acts purely as an end-position limit, not a load-holding lock.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-30S |
|---|---|
| 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 SAIJ80BX950-30S
| 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 SAIJ80BX950-30S Is Used
Variable End-Stop Tuning
Dial in the exact 920-950mm retract position during machine setup without fabricating external mechanical stops.
Product Changeover
Quickly adjust the stroke length on packaging lines to accommodate different box sizes on the fly.
Long-Stroke Positioning
Move components across a wide 950mm span while fine-tuning the final end position to within 30mm of travel.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX950-30S the Right Cylinder?
Choose this 80mm bore when a 50mm bore falls short on power, delivering 2513N push force at 0.5MPa compared to the 982N of a smaller cylinder. The 30mm adjustable travel window is ideal for fine-tuning end stops during product changeover without swapping the cylinder or adding external stops. Because the 950mm stroke is long, an external guide is recommended to handle side loads, as the 25mm rod and M20x1.5 thread alone cannot prevent deflection. For ISO 15552 replacement matching, specify the 80mm bore, 950mm stroke, 30mm adjustment, PT G3/8 port, SUS304 (B) rod, and -S magnet. Note that the rear adjuster only sets the travel end; it will not hold the load without live air, so consider SAIL or BSAI locking cylinders if load-holding is required.
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 SAIJ80BX950-30S FAQ
At 0.5MPa, it provides 2513N of push force and 2268N of pull force. At 0.7MPa, the push force increases to 3518N.
The rear adjuster screw lets you shorten the 950mm nominal stroke by up to 30mm, creating a 920-950mm usable travel window. It functions as a mechanical stop and does not lock the load without air pressure.
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Standard models usually ship in 3-4 days.
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