Airtac SAIJ80 Adjustable Cylinder SAIJ80BX800-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX800-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 800mm 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
- Stroke800 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX800-10
The AirTAC SAIJ80X800-10 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa, utilizing a 25mm piston rod and G3/8 ports. The built-in rear adjusting screw provides a usable travel window of 790-800 mm, allowing you to dial in the exact end position without adding external stops.
Equipped with a SUS304 stainless steel rod, this extruded aluminum profile cylinder handles long-stroke applications while resisting corrosion. It supports speeds from 30-800 mm/s and uses PT tapered port threads. The rear adjuster acts purely as a travel stop for fine-tuning during commissioning; it does not lock the load, so maintaining position requires live air or an external locking device.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX800-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX800-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 800 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 SAIJ80BX800-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×800 | 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 SAIJ80BX800-10 Is Used
Machine Setup Calibration
Fine-tune the 790-800mm retract end position during initial commissioning to achieve precise seating of large components without external shims.
Product Changeover
Quickly adjust the stroke by up to 10mm on a packaging line when switching to a different product size, minimizing downtime.
Long-Stroke Material Handling
Utilize the 2513N push force at 0.5 MPa to move heavy pallets or workpieces over an 800mm travel distance with exact end-stop control.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX800-10 the Right Cylinder?
Choose this 80mm bore when an application demands high thrust that exceeds the 1559N push force of a 63mm cylinder at 0.5 MPa. The 10mm adjustment range is ideal for fine-tuning the retract end position during machine setup or product changeover, avoiding the need to physically swap out a fixed-stroke SAI cylinder. Because the nominal stroke is 800mm, an external guide is strongly recommended to prevent excessive side-loading on the long, unsupported piston rod.
For a direct ISO 15552 replacement match, ensure the 80mm bore, 800mm stroke, PT port threads, and SUS304 rod material are specified. Note that SAIJ supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. If load-holding without continuous air pressure is required, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ80BX800-10 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides a push force of 2513N and a pull force of 2268N. At 0.7 MPa, the push force increases to 3518N.
The rear adjusting screw acts as a mechanical stop that lets you trim the effective stroke back by up to 10mm, creating a 790-800mm usable travel window. It is designed for end-position tuning and does not lock the load without live air pressure.
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