Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm 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.
- BoreØ63 mm
- Stroke800 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100
The AirTAC SAIJ63X800-100 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 1559N of push force at 0.5MPa. Its 800mm nominal stroke incorporates a 100mm adjustment range, yielding a precise 700-800mm usable travel window for exact end-position tuning during commissioning. This bore features a G3/8 port, an M16x1.5 rod thread, and 36mm variable air cushions at both ends.
Because the adjuster acts purely as a mechanical stop on the retract end, it decelerates travel but does not hold the load without live air. The extruded aluminum barrel includes sensor grooves on both sides; adding a magnet allows for CMSE reed or DMSE electronic solid-state switches. The standard carbon steel rod handles robust duty, while the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) omits FB, CA, CB, and CR options.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 800 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100 Is Used
Machine Changeover
Dial in the 700-800mm travel window during product size changes without physically replacing the cylinder or adding external mechanical stops.
Extended Transfer Lines
Pushes loads over an 800mm reach with 1559N force, using the rear stopper to fine-tune the retraction point for varying pallet lengths.
End-Position Calibration
Trim up to 100mm of the retract stroke during commissioning to perfectly align tooling stops without recalculating fixed cylinder spacing.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100 the Right Cylinder?
Select this 63mm bore when an application requires the 1559N push thrust at 0.5MPa but demands variable end-stops for product changeovers, avoiding the need to swap out a fixed-stroke SAI cylinder. If your setup requires less force, the 50mm bore offers 982N; stepping up to the 80mm bore provides 2513N. For load-holding without continuous air pressure, this cylinder is insufficient as the rear screw is a stop, not a lock, so consider an external rod lock or the SAIL/BSAI series.
When replacing an ISO 15552 cylinder, match the 63mm bore, 800mm stroke, 100mm adjustment, G3/8 PT tapered port, and the specific mounting bracket. Since the 800mm stroke is lengthy, the M16x1.5 rod requires external guide rails to prevent excessive side-loading and premature seal wear. This SKU ships without a magnet (-S omitted).
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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X800-100 FAQ
At 0.5MPa operating pressure, this 63mm bore cylinder provides 1559N of push force and 1402N of pull force. At 0.7MPa, the push force increases to 2182N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the 800mm nominal down to 700mm. It only sets the travel end and does not lock the load without live air pressure.
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