Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-50
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 150mm 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
- Stroke150 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-50
The AirTAC SAIJ63X150-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 100-150 mm, allowing you to dial back the 150 mm nominal stroke by up to 50 mm during machine commissioning without adding external stops. Operating at 0.7 MPa, it delivers 2182 N of push force and 1402 N of pull force.
This model uses a SUS420J2 stainless steel piston rod (material code A) for improved corrosion resistance and features a PT tapered G3/8 port. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-50 Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 150 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 SAIJ63AX150-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×150 | 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 SAIJ63AX150-50 Is Used
Product Changeover
Dial in the exact end-of-stroke position for varying package sizes on a packaging line using the 50 mm rear adjustment screw.
Machine Setup
Fine-tune the retract end position during initial commissioning to avoid mechanical crashes, without swapping the cylinder body.
Variable End Stops
Provide a flexible travel window between 100 and 150 mm for automated assembly stations requiring different pressing depths.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-50 the Right Cylinder?
Choose this 63 mm bore when you need higher force than the 50 mm version (which provides 1374 N push at 0.7 MPa) but want a smaller footprint than the 80 mm bore (3518 N push). The generous 50 mm adjustment range is ideal for product changeovers where end-position fine-tuning is frequently required, replacing the need to swap out a fixed-stroke SAI cylinder. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
For any load-holding requirements without continuous air pressure, this adjustable stopper is insufficient; consider the SAIL pneumatic lock or BSAI clamp-lock series instead. Since the 150 mm stroke is under 300 mm, side-load stress on the M16x1.5 rod thread is moderate, though an external guide is still recommended for heavy lateral loads.
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 SAIJ63AX150-50 FAQ
The rear adjuster screw lets you mechanically shorten the effective stroke by up to 50 mm, creating a usable travel window of 100-150 mm. It acts as a physical stop for the retract end position and does not function as a lock.
At a standard 0.7 MPa operating pressure, this 63 mm bore cylinder generates 2182 N of push force and 1402 N of pull force. It can deliver a maximum of 318 kgf at 1.0 MPa.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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