Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-30S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 200mm 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
- Stroke200 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-30S
The AirTAC SAIJ63X200-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the nominal 200mm travel by up to 30mm. This creates a precise 170-200mm usable travel window, enabling fine end-position tuning at commissioning without swapping the cylinder or adding external stops. It delivers a robust 2182N push force at 0.7MPa and uses a G3/8 port for optimal flow.
Equipped with a magnet for position sensing, this unit works seamlessly with AirTAC CMSE reed and DMSE solid-state switches mounted into the dual-side sensor grooves. The piston rod is constructed from SUS420J2 stainless steel, and the mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options. The rear adjuster acts purely as a travel stop and does not hold the load without live air.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-30S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 200 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 SAIJ63AX200-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×200 | 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 SAIJ63AX200-30S Is Used
Machine Setup Fine-Tuning
Dial in the exact end-of-stroke position during commissioning by adjusting the rear screw up to 30mm, ensuring perfect mechanical alignment without external stops.
Product Changeover
Quickly modify the 170-200mm travel window to accommodate new part sizes on a production line, reducing downtime between product runs.
Variable End-Stop Positioning
Use the adjustable travel limit to set precise retract distances for machining or clamping operations that require strict positional control.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-30S the Right Cylinder?
Choose this 63mm bore when a 50mm bore (1374N push at 0.5MPa) lacks the thrust for your mid-range task, but an 80mm bore (3518N at 0.7MPa) would be excessive. An adjustable stroke is selected over a fixed SAI cylinder when you need variable end-stops for product changeovers or setup fine-tuning. The PT tapered port and SUS420J2 rod are standard here. Because the stroke is 200mm, side-load is moderate, but long unsupported strokes still require an external guide. For true load-holding without live pressure, use an SAIL or BSAI cylinder instead of relying on this 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 SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX200-30S FAQ
At 0.7MPa operating pressure, the 63mm bore provides 2182N of push force and 1402N of pull force. It can reach a maximum push force of 2805N at 1.0MPa.
The rear adjuster screw trims the effective travel from the nominal 200mm down to a minimum of 170mm. It acts as a mechanical stop to set the retract end-position and does not lock or hold the load without continuous air pressure.
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