Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX130-50S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX130-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 130mm 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
- Stroke130 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX130-50S
The AirTAC SAIJ63X130-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 80 to 130 mm, allowing you to trim the nominal 130 mm stroke by up to 50 mm during commissioning without swapping out the physical unit. In the 63 mm bore class, it delivers a push force of 1559 N and a pull force of 1402 N at 0.5 MPa, making it well-suited for moderate-load industrial actuation.
This variant includes a magnet for position sensing via CMSE reed or DMSE electronic switches and uses a SUS420J2 stainless steel rod for enhanced corrosion resistance. The extruded aluminum barrel integrates sensor grooves on both sides. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, while the rear stopper acts purely as a travel end-deceleration device rather than a load-holding lock.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX130-50S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX130-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 130 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 SAIJ63AX130-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×130 | 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 SAIJ63AX130-50S Is Used
Machine Changeover
Dial in the 80-130 mm travel window during product size transitions without replacing hardware or adding external stops.
End-Position Tuning
Fine-tune the retract stroke by up to 50 mm at commissioning to perfectly align tooling stops on the assembly line.
Variable End Stops
Set precise retract distances for multi-format packaging equipment using the built-in rear adjustment screw.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX130-50S the Right Cylinder?
Select this 63 mm bore cylinder when your application requires a 1559 N push force at 0.5 MPa and a highly flexible end-position setup. The 50 mm adjustment range is ideal for product-size changeovers on a line, letting you fine-tune the retract distance on the fly. If your force requirements are lower, stepping down to a 50 mm bore provides 982 N of push force, whereas upgrading to an 80 mm bore yields 2513 N.
Because this is an adjustable-stroke model rather than a fixed-stroke SAI, it provides superior commissioning versatility. To directly replace an ISO 15552 cylinder, match the 63 mm bore, 130 mm nominal stroke, 50 mm adjust code, PT tapered port thread, and the -S magnet requirement. Remember that the rear adjuster and air cushions only set the travel end; they do not hold the load without live air. For true load-holding without pressure, consider an external rod lock or the SAIL series.
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 SAIJ63AX130-50S FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 50 mm, creating a usable travel window of 80 to 130 mm. This lets you fine-tune the end position at commissioning or on product changeovers without changing the cylinder.
At an operating pressure of 0.5 MPa, the SAIJ63X130-50-S provides a push force of 1559 N and a pull force of 1402 N. At 0.7 MPa, the push force increases to 2182 N.
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