Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-100S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-100S 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 SAIJ63AX150-100S
The AirTAC SAIJ63X150-100-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a substantial 100 mm rear stroke adjuster. This configuration yields a wide usable travel window of 50 to 150 mm, allowing you to dial in the exact retract end-position during commissioning or product changeovers without swapping out the unit. In the 63 mm bore class, it delivers 2182 N of push force and 1402 N of pull force at a 0.5 MPa operating pressure.
This variant includes a SUS420J2 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel integrates sensor grooves on both sides, and because this model carries the -S magnet option, it is fully compatible with AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a mechanical stop to set the travel end, working alongside the standard 36 mm air cushions to decelerate the load.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-100S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-100S |
|---|---|
| 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 SAIJ63AX150-100S
| 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 SAIJ63AX150-100S Is Used
Adjustable Machine Stops
Set precise retract positions on the fly. The 50-150 mm travel window lets operators fine-tune end-stops during product changeovers without changing the cylinder.
Variable Positioning
Ideal for assembly lines handling multiple part sizes. The 100 mm adjustment range provides flexible end-position tuning directly at the rear of the actuator.
Corrosion-Resistant Actuation
The SUS420J2 stainless steel rod withstands humid or splash-prone industrial environments while delivering 1402 N of pull force at 0.5 MPa.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63AX150-100S the Right Cylinder?
Choose this 63 mm bore when your application requires around 1400 to 2200 N of force at 0.5 MPa; stepping down to a 50 mm bore reduces the pull force to 825 N, while an 80 mm bore increases it to 2268 N. The 100 mm adjustment range is ideal for machinery handling multiple product sizes, as it provides a variable end-stop that replaces the need to physically swap cylinders or bolt on external stopper blocks. The standard operating speed range is 30-800 mm/s.
Because the nominal stroke is 150 mm, side-load is moderate, but you should still ensure proper guiding for any heavy payloads. Remember that the rear adjuster is a travel stop, not a locking device; a plain SAIJ will not hold its load without live air pressure. If your process requires true fail-safe load holding, consider the AirTAC SAIL pneumatic lock series or an external pilot-operated check valve. This cylinder uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and is dimensionally interchangeable with ISO 15552 cylinders.
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 SAIJ63AX150-100S FAQ
The SAIJ63X150-100-S has a rear mechanical screw that acts as a stopper, allowing you to shorten the effective stroke from its nominal 150 mm down to a minimum of 50 mm. This creates a 50-150 mm usable travel window for fine-tuning end positions without replacing the cylinder.
At 0.5 MPa, it provides 1559 N of push force and 1402 N of pull force. The operating speed range is 30-800 mm/s, and it features PT tapered G3/8 ports.
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