Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X900-10S
The AirTAC Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X900-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 900mm 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
- Stroke900 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X900-10S
The AirTAC SAIJ63X900-10-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a 1559N push force at 0.5 MPa and incorporates a magnetic piston for position sensing. The integrated rear adjusting screw provides a usable travel window of 890-900mm, allowing precise end-position tuning without external stops.
This 63mm bore unit uses a G3/8 port and a 20mm carbon steel rod with an M16x1.5 thread. It includes variable air cushions at both ends to absorb kinetic energy over the 900mm span. The extruded aluminum barrel features sensor grooves on both sides, directly supporting AirTAC CMSE reed and DMSE electronic solid-state switches for exact end-of-stroke detection.
Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X900-10S Technical Specifications
| Model | Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X900-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 900 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 SAIJ63X900-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×900 | 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 SAIJ63X900-10S Is Used
Machine Changeover
Dial in the exact 890-900mm end-stop during product size transitions without swapping hardware or adding external mechanical stops.
Commissioning Fine-Tune
Trim up to 10mm of travel at setup to perfectly time a 900mm stroke sequence, compensating for mechanical tolerance stack-up.
Long-Stroke Positioning
Move loads over a 900mm span while using the rear adjuster to set precise retraction limits on extended material handling lines.
Is the Airtac SAIJ63 Adjustable Stroke Air Cylinder SAIJ63X900-10S the Right Cylinder?
Select this adjustable-stroke model when a machine setup requires exact end-position tuning during commissioning or product changeover, avoiding the need to swap cylinders or bolt on external stops. If your application needs less force, stepping down to a 50mm bore yields a 982N push force at 0.5MPa; if higher thrust is required, an 80mm bore provides 2513N. Because this is a 900mm stroke, long unsupported travel increases deflection risk, so an external guide is recommended to manage side loads despite the robust 20mm rod.
For drop-in replacement, match the 63mm bore, 900mm stroke, 10mm adjustment range, PT tapered port threads, and the -S magnet option. Remember that the rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure; for true load-holding without continuous pressure, consider the SAIL pneumatic lock or BSAI clamp-lock series. SAIJ supports a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets.
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 SAIJ63X900-10S FAQ
At 0.5 MPa operating pressure, this 63mm bore cylinder generates a 1559N push force and a 1402N pull force. At the maximum 1.0 MPa pressure, it achieves a 318 kgf maximum thrust.
The rear adjusting screw acts as an external stopper, allowing you to shorten the effective travel from the nominal 900mm down to a minimum of 890mm. This creates a 10mm tuning window for precise end-position setting without replacing the cylinder.
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