Airtac SAIJ100 Adjustable Cylinder SAIJ100X90-75
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X90-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 90mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke90 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X90-75
The AirTAC SAIJ100X90-75 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers a robust 3927N push force at 0.5MPa, making it ideal for heavy-duty operations. By turning the rear screw, you can trim the nominal 90mm travel back by up to 75mm, creating a highly versatile 15-90mm usable window for precise end-position tuning.
This adjuster functions strictly as a mechanical stop to set the retraction endpoint and relies on the integrated air cushions for deceleration; it does not lock or hold the load without continuous live air. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily add CMSE or DMSE position switches if needed.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X90-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X90-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 90 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100X90-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×90 | 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 SAIJ100 Adjustable Cylinder SAIJ100X90-75 Is Used
Variable End-Stop Positioning
Dial in the exact retraction point between 15mm and 90mm on the fly, perfect for testing prototype fixtures without machining new hard stops.
Rapid Product Changeover
Quickly adjust the stroke length via the rear screw when switching a packaging line to accommodate different box sizes or component heights.
Heavy-Duty Forming Setup
Leverage the 3927N push force at 0.5MPa for pressing operations, using the adjuster to fine-tune the depth of stroke during initial machine commissioning.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X90-75 the Right Cylinder?
Select this 100mm bore actuator when an application requires substantial thrust—such as 3927N push or 3681N pull at 0.5MPa—but demands variable end-stops for frequent product changeovers. If your setup needs less force, stepping down to an 80mm bore yields 2513N push force, whereas a 125mm bore provides 6136N for heavier loads. The PT threaded G1/2 port matches the standard sizing for this bore.
Because the nominal stroke is 90mm, an external guide is not strictly required for side loads, but the 25mm carbon steel rod and M20x1.5 thread provide excellent structural rigidity. For load-holding without pneumatic pressure, this standard SAIJ configuration is insufficient; you should instead explore an AirTAC SAIL or BSAI variant. Dimensionally interchangeable per ISO 15552, it supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ100 Adjustable Cylinder SAIJ100X90-75 FAQ
At 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At a maximum 1.0MPa, it can deliver up to 801kgf.
The rear adjuster acts as a mechanical stop, allowing you to shorten the 90mm nominal stroke by up to 75mm. This creates a usable travel window of 15mm to 90mm, which can be fine-tuned during commissioning without swapping the cylinder.
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