Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 135mm 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
- Stroke135 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-30S
The AirTAC SAIJ100X135-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 3927N of push force at 0.5 MPa. By turning the rear stopper screw, you can trim the effective travel back by up to 30 mm, creating a precise 105-135 mm usable stroke window. This eliminates the need to swap cylinders or bolt on external stops during machine commissioning or product changeovers.
This specific SKU features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a built-in magnet (-S) for position detection. It is designed to work seamlessly with AirTAC CMSE reed and DMSE electronic solid-state sensors mounted into the dual-side sensor grooves on the extruded aluminum barrel. The integrated air cushions at both ends decelerate the load, but remember the adjuster acts only as a travel stop, not a lock, so live air is required to hold position.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 135 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 SAIJ100AX135-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×135 | 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 SAIJ100AX135-30S Is Used
Product Changeover
Dial in the 105-135 mm stroke window on the fly when switching between part sizes on a packaging line, avoiding mechanical rebuilds.
End-Position Tuning
Fine-tune the exact retracted end-stop during machine commissioning to perfect pressing or forming operations without external shims.
Heavy Forming
Leverage the 3927N push force at 0.5 MPa for clamping or pressing heavy assemblies, using the rear screw to set the precise travel limit.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX135-30S the Right Cylinder?
Choose this 100 mm bore when you need substantial thrust, stepping up from a 80 mm bore that provides 2513N push force at 0.5 MPa. The adjustable stroke is ideal for applications requiring variable end-stops or fine-tuning at setup, whereas a fixed SAI cylinder locks you into a single 135 mm dimension. When ordering your ISO 15552 replacement, verify the 135 mm stroke, 30 mm adjustment range, PT tapered port threads, and the -S magnet option.
Because the nominal stroke is 135 mm, side-load risks are minimal, but always ensure the M20x1.5 rod thread is aligned correctly to avoid binding. If your process requires holding a load vertically without continuous air pressure, this cylinder will not suffice; you should look at the SAIL air-released lock or BSAI clamp-lock series instead.
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 SAIJ100AX135-30S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927N of push force and 3681N of pull force. If you increase the pressure to 0.7 MPa, the push force rises to 5497N.
The rear adjuster screw allows you to shorten the nominal 135 mm stroke by up to 30 mm. This provides an adjustable travel window between 105 mm and 135 mm, letting you set the exact end-position without changing the cylinder.
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