Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 175mm 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
- Stroke175 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-30S
The AirTAC SAIJ100X175-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 175 mm stroke that can be dialed back by up to 30 mm, creating a precise 145-175 mm usable travel window for fine-tuning end positions at commissioning. Belonging to the 100 mm bore class, it delivers substantial thrust—3927 N push and 3681 N pull at 0.5 MPa—making it suitable for heavy-duty positioning tasks.
This variant features a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and includes a magnet (-S) for position sensing with CMSE reed or DMSE electronic switches. The extruded aluminum barrel includes sensor grooves on both sides, and the unit operates with PT tapered port threads (G1/2). The rear adjustment screw acts as a travel stop to set the retract end, but it does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 175 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 SAIJ100AX175-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×175 | 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 SAIJ100AX175-30S Is Used
Machine Changeover
Dial in the 145-175 mm retract end-stop during product size transitions without swapping out the entire cylinder assembly.
Heavy Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy jigs or platens into exact final positions on the production line.
End-Stop Tuning
Fine-tune the final resting position during machine commissioning, using the 30 mm adjustment window to perfect process alignment.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX175-30S the Right Cylinder?
Choose this 100 mm bore model when an application requires high force—such as the 3927 N push force at 0.5 MPa—and a variable end-stop for product changeovers. If your thrust requirements are lower, stepping down to an 80 mm bore yields 2513 N push force, whereas moving up to a 125 mm bore provides 6136 N. The adjustable stroke is ideal for dialing in exact end positions without swapping cylinders or adding external stops. For load-holding without continuous air pressure, this cylinder is insufficient; the rear adjuster is a stop, not a lock, so you would need a SAIL (air-released lock) or BSAI (clamp-lock) cylinder instead.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 175 mm stroke, 30 mm adjustment range, PT port threads, and the -S magnet requirement. Since the 175 mm stroke is under the 300 mm threshold, side-load stress is moderate, but the 25 mm rod and M20x1.5 thread provide robust resistance to minor deflection. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR styles.
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 SAIJ100AX175-30S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. If higher pressure is available, it can deliver up to 7068 N push force at 0.9 MPa.
The rear adjusting screw acts as a mechanical stop that allows you to shorten the effective stroke from the nominal 175 mm down to as little as 145 mm. This creates a 30 mm adjustable travel window for fine-tuning the retract position without replacing the cylinder.
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