Airtac SAIJ100 Adjustable Cylinder SAIJ100X75-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X75-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X75-30S
The AirTAC SAIJ100X75-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 75 mm stroke that can be fine-tuned down by up to 30 mm, creating a precise 45-75 mm usable travel window for product changeovers. Delivering 3927 N of push force at 0.5 MPa, it handles heavy positioning tasks without needing external stops.
This variant includes a magnet for position sensing and uses a standard carbon steel rod with PT tapered ports. The extruded aluminum barrel features sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches exactly where needed. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X75-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X75-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 75 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 SAIJ100X75-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 SAIJ100X75-30S Is Used
Machine Changeover
Quickly dial in the 45-75 mm stroke window when switching between product sizes on a packaging line, avoiding physical cylinder swaps.
Heavy Clamping
Leverage the 3927 N push force at 0.5 MPa to secure heavy workpieces, using the rear stopper to set the exact clamp depth.
Assembly Pressing
Fine-tune the pressing end-position during commissioning to ensure consistent insertion depths without adding external mechanical stops.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X75-30S the Right Cylinder?
Choose this 100 mm bore when you need substantial thrust—stepping up from a 80 mm bore increases your 0.5 MPa push force from 2513 N to 3927 N. The adjustable stroke is ideal for dialing in exact end positions during commissioning, whereas a fixed SAI cylinder locks you into one dimension. To replace an ISO 15552 cylinder, match the 100 mm bore, 75 mm stroke, PT port, and -S magnet.
Although the 75 mm stroke is relatively short, the 25 mm rod diameter provides excellent rigidity. Remember that the rear adjuster is a travel stop, not a locking device; it cannot hold a load without live air. For true load-holding, consider an external rod lock or the AirTAC SAIL series.
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 SAIJ100X75-30S FAQ
The rear adjuster acts as a mechanical stop that trims the effective travel. For this model, the 75 mm nominal stroke can be reduced by up to 30 mm, giving an adjustable travel window of 45-75 mm to fine-tune the retract end position.
At 0.5 MPa operating pressure, it provides 3927 N of push force and 3681 N of pull force. If you need higher thrust, operating at 0.7 MPa yields 5497 N of push force.
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