Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-40
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 95mm 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
- Stroke95 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-40
The AirTAC SAIJ100X95-40 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear mechanical stroke adjuster. It delivers substantial thrust, providing 7068N of push force and 3681N of pull force at a 0.9 MPa operating pressure. The extruded aluminum barrel integrates sensor grooves on both sides for flexible mounting of CMSE reed and DMSE electronic switches.
This specific SKU features a 95 mm nominal stroke that can be dialed back by up to 40 mm, creating a precise 55-95 mm usable travel window. This built-in adjustability allows operators to fine-tune end positions at commissioning or during product changeovers without swapping out the entire cylinder or fabricating external stops. It uses a G1/2 port and a robust M20x1.5 rod thread, while the rear adjuster acts strictly as a travel stop to set deceleration, not as a lock to hold the load without live air.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 95 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 SAIJ100X95-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×95 | 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 SAIJ100X95-40 Is Used
Product Changeover
Dial in the 55-95 mm stroke window during production line changeovers to accommodate varying part dimensions without replacing the actuator.
Pressing & Forming
Leverage the 7068N push force at 0.9 MPa for light-duty pressing tasks, using the rear stopper to precisely set the final contact depth.
Commissioning Calibration
Fine-tune the retract end-position during initial machine setup to dial out mechanical tolerances and achieve exact sensor triggering points.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X95-40 the Right Cylinder?
Choose this 100 mm bore adjustable cylinder when your application demands high force combined with variable end-stops, such as pressing or forming stations that process multiple material thicknesses. If your process requires less force, stepping down to an 80 mm bore yields 4523N of push force at 0.9 MPa, whereas moving up to a 125 mm bore provides 11045N. Because the 95 mm stroke remains under the 300 mm threshold, side-loading is less critical, but external guidance is still recommended for optimal rod bearing life.
Select the SAIJ over a fixed-stroke SAI when you need on-the-fly position tuning. To replace this unit, match the 100 mm bore, 95 mm stroke, 40 mm adjustment range, PT tapered port threads, and carbon steel rod material. Note that SAIJ uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. For applications requiring true load-holding without continuous air pressure, consider the SAIL or BSAI 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 SAIJ100X95-40 FAQ
A rear adjusting screw acts as an external stopper, allowing you to shorten the effective travel by up to 40 mm. This creates a usable stroke window of 55 to 95 mm, enabling fine-tuning of the end position without adding external stops or changing the cylinder.
At 0.9 MPa, the SAIJ100X95-40 provides a push force of 7068N and a pull force of 3681N. It operates at speeds between 30 and 800 mm/s and uses a G1/2 port.
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