Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-100S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-100S 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 SAIJ100BX175-100S
The AirTAC SAIJ100X175-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 3927N of push force at 0.5MPa. It features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE or DMSE electronic and reed sensors. With a nominal 175mm stroke and a 100mm adjustment range, you can dial the effective travel back to anywhere within a 75-175mm window during commissioning.
The rear adjusting screw acts purely as a mechanical stop to fine-tune the retract end position without requiring external stops or cylinder swaps. It is not a locking device and will not hold a load without live air pressure. This extruded aluminum profile cylinder uses a G1/2 port and includes adjustable air cushions at both ends to manage kinetic energy.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-100S |
|---|---|
| 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 SAIJ100BX175-100S
| 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 SAIJ100BX175-100S Is Used
Variable Product Sorting
Dial in the 75-175mm travel window to accommodate different package sizes on a sorting line without changing out the physical cylinder hardware.
Commissioning End-Stop Tuning
Fine-tune the retract position during machine setup using the rear adjuster, avoiding the need to bolt on external mechanical stops.
Corrosive Environment Actuation
Leverage the 3927N push force and SUS304 stainless steel rod for reliable heavy-duty positioning in washdown or mildly corrosive industrial settings.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-100S the Right Cylinder?
Choose this 100mm bore cylinder when an application requires substantial thrust, stepping up from an 80mm bore that provides 2513N push force at 0.5MPa. The generous 100mm adjustment range is ideal for machines that frequently process varying product sizes, allowing operators to reconfigure the end-stop rapidly. If true load-holding is required without continuous air pressure, consider the SAIL or BSAI series instead of relying on the adjuster.
For an exact ISO 15552 replacement, match the 100mm bore, 175mm nominal stroke, 100mm adjustment code, PT tapered port threads, and the -S magnet option. Because the usable stroke can extend up to 175mm, ensure external guides are used to prevent excessive side-loading on the SUS304 rod. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
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 SAIJ100BX175-100S FAQ
At 0.5MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7MPa, the push force increases to 5497N.
The rear adjuster allows you to shorten the 175mm nominal stroke by up to 100mm, creating a usable travel window of 75-175mm. The adjuster functions as a mechanical stop and does not lock the load without air pressure.
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