Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-30S 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 SAIJ100BX175-30S
The AirTAC SAIJ100X175-30-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 3927N of push force at 0.5 MPa and provides a usable travel window of 145 to 175mm, letting you trim up to 30mm off the nominal stroke during commissioning. The SUS304 stainless steel rod enhances corrosion resistance for demanding environments.
Equipped with a magnet for position sensing, this model supports AirTAC CMSE reed and DMSE electronic solid-state switches seated in the dual sensor grooves of the extruded aluminum barrel. It omits the FB, CA, CB and CR mounts, utilizing a focused ISO 15552 mounting set of Basic, FA, LB, TC, FTC, TCM1 and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-30S |
|---|---|
| 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 SAIJ100BX175-30S
| 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 SAIJ100BX175-30S Is Used
Changeover Calibration
Dial in the 145-175mm travel window during product size changeovers to set precise retract positions without machining new hard stops.
Press Fit Tuning
Leverage the 3927N thrust at 0.5 MPa for press operations, using the 30mm rear adjuster to fine-tune insertion depth at the machine commissioning stage.
Adjustable Ejector
Deploy the SUS304 rod in ejection stations where the exact push-off distance varies between fixtures, relying on CMSE or DMSE sensors for position confirmation.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX175-30S the Right Cylinder?
Select this 100mm bore cylinder when an 80mm bore provides insufficient thrust (2513N push at 0.5 MPa) but you need to avoid the heavier 125mm class. The adjustable stroke is ideal for product changeovers, allowing you to dial in the exact end-stop without swapping hardware or adding external stops. Remember the rear adjuster acts only as a travel stop, not a lock; for load-holding without live air, consider an external rod lock or the SAIL series.
When matching ISO 15552 replacements, verify the 175mm stroke, 30mm adjustment range, G1/2 port, PT threaded connection, and the -S magnet requirement. For this 175mm stroke, the 25mm rod handles standard side loads well, but always ensure external guiding if subjected to significant lateral forces.
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 SAIJ100BX175-30S FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7 MPa, the push force increases to 5497N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 175mm down to 145mm. It acts as a mechanical stop to decelerate the piston, but it does not lock the load without continuous air pressure.
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