Airtac SAIJ100 Adjustable Cylinder SAIJ100BX155-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX155-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 155mm 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
- Stroke155 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX155-10S
The AirTAC SAIJ100X155-10-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end position by up to 10 mm, creating a precise 145-155 mm usable travel window. It delivers a robust 3927 N push force at 0.5 MPa and 7068 N at 0.9 MPa, making it well-suited for heavy-duty positioning tasks. This variant includes a SUS304 stainless steel rod for superior corrosion resistance and an integrated magnet for position sensing.
Equipped with PT tapered ports (G1/2), this model supports a speed range of 30-800 mm/s and relies on variable air cushions at both ends to decelerate the load. The extruded aluminum barrel features sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic sensors directly along the body. It is a true profile cylinder, dimensionally interchangeable per ISO 15552 with similar industry-standard mounting interfaces.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX155-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX155-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 155 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 SAIJ100BX155-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×155 | 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 SAIJ100BX155-10S Is Used
Machine Changeover
Dial in the 145-155 mm travel window during product size transitions to hit exact positioning without changing the cylinder.
Heavy-Duty Clamping
Leverage the 7068 N push force at 0.9 MPa to secure heavy workpieces while fine-tuning the clamping depth at the rear stopper.
Corrosive Environments
Utilize the SUS304 stainless steel rod and adjustable end-stop for reliable actuation in washdown or chemically exposed settings.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX155-10S the Right Cylinder?
Choose this adjustable-stroke model when your machine setup requires exact end-position tuning at commissioning or during product changeover without physically swapping the cylinder or adding bulky external stops. If you need slightly less force and a more compact footprint, stepping down to an 80 mm bore yields 2513 N of push force at 0.5 MPa. Conversely, if your application exceeds 7068 N, a 125 mm bore provides 6136 N at 0.5 MPa.
When specifying this ISO 15552 replacement, verify your bore (100), stroke (155), adjustment (10), port (PT G1/2), mounting, and magnet (-S). Because the stroke is 155 mm, side-load risks are moderate, but always ensure proper external guiding for heavy loads. Remember that the rear adjuster acts only as a travel stop, not a lock; the SAIJ does not hold position without live air. For true load-holding without pressure, consider the SAIL or BSAI 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 SAIJ100BX155-10S FAQ
The rear adjusting screw lets you shorten the effective stroke from the 155 mm nominal length by up to 10 mm, providing a 145-155 mm usable travel window. It acts as a mechanical stop to fine-tune the retract position and is not a locking device.
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.9 MPa, the push force increases to 7068 N.
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