Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-75S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 150mm 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
- Stroke150 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-75S
The AirTAC SAIJ100X150-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, letting you dial back the nominal 150 mm stroke by up to 75 mm. This yields a usable travel window of 75-150 mm, ideal for dialing in exact end positions during commissioning without swapping hardware. It delivers robust thrust, pushing 3927 N and pulling 3681 N at 0.5 MPa.
This specific SKU features a SUS304 stainless steel rod for superior corrosion resistance and ships with a magnet for position sensing. You can fit AirTAC CMSE reed or DMSE solid-state switches into the dual-side sensor grooves. The G1/2 PT tapered ports and 36 mm cushions manage energy effectively, while the extruded aluminum profile keeps the unit dimensionally interchangeable per ISO 15552.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-75S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 150 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 SAIJ100BX150-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×150 | 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 SAIJ100BX150-75S Is Used
Machine Setup & Changeover
Dial in the exact retract position within the 75-150 mm window during product line changeovers without installing external mechanical stops.
Variable End-Stop Tuning
Fine-tune the end-of-stroke position at commissioning to perfect timing, using the rear screw to absorb minor positional variances.
Corrosive Assembly Lines
Leverage the SUS304 stainless steel rod and 3927 N thrust to drive heavy assembly tooling in washdown or mildly corrosive environments.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-75S the Right Cylinder?
Choose this 100 mm bore when your application requires substantial force—stepping down to an 80 mm bore drops your push force to 2513 N at 0.5 MPa, whereas moving up to 125 mm yields 6133 N. The adjustable stroke is selected over a fixed SAI when you need variable end-stops for product changeovers, letting you fine-tune the retract position on the fly. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air. For true load-holding without pressure, consider SAIL or BSAI cylinders.
As an ISO 15552 replacement, match the 100 mm bore, 150 mm nominal stroke, 75 mm adjustment range, G1/2 PT port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB and rear pivot styles. At a 150 mm stroke, the 25 mm rod handles side loads well, but long unsupported strokes still require an external guide.
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 SAIJ100BX150-75S FAQ
The rear adjuster screw lets you shorten the 150 mm nominal stroke by up to 75 mm, providing a usable travel window of 75-150 mm. It acts as a mechanical stop to fine-tune the retract position without replacing the cylinder.
At 0.5 MPa operating pressure, it provides 3927 N of push force and 3681 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 801 kgf.
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Standard models usually ship in 3-4 days.
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