Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-50
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-50 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 SAIJ100AX150-50
The AirTAC SAIJ100X150-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel. With a 150 mm nominal stroke and a 50 mm adjustment range, it provides a 100 to 150 mm usable travel window for precise end-position tuning at commissioning. It delivers a robust 7068 N push force at 0.9 MPa, making it suitable for heavy-duty positioning tasks.
This model features a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if a magnet is added later. It supports a speed range of 30-800 mm/s and uses variable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-50 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-50 |
|---|---|
| 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 SAIJ100AX150-50
| 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 SAIJ100AX150-50 Is Used
Variable End-Stop Positioning
Dial in the exact clamping or pressing depth between 100 and 150 mm during machine setup without replacing the entire actuator.
Product Size Changeovers
Quickly adapt automated lines to new product lengths by turning the rear adjuster to shift the retraction end-point on the fly.
Heavy-Duty Assembly Presses
Leverage the 7068 N push force at 0.9 MPa to seat bearings or components, tuning the final stroke to prevent overtravel damage.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX150-50 the Right Cylinder?
Choose this 100 mm bore when an 80 mm bore (providing 4523 N push force at 0.9 MPa) is insufficient, but you want to avoid stepping up to a 125 mm cylinder. The 50 mm adjustable stroke is ideal for product changeovers on a line, letting you set a new variable end-stop without swapping the cylinder or bolting on external stops. The mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Remember that the rear adjuster acts only as a travel stop, not a lock; it will not hold the load without live air. For true fail-safe load holding, consider the SAIL (air-released lock) or BSAI (clamp-lock) variants. When replacing an ISO 15552 cylinder, match the 100 mm bore, 150 mm stroke, 50 mm adjustment, PT port, and appropriate mounting hardware.
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 SAIJ100AX150-50 FAQ
The SAIJ100X150-50 delivers a push force of 7068 N at 0.9 MPa and a pull force of 3681 N at 0.7 MPa. The maximum push force is 801 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the 150 mm nominal stroke by up to 50 mm, providing a usable travel window of 100 to 150 mm. It functions as an external stop, not a lock, meaning the cylinder requires live air to maintain position.
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