Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-30S 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 SAIJ100BX150-30S
The AirTAC SAIJ100X150-30-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, delivering 3927N of push force at 0.5 MPa. Its built-in stopper provides a usable travel window of 120-150mm, allowing you to trim up to 30mm off the nominal 150mm stroke. This eliminates the need to swap cylinders or bolt on external stops during machine commissioning or product changeovers.
This variant features a SUS304 stainless steel rod (option B) for superior corrosion resistance and ships with a magnetic piston for position detection. The extruded aluminum barrel includes sensor grooves on both sides, directly accepting CMSE reed and DMSE electronic switches. It uses a G1/2 port and relies on variable air cushions at both ends to decelerate the load.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-30S |
|---|---|
| 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 SAIJ100BX150-30S
| 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 SAIJ100BX150-30S Is Used
Product Changeovers
Dial in the 120-150mm travel window during format changes on packaging lines without physically replacing the actuator.
Machine Setup
Fine-tune the retract end-position during commissioning to perfectly seat heavy assemblies without adding external stopper blocks.
Press Positioning
Adjust the effective stroke on a press fixture to accommodate varying material thicknesses while using the robust SUS304 rod.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-30S the Right Cylinder?
Choose this 100mm bore when you need heavy thrust (up to 7068N push at 0.9 MPa) but require precise end-position tuning at setup; if you need less force, stepping down to a 63mm bore yields 1559N at 0.5 MPa. The adjustable rear screw is a travel stop, not a lock, so it cannot hold a load without live air. For true position holding, select an SAIL air-released lock or BSAI clamp-lock cylinder. To match this ISO 15552 replacement, specify bore 100, stroke 150, adjust 30, PT tapered ports, and the -S magnet.
Because the stroke is 150mm, side-load risks are moderate, but you should still ensure adequate external guidance for heavy loads to prevent rod binding. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets found on other 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 SAIJ100BX150-30S FAQ
At a 0.5 MPa operating pressure, it provides 3927N of push force and 3681N of pull force. At the maximum 1.0 MPa pressure, the push force reaches 801 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the nominal 150mm down to 120mm. This stopper only sets the end position; it does not lock the load without continuous air pressure.
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