Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-40S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-40S 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 SAIJ100BX150-40S
The AirTAC SAIJ100X150-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 40 mm, creating a usable window of 110 to 150 mm for precise end-position tuning. Driven by a 100 mm bore, it delivers substantial thrust, pushing with 7068 N and pulling with 3681 N at 0.9 MPa.
This variant is built with a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing via CMSE reed or DMSE electronic switches. The extruded aluminum barrel incorporates sensor grooves on both sides, and the rear stopper strictly manages travel endpoints without acting as a load lock.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-40S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-40S |
|---|---|
| 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 SAIJ100BX150-40S
| 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 SAIJ100BX150-40S Is Used
Variable End-Stop Machining
Dial in the exact 110 to 150 mm retraction distance during machine commissioning to accommodate varying workpiece sizes without adding external mechanical stops.
Product Line Changeover
Quickly fine-tune the travel end position on a packaging line switching between product formats, utilizing the 40 mm adjustment range for rapid setup.
High-Force Positioning
Leverage the 7068 N push force at 0.9 MPa to move heavy jigs into place while precisely controlling the final end-of-stroke location via the rear screw.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX150-40S the Right Cylinder?
Choose this 100 mm bore adjustable-stroke cylinder when your equipment requires high force alongside variable end stops, avoiding the need to swap physical cylinders during product changeover. If your application demands less thrust, stepping down to an 80 mm bore yields 4523 N of push force at 0.9 MPa, whereas larger capacities require moving up to a 125 mm bore.
This model uses PT tapered ports and a G1/2 connection. It supports the SAIJ mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2. Since the stroke is 150 mm, side-load risks are minimal, but always ensure the M20x1.5 rod thread is properly aligned. For load-holding without live air pressure, the rear adjuster will not suffice; you must integrate an external rod lock or select an AirTAC SAIL or BSAI series cylinder.
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 SAIJ100BX150-40S FAQ
At 0.9 MPa, this 100 mm bore cylinder provides a push force of 7068 N and a pull force of 3681 N. It operates at speeds between 30 and 800 mm/s.
The rear adjuster acts as a stop that lets you shorten the nominal 150 mm stroke by up to 40 mm, providing a usable travel window of 110 to 150 mm. It functions as a travel end-stop and does not lock or hold the load without continuous air pressure.
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