Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-75S
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX425-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 425mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke425 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-75S
The AirTAC SAIJ100X425-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 350 to 425 mm, allowing you to dial back the 425 mm nominal stroke by up to 75 mm during commissioning.
This variant includes a -S magnet for CMSE reed and DMSE electronic sensors, utilizing the standard sensor grooves on both sides of the extruded aluminum barrel. The piston rod is crafted from SUS420J2 stainless steel for superior corrosion resistance, and the PT tapered port threads match the G1/2 standard for this bore size.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-75S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 425 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×425 | 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 SAIJ100AX425-75S Is Used
Machining End-Stop Tuning
Dial in the exact clamping position on a machining fixture by trimming the travel window during setup without external shims.
Product Changeover Diverter
Adjust the rear stopper to accommodate different package lengths on a conveyor line, shifting the stroke endpoint as needed.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-75S the Right Cylinder?
Choose this 100 mm bore when an 80 mm bore (3518 N at 0.7 MPa) lacks the thrust for heavy tooling, but a 125 mm bore is oversized. The 75 mm adjustment window is ideal for product changeovers, letting you set variable end-stops without swapping the cylinder or adding external stops. For any stroke at or above 300 mm, an external guide is recommended to manage side loads on the extended rod.
As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with ISO 15552 cylinders such as SMC, Festo, and Aventics. To match this exact configuration, select a 100 mm bore, 425 mm stroke, 75 mm adjustment, PT port thread, SUS420J2 rod material, and a -S magnet. The mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ100AX425-75S FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke by up to 75 mm, providing a usable travel window of 350 to 425 mm. It only sets the travel end and decelerates the load; it does not hold the load without live air pressure.
The maximum push force is 7068 N at 0.9 MPa.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
Request a Quote for Airtac SAIJ100 Adjustable Cylinder SAIJ100AX425-75S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.