Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 475mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke475 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100
The AirTAC SAIJ40X475-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 475 mm stroke with a usable travel window of 375-475 mm, allowing you to dial back the extend position by up to 100 mm during commissioning. Delivering 628 N of push force at 0.5 MPa, it bridges the gap between smaller 32 mm bores and 50 mm options.
This SKU is built with a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads (G1/4). The extruded aluminum barrel includes sensor grooves on both sides, and the rear stopper acts purely as a travel end-stop, meaning it will not hold a load without live air pressure.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 475 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×475 | 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 SAIJ40 Adjustable Cylinder SAIJ40BX475-100 Is Used
Machine Changeover
Dial in the exact 375 to 475 mm end-stop during product size changes without replacing the entire cylinder or re-engineering fixture stops.
Variable Diverting
Adjust the pusher stroke on the fly to accommodate different package lengths on a sorting line, using the 100 mm trim to fine-tune positioning.
Assembly Pressing
Regulate the extension distance for light-duty pressing tasks where a 628 N thrust is sufficient and precise end-of-travel contact is required.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100 the Right Cylinder?
Choose this 40 mm bore when your application requires the 628 N push force at 0.5 MPa and needs significant end-position flexibility. The 100 mm adjustment range is ideal for product changeovers on a line, letting you set variable end stops without swapping the cylinder or adding external stops. If you need true load-holding without live air, step up to the SAIL or BSAI series, as the SAIJ adjuster is not a lock.
Because the 475 mm stroke is relatively long, the 16 mm rod should be guided externally to prevent excessive side-loading and premature seal wear. To match this cylinder exactly for an ISO 15552 replacement, specify: 40 mm bore, 475 mm stroke, 100 mm adjustment, PT G1/4 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and no magnet.
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 SAIJ40 Adjustable Cylinder SAIJ40BX475-100 FAQ
At a 0.5 MPa operating pressure, this 40 mm bore cylinder provides 628 N of push force and 528 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 128 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from 475 mm down to as little as 375 mm. It only sets the travel end and deceleration; it does not lock the load in place without continuous air pressure.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SAIJ40 Adjustable Cylinder SAIJ40BX475-100
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.