Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-10
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 130mm 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
- Stroke130 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-10
The AirTAC SAIJ40X130-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down to 120-130 mm from the 130 mm nominal stroke. It delivers 628N of push force at 0.5 MPa, making it well-suited for medium-duty positioning tasks. The barrel is extruded aluminum with sensor grooves on both sides.
This SKU is configured with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The rear adjuster acts as a mechanical stop to dial in the end position during commissioning, but it does not lock the load without live air pressure.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-10 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 130 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 SAIJ40BX130-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×130 | 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 SAIJ40BX130-10 Is Used
Machine Setup Calibration
Dial in the exact 120-130 mm end-stop during initial commissioning without adding external physical stops to the machine frame.
Product Changeover
Quickly adjust the stroke by up to 10 mm to accommodate slightly different package sizes on a packaging line.
Corrosive Positioning
Leverage the SUS304 stainless steel rod for reliable end-position pushing in washdown or mildly corrosive environments.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-10 the Right Cylinder?
Choose this 40mm bore when your application requires around 628N of push force at 0.5 MPa; step down to a 32mm bore for lighter 402N tasks, or up to a 50mm bore if you need 982N. The 10mm adjustment range is ideal for product changeovers where the exact end-stop varies slightly, eliminating the need to swap out a fixed-stroke SAI cylinder. To hold a load statically without air pressure, select a SAIL or BSAI cylinder instead, as the SAIJ adjuster is only a travel stop. For a direct ISO 15552 replacement match, specify 40mm bore, 130mm stroke, 10mm adjustment, PT G1/4 port, and Basic/FA/LB/TC/FTC/TCM1/TCM2 mountings.
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 SAIJ40BX130-10 FAQ
At a 0.5 MPa operating pressure, this 40mm bore cylinder provides 628N of push force and 528N of pull force. It can reach up to 1130N push at 0.9 MPa.
The rear adjuster screw lets you shorten the 130mm nominal stroke by up to 10mm, creating a 120-130mm usable travel window. It functions as an end-position stop for fine-tuning, not as a lock to hold the load without air pressure.
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