Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-100
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-100 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 SAIJ40BX130-100
The AirTAC SAIJ40X130-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 130 mm stroke that can be dialed back by up to 100 mm, creating a wide 30-130 mm usable travel window for exact end-position tuning. Delivering 628N of push force and 528N of pull force at 0.5 MPa, it fits right into medium-duty positioning tasks.
This SKU features a SUS304 stainless steel rod for superior corrosion resistance and uses a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets to streamline setup.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-100 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-100 |
|---|---|
| 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 SAIJ40BX130-100
| 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 SAIJ40BX130-100 Is Used
Product Changeovers
Dial in the exact end-of-stroke position on packaging lines that switch between varying carton lengths, utilizing the full 30-130 mm travel window.
Machine Setup
Fine-tune the retract position during commissioning without fabricating custom spacer blocks or disassembling the cylinder mount.
Variable End Stops
Adjust the effective stroke on the fly for automated test fixtures that need to apply varying amounts of travel for different components.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX130-100 the Right Cylinder?
Choose this 40 mm bore cylinder when your application requires 628N of push force at 0.5 MPa, which sits neatly between the 402N output of a 32 mm bore and the 982N thrust of a 50 mm variant. The massive 100 mm adjustment range is perfect for machines handling frequent product size changeovers, allowing operators to dial in the exact 30-130 mm travel without swapping hardware or adding external stops.
Remember that the rear adjuster functions purely as a mechanical travel stop, not a lock; it cannot hold a load without continuous air pressure. For fail-safe load holding, consider an AirTAC SAIL or BSAI cylinder instead. This model uses a PT port thread and operates at speeds from 30-800 mm/s.
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 SAIJ40BX130-100 FAQ
A rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective stroke by up to 100 mm. This creates a usable travel window of 30 to 130 mm, which can be fine-tuned during commissioning or product changeovers without replacing the cylinder.
At 0.5 MPa operating pressure, the SAIJ40X130-100 provides 628N of push force and 528N of pull force. It can reach up to 1130N of push force at 0.9 MPa.
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