Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 160mm 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
- Stroke160 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10
The AirTAC SAIJ40X160-10 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 10 mm. This yields a usable stroke window of 150-160 mm, enabling precise end-position tuning at commissioning without swapping out the barrel or adding external stops. It delivers 879 N of push force at 0.7 MPa, making it well-suited for medium-duty handling tasks.
This model features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. It supports a speed range of 30-800 mm/s and uses variable air cushions at both ends to decelerate the payload smoothly.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 160 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 SAIJ40BX160-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×160 | 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 SAIJ40BX160-10 Is Used
Machine Changeover
Dial in the exact 150-160 mm end position during product size changes without machining new stopper blocks or installing a different cylinder.
Assembly Positioning
Fine-tune the retract stroke on automated assembly lines to accommodate varying part tolerances and ensure precise clamping.
Diverting Gates
Adjust the travel end-stop on sorting conveyors to handle different package sizes without reprogramming the entire pneumatic system.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10 the Right Cylinder?
Choose this 40 mm bore when a 32 mm bore (providing 563 N push at 0.5 MPa) is too weak, but a 63 mm bore (delivering 1559 N at 0.5 MPa) would be excessive overkill. The adjustable rear stopper is ideal for machine setups requiring variable end-stops or frequent product-size changeovers, rather than relying on a fixed-stroke SAI cylinder. Mounting options include the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Because the rear adjuster acts purely as a travel stop and the air cushions only manage deceleration, neither will hold a load without live air pressure. For true load-holding, consider the SAIL or BSAI series. As a dimensionally interchangeable ISO 15552 cylinder, it matches the standard 40 mm bore, 160 mm stroke, PT port, and Basic mounting footprint.
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 SAIJ40BX160-10 FAQ
At a 0.7 MPa operating pressure, this 40 mm bore cylinder provides 879 N of push force and 728 N of pull force. At 0.5 MPa, it delivers 628 N push and 528 N pull.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 160 mm nominal stroke by up to 10 mm, creating a 150-160 mm usable travel window. It sets the end position but does not lock the load without live air pressure.
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