Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10S
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10S 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 SAIJ40BX160-10S
The AirTAC SAIJ40X160-10-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, letting you dial back the travel by up to 10 mm. This yields a usable 150-160 mm end-position window for fine-tuning at commissioning without bolting on external stops. It delivers 879 N of push force at 0.7 MPa and uses a SUS304 stainless steel rod for superior corrosion resistance.
This -S variant includes a magnet for position sensing with CMSE reed or DMSE electronic switches fitted into the dual-side sensor grooves. The PT tapered ports are G1/4, and the extruded aluminum barrel design omits tie-rods. It supports a 30-800 mm/s speed range and uses adjustable air cushions at both ends to manage deceleration.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10S Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10S |
|---|---|
| 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 SAIJ40BX160-10S
| 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 SAIJ40BX160-10S Is Used
Product Changeover Tuning
Dial in the 150-160 mm stroke window during packaging line format changes to accommodate slightly different carton lengths without swapping cylinders.
End-Stop Calibration
Fine-tune the retract end-position during machine commissioning to set exact pressing depths, avoiding the need to machine custom external spacers.
Stainless Rod Actuation
Leverage the SUS304 rod and 879 N push force for repetitive indexing in mildly corrosive or washdown manufacturing environments.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX160-10S the Right Cylinder?
Select this 40 mm bore when a 32 mm bore (402 N push at 0.5 MPa) is too weak but a 63 mm bore (1559 N) is oversized. The 10 mm rear adjuster is ideal for machine changeovers where the exact end-of-stroke varies slightly by product size. To match an ISO 15552 replacement, verify the 160 mm stroke, 10 mm adjustment range, PT G1/4 port, and the -S magnet. Since the stroke is 160 mm, standard mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
The rear adjuster acts purely as a travel stop to set the end position, not as a lock. It will not hold a load without live air pressure. For true fail-safe load holding, consider an external rod lock, a SAIL air-released lock cylinder, or a BSAI clamp-lock variant instead of relying on the cushion or stopper.
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 SAIJ40BX160-10S FAQ
It features a rear adjusting screw that acts as a stopper, allowing you to shorten the 160 mm nominal stroke by up to 10 mm. This creates a 150-160 mm usable travel window for fine-tuning the end position at commissioning.
At 0.7 MPa operating pressure, the SAIJ40X160-10-S provides 879 N of push force and 528 N of pull force. It can deliver up to 1130 N push force at 0.9 MPa.
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