Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 900mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke900 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-30S
The AirTAC SAIJ160X900-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a massive 14074N push force at 0.7 MPa. It features a 900mm nominal stroke that can be fine-tuned backward by up to 30mm, creating a precise 870-900mm usable travel window for exact end-position calibration. This made-to-order long-stroke unit integrates an SUS420J2 stainless steel piston rod and a PT tapered port thread for robust fluid connectivity.
Because the adjuster acts purely as a mechanical stop on the retract end, it allows variable end-stop positioning during commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet (-S) directly supports AirTAC CMSE reed and DMSE electronic solid-state switches for flexible positioning feedback.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×900 | 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 SAIJ160 Adjustable Cylinder SAIJ160AX900-30S Is Used
Heavy Press Positioning
Dial in the exact 870-900mm end-stop during machine commissioning to perfectly seat large components without relying on hard external fixtures.
Product Size Changeover
Quickly trim the retract position by up to 30mm on automated lines when switching between different product lengths or depths.
Long-Stroke Material Handling
Move heavy payloads across a 900mm span while using the rear stopper to finely tune the deceleration point and avoid mechanical shock at the end of travel.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX900-30S the Right Cylinder?
Choose this 160mm bore when an 80mm cylinder (providing 3518N push at 0.7 MPa) lacks the thrust for heavy positioning, but a 200mm bore (21991N) would be physical overkill. The adjustable 870-900mm window is selected over a fixed-stroke SAI when a machine requires fine end-position tuning during product changeovers. For exact ISO 15552 replacement matching, specify the 900mm stroke, 30mm adjustment, PT port thread, SUS420J2 rod, and the -S magnet.
At 900mm of travel, the 40mm diameter rod and M36x2 thread provide substantial rigidity, but an external guide is strongly recommended to prevent rod binding under heavy side loads. Remember that the rear adjuster and air cushions only decelerate the travel end; they do not hold the load without live air. For true load-holding without pneumatic pressure, consider an AirTAC SAIL pneumatic lock, a BSAI clamp-lock cylinder, or an external rod lock.
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 SAIJ160 Adjustable Cylinder SAIJ160AX900-30S FAQ
At a 0.7 MPa operating pressure, this 160mm bore cylinder generates 14074N of push force and 9425N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear mechanical stopper allows you to shorten the 900mm nominal stroke by up to 30mm, providing an adjustable travel window between 870mm and 900mm. This enables precise end-position tuning at commissioning without needing to physically swap the cylinder.
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