Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20S 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 SAIJ160BX900-20S
The AirTAC SAIJ160X900-20-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications requiring precise end-position tuning. Equipped with a rear stroke adjuster, it allows you to trim the effective travel by up to 20 mm, creating an 880-900 mm usable window without needing external stops. Operating at 0.9 MPa, it delivers a substantial push force of 18095 N, making it ideal for high-force pressing and heavy load manipulation.
This model features a SUS304 stainless steel rod for superior corrosion resistance and includes an integrated magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the unit utilizes PT tapered ports. The rear adjuster acts strictly as a travel stop for deceleration and positioning, not as a load-holding lock; true load holding without live air requires a SAIL or BSAI variant.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20S |
|---|---|
| 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 SAIJ160BX900-20S
| 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 SAIJ160BX900-20S Is Used
Heavy Pressing Operations
Delivers 18095 N of thrust at 0.9 MPa for heavy assembly presses, using the 20 mm rear adjuster to fine-tune the exact bottoming position during machine commissioning.
Product Size Changeover
Ideal for automated lines running multiple product sizes, allowing operators to quickly dial back the 900 mm stroke within the 880-900 mm window without swapping out the entire cylinder.
Long-Stroke Positioning
Handles long-travel material handling tasks where the SUS304 stainless steel rod provides corrosion resistance and the integrated magnet enables end-of-travel detection via DMSE sensors.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20S the Right Cylinder?
Selecting this 160 mm bore cylinder is appropriate when your application demands extreme force, offering 14074 N push at 0.7 MPa, stepping up from a 125 mm bore that provides 8590 N. An adjustable stroke is chosen over a fixed SAI cylinder when machine setups require commissioning fine-tuning or frequent product-size changeovers, allowing operators to dial in the exact end-stop on the fly.
Because the 900 mm stroke is substantial, the 40 mm rod and M36x2 thread provide rigidity, but an external guide is strongly recommended to prevent side-load damage over long unsupported travel. For ISO 15552 replacement matching, verify the 160 mm bore, 900 mm stroke, 20 mm adjustment, PT G3/4 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and the -S magnet requirement.
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 SAIJ160BX900-20S FAQ
The rear adjuster allows you to shorten the nominal 900 mm stroke by up to 20 mm, providing an effective travel range of 880-900 mm. This stopper fine-tunes the retract end-position at commissioning but does not hold the load without live air pressure.
At the maximum operating pressure of 1.0 MPa, it provides up to 2050 kgf. At 0.7 MPa, the push force is 14074 N and the pull force is 9425 N.
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