Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20 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 SAIJ160BX900-20
The AirTAC SAIJ160X900-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from the 900 mm nominal stroke, providing a usable 880-900 mm window. This on-the-fly tuning at commissioning eliminates the need to swap cylinders or bolt on external stops when dialing in final end positions. Belonging to the 160 mm bore class, it provides robust thrust, pushing with 10053 N and pulling with 9425 N at 0.5 MPa.
This heavy-duty actuator features a SUS304 stainless steel rod (option B) for superior corrosion resistance and utilizes PT tapered port threads (G3/4). The extruded aluminum barrel includes sensor grooves on both sides for straightforward switch mounting. While the rear adjuster and variable air cushions at both ends manage end-of-stroke deceleration, they act as travel stops and do not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20 |
|---|---|
| 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 SAIJ160BX900-20
| 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 SAIJ160BX900-20 Is Used
Heavy Press Tuning
Dial in the exact 880-900 mm end position during heavy press commissioning without swapping out the actuator.
Product Changeover
Adapt long-stroke automated machinery to different product sizes by trimming the stroke up to 20 mm on the fly.
Long-Stroke Setup
Fine-tune the final resting position of large components on a 900 mm travel axis without adding external mechanical stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-20 the Right Cylinder?
Choose this 160 mm bore actuator when your application requires high force—stepping down to a 125 mm bore yields 6136 N push at 0.5 MPa, while this 160 mm unit provides 10053 N. The adjustable-stroke design is ideal for machine setups requiring variable end stops or product-size changeovers without mechanical rebuilds, unlike a fixed-stroke SAI cylinder. For a 900 mm stroke, the 40 mm diameter rod and M36x2 thread handle significant loads, but an external guide is strongly recommended to prevent excessive side-loading on the piston.
When replacing an ISO 15552 cylinder, match these exact parameters: 160 mm bore, 900 mm stroke, 20 mm adjustment range, PT G3/4 ports, and standard mounting options (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because this model lacks a magnet (-S), it cannot host internal sensors; for load-holding without live air, consider an AirTAC SAIL or BSAI cylinder instead of relying on the adjuster.
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 SAIJ160BX900-20 FAQ
At 0.5 MPa operating pressure, this 160 mm bore cylinder provides 10053 N of push force and 9425 N of pull force. At its maximum 1.0 MPa pressure, it delivers up to 2050 kgf.
The rear adjusting screw allows you to shorten the effective travel from the 900 mm nominal stroke by up to 20 mm, creating an 880-900 mm usable window. This stopper fine-tunes the end position but does not lock or hold the load without continuous air pressure.
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