Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-30 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 SAIJ160BX900-30
The AirTAC SAIJ160X900-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down to 870-900 mm. Built with a robust 40 mm SUS304 stainless steel rod, it delivers a substantial 18095 N pull force at 0.9 MPa, making it suitable for heavy-duty positioning tasks.
This model uses a PT tapered port and operates at speeds of 30-500 mm/s. Unlike a fixed-stroke SAI cylinder, the rear adjuster acts as a mechanical stop to dial in the exact retract position during commissioning without adding external stops. The adjuster only sets the travel end point and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-30 |
|---|---|
| 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 SAIJ160BX900-30
| 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 SAIJ160BX900-30 Is Used
Heavy Machinery Positioning
Fine-tune the 870-900 mm retract position on large fabrication equipment during initial commissioning or product changeover.
Long-Travel Press Setup
Dial in the exact end-stop for a 900 mm stroke press without swapping out the entire cylinder or bolting on external mechanical stops.
Variable End-Stop Adjustment
Use the 30 mm rear adjustment range to accommodate varying material sizes on an automated assembly line, ensuring precise retraction.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-30 the Right Cylinder?
Choose this 160 mm bore when you need heavy thrust that exceeds the 11045 N pull force of the 125 mm bore at 0.9 MPa, but do not require the massive 28274 N pull of the 200 mm version. The adjustable 30 mm window is highly beneficial for machine setups requiring precise end-position tuning over long travels.
Because this cylinder features a 900 mm stroke, the long unsupported rod is susceptible to deflection and side loads; an external guide is strongly recommended to prevent premature wear. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. It is dimensionally interchangeable per ISO 15552.
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 SAIJ160BX900-30 FAQ
At an operating pressure of 0.9 MPa, this 160 mm bore cylinder provides a push force of 18095 N and a pull force of 14074 N. The maximum allowable operating pressure is 1.0 MPa.
The rear adjuster screw allows you to shorten the 900 mm nominal stroke by up to 30 mm, creating a usable travel window of 870-900 mm. It functions as a travel stop for end-position tuning and is not a lock; live air pressure is required to hold the load.
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