Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-100
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 850mm 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
- Stroke850 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-100
The AirTAC SAIJ160X850-100 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust for heavy-duty automation. It yields 14074N of push force at 0.7 MPa and up to 18095N at 0.9 MPa. The integrated -100 adjustment code establishes a usable travel window of 750-850 mm, enabling precise end-position tuning without swapping the actuator.
This variant features a SUS304 stainless steel rod (code B) for superior corrosion resistance and utilizes PT tapered port threads with a G3/4 connection. The extruded aluminum barrel includes sensor grooves on both sides, and while this specific SKU lacks a magnet, the design supports AirTAC CMSE reed and DMSE electronic sensors when specified.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-100 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 850 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 SAIJ160BX850-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×850 | 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 SAIJ160BX850-100 Is Used
Heavy Press Tuning
Dial in the exact bottoming position on heavy stamping presses within the 750-850 mm window to accommodate varying material thicknesses.
Product Changeovers
Rapidly adjust the retract end-stop during packaging line format changes without physically replacing the cylinder or adding external stop blocks.
Large Fixture Alignment
Fine-tune the clamping travel on large welding fixtures, ensuring precise alignment of heavy structural components.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-100 the Right Cylinder?
Select this 160 mm bore actuator when an application demands high force and variable end-stops, such as pressing or heavy clamping stations requiring exact positional limits. If the 18095N output at 0.9 MPa exceeds requirements, stepping down to a 125 mm bore provides 11045N of push force while saving space. Conversely, if loads surpass 18095N, a 200 mm bore offers 28274N. The rear screw acts strictly as a travel stop for deceleration and positioning; it does not hold the load without live air. For dead-load holding, utilize an external pilot-operated check valve or select a BSAI clamp-lock cylinder.
Because the 850 mm stroke is substantial, the 40 mm diameter rod and M36x2 thread require external guiding to prevent excessive side-loading and binding. For ISO 15552 interchangeability, match the 160 mm bore, 850 mm stroke, -100 adjustment, PT G3/4 port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that SAIJ omits FB, CA, CB, and CR mounts.
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 SAIJ160BX850-100 FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder generates a push force of 18095N and a pull force of 9425N. At 0.5 MPa, the push force is 10053N.
The rear adjuster screw allows you to trim the effective travel back by up to 100 mm from the nominal 850 mm stroke. This creates a usable travel window of 750-850 mm for fine-tuning the retract end position at commissioning.
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