Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-10
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-10 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 SAIJ160BX850-10
The AirTAC SAIJ160X850-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a robust 18095N push force at 0.9 MPa and features a 10mm adjustment range, yielding a precise 840-850mm usable travel window for commissioning flexibility. The extruded aluminum barrel includes sensor grooves on both sides, and this specific configuration utilizes a SUS304 stainless steel rod for superior corrosion resistance.
The rear stopper mechanism allows technicians to fine-tune the retract end position during machine setup or product changeovers without swapping out the entire cylinder. Operating at speeds of 30-500mm/s, it incorporates variable air cushions at both ends to decelerate heavy loads smoothly. This adjustable stopper is designed solely for end-position setting and deceleration, meaning it will not hold a load safely without continuous live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-10 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-10 |
|---|---|
| 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 SAIJ160BX850-10
| 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 SAIJ160BX850-10 Is Used
Heavy Press Tuning
Dial in the exact 840-850mm end-stop position on large forming presses during initial commissioning to achieve perfect material contact without external shims.
Product Size Changeover
Quickly adjust the retract distance by up to 10mm on automated assembly lines when switching between slightly different product dimensions.
Long-Stroke Alignment
Utilize the robust 40mm SUS304 rod and fine rear adjustment to perfectly seat heavy structural components over an 850mm travel distance.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX850-10 the Right Cylinder?
Selecting this 160mm bore cylinder is appropriate when an application demands extremely high thrust, delivering 14074N push force at 0.7 MPa, which far exceeds the 982N output of a 50mm bore. If an installation requires slightly less force, stepping down to a 125mm bore provides 8590N at 0.7 MPa. The 10mm adjustment window is ideal for applications needing micro-adjustments to the end-stop without adding external shims. For load-holding requirements without live air pressure, a standard SAIJ is insufficient; engineers should instead specify an AirTAC SAIL or BSAI locking cylinder.
Because the 850mm stroke is substantial, the 40mm diameter SUS304 rod and M36x2 thread provide necessary rigidity, but an external guide is strongly recommended to prevent excessive side-loading on the piston. When matching this cylinder for an ISO 15552 replacement, verify the 850mm stroke, 10mm adjustment, PT tapered port thread, and the standard SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that this configuration does not include a magnet, so position sensing via CMSE or DMSE switches is not supported without a different model variant.
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 SAIJ160BX850-10 FAQ
At an operating pressure of 0.9 MPa, this 160mm bore cylinder generates a push force of 18095N and a pull force of 9425N. Its maximum theoretical force at 1.0 MPa is 2050 kgf.
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective stroke by up to 10mm, creating an 840-850mm travel window. It only sets the end position and deceleration; it does not lock the load without live air pressure.
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