Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 800mm 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
- Stroke800 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-50S
The AirTAC SAIJ160X800-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the retract end-position by up to 50 mm. This yields a usable travel window of 750-800 mm, enabling rapid product changeovers without swapping the cylinder or adding external stops. It delivers robust thrust, generating 14074 N push force at 0.7 MPa and up to 18095 N at 0.9 MPa.
Built with a SUS304 stainless steel rod (option B) and PT tapered ports, this 160 mm bore unit integrates variable air cushions at both ends to decelerate heavy loads. The extruded aluminum barrel features sensor grooves on both sides, and the included magnet (-S) supports CMSE reed and DMSE solid-state switches for precise position detection. It is important to note the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 800 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 SAIJ160BX800-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×800 | 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 SAIJ160BX800-50S Is Used
Variable Pressing Stops
Dial in the exact 750-800 mm retract position for heavy pressing tasks, accommodating different material thicknesses without changing the cylinder setup.
Assembly Line Changeover
Quickly adjust the end-stop during product family transitions on a high-force assembly line, saving downtime on mechanical reconfiguration.
Heavy-Duty Alignment
Fine-tune the stroke end-position during large fixture alignment, using the 50 mm adjustment window to perfectly seat heavy components.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX800-50S the Right Cylinder?
Choose this 160 mm bore cylinder when an application demands high force combined with variable end-stops, such as pressing or heavy clamping tasks that require exact positioning at commissioning. If you need less thrust, stepping down to a 125 mm bore yields 8590 N push force at 0.5 MPa, while stepping up to a 200 mm bore provides 15708 N at the same pressure. Because the nominal stroke is 800 mm, an external guide rail is strongly recommended to prevent excessive side-loading on the extended piston rod.
The adjustable rear screw is strictly a mechanical stop for end-position tuning, not a lock; for true load-holding without live air, select the SAIL pneumatic lock or BSAI clamp-lock series. When matching this ISO 15552 cylinder for an interchangeability upgrade, confirm the 160 mm bore, 800 mm stroke, 50 mm adjustment range, PT port thread, and the -S magnet requirement. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR options.
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 SAIJ160BX800-50S FAQ
This 160 mm bore cylinder provides a push force of 14074 N at 0.7 MPa and 18095 N at 0.9 MPa. The pull force at 0.7 MPa is 9425 N.
The rear adjuster screw lets you shorten the effective stroke by up to 50 mm from the nominal 800 mm, creating a 750-800 mm travel window. It functions as a mechanical stop for end-position tuning and requires live air to hold the load.
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