Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-100S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 280mm 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
- Stroke280 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-100S
The AirTAC SAIJ160X280-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear mechanical stopper, allowing you to dial back the nominal 280 mm stroke by up to 100 mm. This yields a highly flexible usable travel window of 180 to 280 mm, which is ideal for accommodating multiple product formats on a single piece of machinery without physically swapping the actuator. Built with a SUS304 stainless steel rod, it handles aggressive washdown environments while delivering a robust 10053 N pull force at 0.5 MPa.
This bore size features a G3/4 PT port and a 50 mm air cushion at both ends to manage heavy kinetic energy. The extruded aluminum barrel includes sensor grooves on both sides, and because this SKU includes a magnet (-S), it directly supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise end-of-travel detection. The rear adjuster acts purely as a travel stop to set deceleration limits, so it will not hold a load if air pressure is lost.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-100S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 280 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 SAIJ160BX280-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×280 | 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 SAIJ160BX280-100S Is Used
Variable Product Changeover
Adjust the travel window from 180 to 280 mm on packaging lines to handle different carton sizes without physically replacing the cylinder or repositioning hard stops.
Commissioning End-Tuning
Dial in the exact retraction end-point during machine setup to perfect timing sequences, avoiding the need to machine custom spacer blocks.
Heavy-Duty Pressing
Leverage the 14074 N push force at 0.7 MPa for heavy assembly tasks while using the rear screw to limit the press depth for delicate components.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX280-100S the Right Cylinder?
Choose this 160 mm bore when an application requires substantial thrust—stepping up from a 125 mm bore yields 6136 N push at 0.5 MPa, while stepping down to a 200 mm bore provides 15708 N. An adjustable stroke is preferred over a fixed SAI cylinder when you need in-line commissioning flexibility to fine-tune end positions during machine setup or product changeover. The rear screw allows you to trim the travel distance precisely without adding external stops.
Because the 280 mm stroke is substantial, the 40 mm rod diameter and M36x2 thread provide rigidity, but you should still use an external guide to prevent excessive side loading on the piston. For load-holding requirements without live air pressure, this actuator cannot lock in place; you must integrate an external pilot-operated check valve or select a related SAIL or BSAI series cylinder. This unit mounts via Basic, FA, LB, TC, FTC, TCM1, or TCM2 interfaces, 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 SAIJ160BX280-100S 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 0.7 MPa, the push force increases to 14074 N.
The rear adjusting screw acts as a mechanical stop that can shorten the 280 mm nominal stroke by up to 100 mm, providing an effective travel range of 180 to 280 mm. It only sets the travel end and deceleration point; it does not lock the load without continuous air pressure.
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