Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 90mm 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
- Stroke90 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-40S
The AirTAC SAIJ160X90-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 10053N of push force at 0.5 MPa and features a 90mm nominal stroke that can be fine-tuned down by up to 40mm, creating a usable travel window between 50mm and 90mm. This specific configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a -S magnet for position sensing.
Because the adjuster acts purely as a mechanical stop at the retract end, it allows precise end-position tuning during commissioning without swapping out the cylinder. The extruded aluminum barrel incorporates sensor grooves on both sides, and the integrated adjustable air cushions absorb kinetic energy at both travel ends. Note that neither the rear stopper nor the cushions function as a lock; load-holding without live air requires an external rod lock or a related type like SAIL or BSAI.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 90 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 SAIJ160BX90-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×90 | 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 SAIJ160BX90-40S Is Used
Heavy Product Changeover
Quickly adjust the retract end-position from 90mm down to 50mm to accommodate different product lengths on a high-thrust assembly line without changing cylinders.
Press Fit Tuning
Dial in the exact bottoming position during commissioning for heavy press-fit operations, ensuring perfect insertion depth using the 40mm adjustment range.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod and 10053N force for robust actuation in washdown or chemically exposed testing environments requiring precise stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-40S the Right Cylinder?
Choose this 160mm bore when an application demands high thrust that exceeds the 6136N push force of the 125mm bore, but falls short of needing the 15708N capacity of the 200mm series. The adjustable 50-90mm travel window is ideal for product-size changeovers on a line, allowing operators to dial in the exact retract distance without adding external stops. For a fixed end-position, the standard SAI cylinder is sufficient, but the SAIJ variant provides crucial flexibility during machine setup.
When integrating this cylinder, note the PT tapered port threads and the reduced SAIJ mounting set, which includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options (omitting FB, CA, CB, and CR). The included -S magnet works seamlessly with AirTAC CMSE reed and DMSE electronic sensors. Although the 90mm stroke is relatively short, the substantial 40mm rod diameter and M36x2 rod thread provide excellent rigidity and side-load tolerance. Always confirm that the mechanical stop is not relied upon to hold a load unpowered.
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 SAIJ160BX90-40S FAQ
At 0.5 MPa operating pressure, this 160mm bore cylinder provides 10053N of push force and 9425N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear mechanical adjuster allows you to shorten the 90mm nominal stroke by up to 40mm, providing a usable travel window of 50mm to 90mm. It acts as a physical stop to set the end position and does not lock the load without live air pressure.
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