Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-100
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX120-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 120mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ160 mm
- Stroke120 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-100
By incorporating a 100mm adjustment mechanism on a 120mm nominal stroke, this SKU provides a usable travel window of 20 to 120mm. This wide adjustment band allows operators to dial in the exact retract position during commissioning without adding external stopper blocks. The standard configuration includes a SUS304 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads.
Unlike fixed-stroke SAI units, this adjustable model relies on a rear mechanical stopper to set the end-of-travel position, while the built-in variable air cushions handle deceleration. It is important to note that neither the adjuster nor the cushions function as a lock; the cylinder will not hold a load without live air pressure. For applications requiring true load-holding without continuous pneumatic pressure, AirTAC SAIL or BSAI clamp-lock cylinders are recommended. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if position feedback is later required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-100 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 120 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | — |
| Max (@1.0 MPa) | 1922 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×120 | 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 SAIJ160BX120-100 Is Used
Product Changeovers
Leverage the 20-120mm travel window to rapidly reconfigure machinery for different part lengths without physically swapping cylinders or adding external spacers.
Commissioning Tuning
Fine-tune the exact retract end-position during machine setup using the rear stopper, avoiding the need for custom machined stroke lengths.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX120-100 the Right Cylinder?
The 100mm adjustment range is ideal for machinery that undergoes frequent product changeovers, allowing the retract distance to be reconfigured on the fly rather than physically swapping the cylinder. Because the nominal stroke is 120mm, the effective travel can be precisely narrowed down to a 20mm minimum, offering immense flexibility in end-stop positioning.
When replacing an ISO 15552 cylinder, match the 160mm bore, 120mm nominal stroke, 100mm adjuster, PT port threads, and the SUS304 rod material. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Since the rod diameter is 40mm with an M36x2 thread, it handles substantial side loads, but any application approaching the maximum standard stroke limit should still utilize an external guide to prevent premature wear.
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 SAIJ160BX120-100 FAQ
The maximum operating pressure is 1.0 MPa.
The rear adjuster acts as a mechanical stop that trims the effective travel. With a 120mm nominal stroke and a 100mm adjustment range, the usable travel window is 20 to 120mm, allowing you to set the exact retract distance without changing the cylinder.
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Standard models are processed and dispatched in 3-5 business days.
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