Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 40mm 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
- Stroke40 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-20
The AirTAC SAIJ160X40-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 40mm stroke that can be dialed back by up to 20mm, creating a precise 20-40mm usable travel window for commissioning without external stops. Delivering a robust 10053N push force at 0.5MPa, it handles heavy positioning tasks with ease.
This SKU features a SUS304 stainless steel rod for superior corrosion resistance and includes a PT tapered port thread. The extruded aluminum barrel includes dual sensor grooves, compatible with AirTAC CMSE reed and DMSE solid-state sensors. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB and CA brackets.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 40 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 SAIJ160BX40-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×40 | 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 SAIJ160BX40-20 Is Used
Heavy Press Tuning
Dial in the exact 20-40mm contact depth for heavy pressing operations, allowing rapid product changeover without physically swapping cylinders.
Machine Setup
Fine-tune the end-stop position during initial machine commissioning, eliminating the need to bolt on external stops or shims.
Variable End Stops
Adjust the retract position on the fly for production lines running multiple product sizes, relying on the robust 10053N thrust.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-20 the Right Cylinder?
Choose this 160mm bore when you need substantial thrust, such as the 10053N push force at 0.5MPa, but require finer end-position control than a fixed SAI cylinder offers. If your application needs less force, stepping down to a 125mm bore yields 6136N. The rear adjuster acts strictly as a travel stop to fine-tune the 20-40mm window during changeovers; it does not hold the load without live air. For load-holding without pressure, consider an AirTAC SAIL or BSAI cylinder.
When replacing an ISO 15552 cylinder, match the 160mm bore, 40mm stroke, 20mm adjustment, PT port, and SUS304 rod. Because the stroke is short, side-load risks are minimal, but always ensure the rod thread (M36x2) is properly aligned. The dual cushion pads provide 50mm of variable deceleration at both ends.
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 SAIJ160BX40-20 FAQ
At 0.5MPa operating pressure, this 160mm bore cylinder generates 10053N of push force and 9425N of pull force. It can reach up to 18095N push force at 0.9MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 20mm. This creates a usable travel window between 20mm and 40mm, enabling fine-tuning of the end position without replacing the cylinder.
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