Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30 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 SAIJ160BX40-30
The AirTAC SAIJ160X40-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 9425N pull force at 0.5 MPa. Built with a SUS304 stainless steel rod, it provides excellent corrosion resistance for harsh environments. The integrated PT tapered port ensures a reliable, leak-free pneumatic connection.
This adjustable-stroke model features a 40mm nominal stroke that can be fine-tuned down by up to 30mm, creating a precise 10-40mm usable travel window. The rear adjuster acts purely as a mechanical stop for end-position tuning and does not hold the load without live air pressure. For load-holding applications without continuous air, consider the related SAIL or BSAI series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30 |
|---|---|
| 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 SAIJ160BX40-30
| 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 SAIJ160BX40-30 Is Used
Precision End-Stop Tuning
Dial in the exact 10-40mm travel window during machine commissioning to achieve perfect contact positioning without swapping out the entire cylinder.
Product Changeover
Quickly adjust the retract end-position on automated lines when product sizes change, using the rear stopper to adapt the stroke on the fly.
High-Force Positioning
Leverage the massive 9425N pull force to move and position heavy assemblies while retaining the ability to trim the stroke up to 30mm.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-30 the Right Cylinder?
Select this 160mm bore cylinder when your application demands high thrust combined with on-the-fly stroke adjustments. If you need slightly less force, stepping down to a 125mm bore yields 5734N of pull force at 0.5 MPa. Choose the SAIJ adjustable type over a fixed SAI when you need to dial in the exact end-stop during machine commissioning or product changeover without adding external stops. To match this ISO 15552 replacement exactly, verify the 160mm bore, 40mm stroke, 30mm adjustment, PT port, and the SUS304 rod material.
Because this is a large-bore cylinder with a short 40mm stroke, side-loading is minimal, but always ensure proper mounting alignment using the available SAIJ mounting set, which includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options. Note that the FB, CA, CB, and CR mounts are omitted from this adjustable series.
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 SAIJ160BX40-30 FAQ
At an operating pressure of 0.5 MPa, this 160mm bore cylinder generates 10053N of push force and 9425N of pull force. The maximum operating pressure is 1.0 MPa.
The rear adjuster screw lets you shorten the 40mm nominal stroke by up to 30mm, providing a usable travel window of 10 to 40mm. This stopper only sets the end position; it does not lock or hold the load without live air pressure.
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