Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-40 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 SAIJ160BX40-40
The AirTAC SAIJ160X40-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 0 to 40 mm, letting you dial back the full 40 mm nominal stroke to perfectly meet a specific end-position during commissioning. Delivering 10053 N of push force at 0.5 MPa, it handles heavy-duty positioning with ease.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-40 |
|---|---|
| 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 SAIJ160BX40-40
| 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 SAIJ160BX40-40 Is Used
Precision End-Stop Tuning
Dial in the exact retraction point from 0 to 40 mm during machine commissioning without adding external stops or shims.
Product Changeover
Quickly adjust the stroke window on a heavy-duty line when product sizes change, minimizing downtime between runs.
Corrosive Short-Stroke Pressing
Leverage the 10053 N force and SUS304 stainless steel rod for short-stroke pressing tasks in washdown or corrosive environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX40-40 the Right Cylinder?
Choose this 160 mm bore when you need substantial thrust—10053 N at 0.5 MPa—and a highly compact, variable end-stop for short-stroke tasks. If your application requires less force, stepping down to a 125 mm bore yields 6136 N at 0.5 MPa. The adjustable stroke is selected over a fixed SAI cylinder when you need on-the-fly fine-tuning during machine setup or product changeovers, avoiding the need to swap physical cylinders. Because this is a standard 40 mm stroke, no external side-load guide is required.
For a true ISO 15552 replacement match, ensure you specify the 160 mm bore, 40 mm stroke, 40 mm adjustment, PT port threads, and the SUS304 (B) rod material. Note that SAIJ supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. If your process requires the cylinder to hold its load safely without continuous air pressure, use an SAIL or BSAI series cylinder instead of relying on the rear stopper.
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 SAIJ160BX40-40 FAQ
At a 0.5 MPa operating pressure, the 160 mm bore generates 10053 N of push force and 9425 N of pull force. It can reach a maximum push force of 18095 N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to reduce the effective travel from the nominal 40 mm down to 0 mm. It sets the end position but does not lock or hold the load without live air pressure.
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