Airtac SAIJ160 Adjustable Cylinder SAIJ160BX700-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX700-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 700mm 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
- Stroke700 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX700-20
The AirTAC SAIJ160X700-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust for heavy-duty automation. It yields 14074N of push force at 0.7 MPa and up to 18095N at 0.9 MPa. The integrated -20 adjustment code allows you to trim the nominal 700 mm stroke back by up to 20 mm, creating a precise 680-700 mm usable travel window for fine-tuning end positions at commissioning.
This bore features a robust 40 mm piston rod with an M36x2 thread, paired with a PT G3/4 port to handle high airflow. The rod is constructed from SUS304 stainless steel (code B) for superior corrosion resistance. Because the stroke reaches 700 mm, an external guide is strongly recommended to prevent excessive side-loading on the long unsupported rod. The rear adjuster functions purely as a travel stop to set deceleration, not as a lock to hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX700-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX700-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 700 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 SAIJ160BX700-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×700 | 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 SAIJ160BX700-20 Is Used
Heavy Press Tuning
Dial in the exact 680-700 mm end-of-stroke position during heavy press commissioning to accommodate material thickness variations without adding external mechanical stops.
Large Product Changeover
Adjust the rear stopper by up to 20 mm to quickly adapt a heavy conveyor diverter for different large-format product sizes on the production line.
Heavy Automation Setup
Fine-tune the retract position on large automated machinery during initial setup, leveraging the 40 mm SUS304 rod and M36x2 thread for robust actuation under high stress.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX700-20 the Right Cylinder?
Selecting this 160 mm bore cylinder is appropriate when your application requires pulling forces of 9425N at 0.5 MPa or push forces up to 18095N at 0.9 MPa. If your load demands less force, stepping down to a 125 mm bore provides 5734N of pull force at 0.5 MPa, whereas moving up to a 200 mm bore offers 15080N of pull force at 0.5 MPa. The adjustable stroke is chosen over a fixed SAI cylinder when you need variable end-stops for machine changeovers without physically swapping components.
When matching ISO 15552 interchangeability, verify the 160 mm bore, 700 mm stroke, -20 adjustment range, PT G3/4 port, and SUS304 rod material. Mounting choices are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets. Since this unit lacks a magnet (-S), it cannot host CMSE or DMSE sensors. For load-holding without continuous air pressure, utilize an external rod lock or explore the SAIL or BSAI cylinder variants.
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 SAIJ160BX700-20 FAQ
At 0.5 MPa, it provides 10053N of push force and 9425N of pull force. At 0.9 MPa, the push force reaches 18095N.
The rear adjuster acts as a stopper that lets you shorten the 700 mm nominal stroke by up to 20 mm, providing a usable travel window between 680 mm and 700 mm. It sets the travel end but does not lock the load without live air.
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