Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 950mm 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
- Stroke950 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-30S
The AirTAC SAIJ160X950-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the travel by up to 30 mm. This creates a highly flexible 920-950 mm usable window, letting you fine-tune the retract end position during commissioning without swapping out the unit. It delivers substantial force, offering 14074N of thrust at 0.7 MPa and up to 18095N at 0.9 MPa.
This specific configuration features a SUS420J2 stainless steel rod (option A) for enhanced resistance against wear and corrosion in demanding environments. PT tapered ports are utilized for tight pneumatic sealing, and the integrated magnet (-S) enables precise position detection via CMSE reed or DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the variable air cushions at both ends work alongside the rear stopper to manage deceleration at the travel extremes.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 950 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 SAIJ160AX950-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×950 | 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 SAIJ160AX950-30S Is Used
Heavy Press Fine-Tuning
Dial in the exact 920-950 mm end position during machine commissioning to accommodate material thickness variations without replacing the actuator.
Product Changeover
Quickly adjust the retract stopper by up to 30 mm on automated assembly lines when switching between different product sizes and formats.
Large Assembly Forming
Leverage the 18095N push force at 0.9 MPa for heavy-duty forming and joining operations, utilizing the PT tapered ports for reliable high-flow pneumatic supply.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-30S the Right Cylinder?
Choose this 160 mm bore cylinder when an application requires heavy thrust—such as 14074N at 0.7 MPa—that exceeds the 5497N push capacity of a 100 mm bore unit. An adjustable-stroke model is preferred over a fixed SAI when a machine setup demands a variable end-stop for product changeovers, allowing operators to trim the 950 mm travel back by 30 mm without installing external physical stops. Because the 950 mm stroke is substantial, an external guide is strongly recommended to prevent excessive side-loading on the 40 mm rod and M36x2 thread.
For ISO 15552 interchangeability, match the 160 mm bore, 950 mm stroke, 30 mm adjustment range, PT port thread, and the -S magnet requirement. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Remember that the rear adjuster is a travel stop, not a locking mechanism; it will not hold a load without live air pressure. For secure load-holding without continuous air, consider an AirTAC SAIL or BSAI cylinder, or an external rod lock.
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 SAIJ160AX950-30S FAQ
At 0.7 MPa, this 160 mm bore cylinder provides 14074N of push force and 9425N of pull force. At 0.9 MPa, the push force increases to 18095N.
The rear adjuster acts as a mechanical stop that allows you to shorten the 950 mm nominal stroke by up to 30 mm, creating a 920-950 mm usable travel window. It sets the end position but does not lock the load without live air pressure.
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