Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 120mm 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
- Stroke120 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-30
The AirTAC SAIJ160X120-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 90 to 120 mm, allowing you to dial back the nominal 120 mm stroke by up to 30 mm during machine commissioning. Belonging to a high-force class, it generates 14074 N of push force at 0.7 MPa and uses a robust 40 mm carbon steel rod with an M36x2 thread.
This extruded aluminum barrel design includes variable air cushions at both ends and operates at speeds of 30-500 mm/s. The rear adjuster screw acts purely as a travel stop for end-position tuning; it does not lock the load. For position holding without live air pressure, a SAIL or BSAI series cylinder is required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 120 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 SAIJ160X120-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×120 | 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 SAIJ160X120-30 Is Used
Heavy Press Tonnage
Delivers up to 18095 N of push force at 0.9 MPa for heavy pressing operations, with the 30 mm adjuster allowing precise bottom-out tuning.
Product Size Changeovers
Quickly adapt the retract end-stop from 120 mm down to 90 mm on a packaging line to handle different product lengths without changing hardware.
Machine Setup Calibration
Fine-tune the end-of-stroke position during initial commissioning to perfectly time a 160 mm bore assembly mechanism against hard mechanical stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-30 the Right Cylinder?
Select this 160 mm bore when an application requires heavy thrust around 14074 N at 0.7 MPa, but a smaller bore like 125 mm (8590 N at 0.7 MPa) would be underpowered. The 30 mm adjustable range is ideal for product-size changeovers, letting you fine-tune the retract end position without swapping the cylinder or adding external stops. The PT (tapered) porting and 40 mm rod handle substantial loads, but because the stroke is 120 mm, side-load risks are moderate and an external guide should still be considered for optimal cylinder longevity.
As a true ISO 15552 cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders such as SMC and Festo equivalents. It uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. This specific configuration includes a standard carbon steel rod and no magnet (-S).
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 SAIJ160X120-30 FAQ
At a standard operating pressure of 0.7 MPa, this 160 mm bore cylinder provides 14074 N of push force and 9425 N of pull force. At the maximum operating pressure of 1.0 MPa, it can deliver up to 2050 kgf.
The rear adjuster screw allows you to shorten the effective travel from the nominal 120 mm down to a minimum of 90 mm. This creates a 90-120 mm usable window for fine-tuning the end position at commissioning, but the adjuster acts only as a stop and does not hold the load without live air.
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