Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-20 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 SAIJ160X120-20
The AirTAC SAIJ160X120-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 100-120 mm usable travel window. Built with an extruded aluminum barrel, it provides 10053 N of pull force at 0.5 MPa and utilizes a robust 40 mm carbon steel rod with an M36x2 thread to handle substantial side loads.
This model uses a PT tapered G3/4 port and includes variable air cushions at both ends to manage heavy deceleration. The rear adjuster acts purely as a mechanical stop for fine-tuning the retract position during commissioning, meaning it will not hold a load without live air pressure. For true load-holding without continuous air, a SAIL or BSAI variant is required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-20 |
|---|---|
| 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 SAIJ160X120-20
| 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 SAIJ160X120-20 Is Used
Heavy Press Fit Tuning
Dial in the exact 100-120 mm press depth for heavy bearings without machining custom spacers or changing the cylinder.
Product Size Changeover
Quickly adapt the retract end-stop on a packaging line when switching to a slightly shorter product variant.
Assembly Station Setup
Fine-tune the clamping position during initial machine commissioning to ensure perfect alignment before locking down the tooling.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X120-20 the Right Cylinder?
Choose this 160 mm bore when 10053 N of pull force at 0.5 MPa is required, or step down to the 125 mm bore (6136 N pull) if your payload is lighter. The adjustable 100-120 mm stroke is ideal for machine changeovers where the exact end-of-stroke position must be dialed in without swapping cylinders or adding external stops. When replacing an ISO 15552 cylinder, match the 120 mm stroke, 20 mm adjustment, PT G3/4 port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the stroke is under 300 mm, external side-load guides are less critical here than on longer strokes, though the 40 mm rod already provides high rigidity.
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 SAIJ160X120-20 FAQ
It provides 10053 N of push force and 9425 N of pull force at 0.5 MPa, reaching up to 18095 N of push at 0.9 MPa. The operational speed range for this 160 mm bore is 30-500 mm/s.
The rear adjuster screw lets you mechanically shorten the effective travel from the 120 mm nominal stroke down to 100 mm. It functions as a hard stop for end-position tuning and does not lock the load without air pressure.
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