Airtac SAIJ200 Adjustable Cylinder SAIJ200AX160-20
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX160-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 160mm 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.
- BoreØ200 mm
- Stroke160 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX160-20
The AirTAC SAIJ200X160-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 160 mm stroke that can be fine-tuned backward by up to 20 mm, yielding a precise 140-160 mm usable travel window for product changeovers without swapping the physical barrel. Delivering immense thrust, it generates 15708 N of push force and 15080 N of pull force at 0.5 MPa operating pressure.
This heavy-duty actuator utilizes a robust 40 mm piston rod with an M36x2 thread, engineered to handle substantial side loads. The rod is constructed from SUS420J2 stainless steel (code A) for superior corrosion resistance. Pneumatic connections use a PT tapered G3/4 port, and the unit features 50 mm adjustable air cushions at both ends to decelerate the massive moving mass smoothly across its 30-500 mm/s speed range.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX160-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX160-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 160 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 (Ø200mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200AX160-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×160 | 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 SAIJ200 Adjustable Cylinder SAIJ200AX160-20 Is Used
Heavy Press Tonnage Setup
Dial in the exact 140-160 mm end-stop during heavy press commissioning to accommodate material thickness variations without machining new spacers.
Large Mold Changeover
Adjust the retract position by up to 20 mm on the fly when switching between large molds on a high-tonnage production line.
Heavy Material Alignment
Position and straighten thick steel plates using the 15708 N push force, fine-tuning the stroke to match varying workpiece dimensions.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX160-20 the Right Cylinder?
Select this 200 mm bore actuator when your machinery requires extreme force that smaller bores cannot provide, such as replacing a 160 mm bore cylinder that only yields 10053 N push at 0.5 MPa. The adjustable 140-160 mm travel window is essential for fine-tuning end positions during commissioning or accommodating slight product size variations on a line. Because the rear adjuster functions strictly as a mechanical stop and the air cushions only manage deceleration, neither can hold a load without live air pressure. For true fail-safe load holding, integrate an external pilot-operated check valve or select the SAIL or BSAI series instead.
When specifying a replacement, ensure you match the 160 mm stroke, 20 mm adjustment range, PT G3/4 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Although this specific SKU lacks a magnet, adding the -S option enables AirTAC CMSE reed and DMSE electronic sensors to fit directly into the dual-sided sensor grooves. For any application approaching or exceeding 300 mm of total travel, always incorporate an external guide to prevent rod binding.
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 SAIJ200 Adjustable Cylinder SAIJ200AX160-20 FAQ
At a 0.5 MPa operating pressure, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 160 mm nominal stroke by up to 20 mm. This creates a 140-160 mm usable travel window for fine-tuning end positions at commissioning without needing external stops.
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