Airtac SAIJ200 Adjustable Cylinder SAIJ200AX120-10
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX120-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm 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.
- BoreØ200 mm
- Stroke120 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX120-10
The AirTAC SAIJ200X120-10 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty tasks, delivering a substantial 21991N of push force at 0.7 MPa. It features an extruded aluminum barrel with dual sensor grooves and a robust 40mm piston rod. This configuration utilizes a SUS420J2 stainless steel rod (code A) and PT tapered port threads, ensuring high durability in demanding environments.
Equipped with a rear stroke adjuster, this model allows you to fine-tune the end-of-travel position without adding external stops. The 10mm adjustment screw provides a usable travel window of 110-120mm out of the 120mm nominal stroke. Operating at speeds of 30-500mm/s, it includes adjustable air cushions at both ends to decelerate heavy loads smoothly.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX120-10 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX120-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 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 (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 SAIJ200AX120-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | 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 SAIJ200 Adjustable Cylinder SAIJ200AX120-10 Is Used
Heavy Press Tuning
Dial in the exact 110-120mm end position during press commissioning to accommodate material thickness variations without swapping cylinders.
Product Changeover
Quickly adjust the rear stop by up to 10mm on a production line when switching between similar sized product variants.
Large Load Positioning
Move heavy assemblies with 21991N push force while relying on the 40mm rod and air cushions to smoothly decelerate the mass.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX120-10 the Right Cylinder?
Select this 200mm bore cylinder when an application demands extreme thrust, such as 21991N at 0.7 MPa, alongside precise positioning. If your process requires less force, stepping down to a 160mm bore yields 14074N at 0.7 MPa, which may better suit lighter loads. The adjustable 110-120mm travel window is ideal for machine setups requiring exact end-stop tuning during commissioning, offering flexibility a fixed-stroke SAI cylinder cannot match. For any stroke over 300mm, external guides are recommended to manage side loads, though this 120mm stroke is well within safe rod limits.
When replacing an ISO 15552 cylinder, match the 200mm bore, 120mm stroke, 10mm adjustment, PT G3/4 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pressure, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ200AX120-10 FAQ
At an operating pressure of 0.7 MPa, this 200mm bore cylinder provides 21991N of push force and 15080N of pull force. At 0.5 MPa, the push force is 15708N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke by up to 10mm. This creates a usable travel window of 110-120mm from the 120mm nominal stroke, enabling fine-tuning at commissioning without external stops.
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