Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 150mm 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
- Stroke150 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-40
The AirTAC SAIJ200X150-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers massive thrust, pushing 15708 N at 0.5 MPa and 21991 N at 0.7 MPa, making it suited for heavy-duty positioning. The built-in rear stopper provides a usable travel window from 110 to 150 mm, enabling exact end-position tuning during commissioning without swapping out the unit.
This variant features a SUS420J2 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting. While the rear adjuster allows you to dial back the stroke by up to 40 mm, it functions purely as a travel stop and does not hold the load without continuous live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 150 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 SAIJ200AX150-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×150 | 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 SAIJ200AX150-40 Is Used
Heavy Press Tuning
Fine-tune the exact bottom-out position of a high-force press during initial commissioning, trimming the stroke by up to 40 mm to perfect the crush distance without adding external stopper blocks.
Product Size Changeover
Adjust the end-of-stroke position on the fly when a production line switches to a different product thickness, using the rear screw to shift the 150 mm travel window down to 110 mm instantly.
Heavy Assembly Stations
Drive large industrial assembly mechanisms where the 15708 N push force at 0.5 MPa is required, relying on the robust 40 mm rod to handle significant inline stresses and tooling weight.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX150-40 the Right Cylinder?
Select this 200 mm bore cylinder when an application demands high force within a variable 110 to 150 mm travel window. If you need less force, stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa, whereas moving up is impossible as this is the largest standard size. Choose this adjustable-stroke model over a fixed SAI cylinder when you need precise end-stop tuning during machine setup or product changeovers. Because the nominal stroke is 150 mm, you avoid the side-load risks of long unsupported strokes, though the heavy 40 mm rod and M36x2 thread handle substantial loads natively.
For ISO 15552 interchangeability, match the 200 mm bore, 150 mm stroke, 40 mm adjustment range, G3/4 port size, and your required mounting interface. This SAIJ series supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, intentionally omitting FB, CA, CB, and CR. Remember that the rear adjuster and air cushions decelerate the piston but do not act as a lock; for true load-holding without live air, consider the SAIL or BSAI series instead.
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 SAIJ200AX150-40 FAQ
This 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N at 0.5 MPa. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster screw lets you shorten the 150 mm nominal stroke by up to 40 mm, creating a usable travel window of 110 to 150 mm. It acts as a mechanical stop for end-position tuning and is not a load-holding lock.
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