Airtac SAIJ200 Adjustable Cylinder SAIJ200X550-30
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X550-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 550mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ200 mm
- Stroke550 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200X550-30
The AirTAC SAIJ200X550-30 is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty applications. A rear-mounted adjusting screw allows you to trim the nominal 550 mm stroke back by up to 30 mm, creating a precise 520-550 mm usable travel window for exact end-position tuning during commissioning.
Because the adjuster acts purely as a mechanical stop on the retract end, it decelerates the travel but does not lock the load without live air pressure. This model features an extruded aluminum barrel with sensor grooves on both sides for CMSE reed and DMSE electronic switches, though no magnet is specified here. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR configurations.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X550-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X550-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 550 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | — |
| Max (@1.0 MPa) | 3075 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200X550-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×550 | 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 SAIJ200X550-30 Is Used
Heavy Press Tuning
Dial in the exact 520-550 mm travel window during heavy press commissioning to accommodate material thickness variations without replacing the cylinder.
Product Size Changeover
Quickly adjust the retract end-stop by up to 30 mm on a packaging line when switching between different product sizes, ensuring precise positioning.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X550-30 the Right Cylinder?
The 30 mm rear adjuster is ideal for product changeovers, letting you dial in the exact 520-550 mm travel window without swapping the cylinder or bolting on external stops.
For ISO 15552 replacement matching, verify the 200 mm bore, 550 mm nominal stroke, 30 mm adjustment range, G3/4 PT port, and the required mounting accessory. Given the 550 mm stroke, the 40 mm rod thread handles significant side load, but an external guide rail is still strongly recommended to prevent rod binding over long unsupported travel. Remember that the rear stopper and air cushions only set the travel end; for true load-holding without live air, select an AirTAC SAIL pneumatic lock or BSAI clamp-lock 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 SAIJ200X550-30 FAQ
At 0.9 MPa, the push force increases to 28274 N.
The rear adjusting screw acts as a mechanical stop that lets you shorten the 550 mm nominal stroke by up to 30 mm, creating a 520-550 mm usable travel window. It sets the end position but does not hold the load without live air pressure.
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