Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-20
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 300mm 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
- Stroke300 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 SAIJ200BX300-20
The AirTAC SAIJ200X300-20 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications, delivering a substantial 15708 N of push force at 0.5 MPa. It features a rear-mounted stroke adjuster that creates a 280-300 mm usable travel window, allowing precise end-position tuning without swapping components. The extruded aluminum barrel maintains standard dimensions while housing dual sensor grooves.
This variant utilizes a SUS304 stainless steel rod (code B) for superior corrosion resistance and includes PT tapered port threads. Operating at speeds of 30-500 mm/s, it relies on adjustable air cushions at both ends to decelerate massive loads smoothly. The rear stopper sets the retraction limit but requires live air pressure to maintain the load position.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 300 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 SAIJ200BX300-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×300 | 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 SAIJ200BX300-20 Is Used
Heavy Press Tuning
Dial in the exact 280-300 mm end-stop during heavy press commissioning to accommodate material thickness variations without machining new spacers.
Product Changeover
Rapidly adjust the retraction point on automated assembly lines when switching between large product sizes, minimizing machine downtime.
Large Load Positioning
Move massive 15708 N payloads into a precise retracted position, relying on the rear stopper to set the datum while air cushions absorb kinetic energy.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX300-20 the Right Cylinder?
Selecting this 200 mm bore cylinder provides 15708 N push and 15080 N pull force at 0.5 MPa; stepping down to a 160 mm bore drops the push force to 10053 N. The 20 mm adjustment range is ideal for fine-tuning machine setups during product changeovers, whereas a fixed-stroke SAI cylinder lacks this commissioning flexibility. Because the stroke is 300 mm, the M36x2 rod should be paired with an external guide to prevent excessive side-loading on the piston.
For a true ISO 15552 replacement match, verify the 200 mm bore, 300 mm stroke, 20 mm adjustment, PT port threads, and the SUS304 rod material. Note that SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options. If the application requires holding the load without continuous air pressure, use an external rod lock or pilot-operated check valve, as the rear adjuster is strictly a travel stop.
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 SAIJ200BX300-20 FAQ
At 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 delivers up to 3204 kgf of push force.
The rear adjuster acts as a mechanical stopper, allowing you to trim the effective stroke back from the 300 mm nominal length down to 280 mm. This creates a 280-300 mm travel window for fine-tuning the end position at commissioning, but it does not lock the load without live air pressure.
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