Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-30
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 65mm 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
- Stroke65 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 SAIJ200BX65-30
The AirTAC SAIJ200X65-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to fine-tune the effective travel window from 35 to 65 mm during commissioning. As the largest standard bore in the SAIJ series, it provides immense thrust, delivering 15708 N of push force and 15080 N of pull force at a 0.5 MPa operating pressure. This makes it highly effective for moving heavy assemblies where exact end-positioning is critical.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads on its G3/4 air supply connections. The extruded aluminum barrel includes sensor grooves on both sides for mounting CMSE reed or DMSE electronic switches if needed later. The rear adjustment screw functions purely as a travel stop to set the retract end position, meaning it cannot hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-30 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 65 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 SAIJ200BX65-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×65 | 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 SAIJ200BX65-30 Is Used
Heavy Press Fine-Tuning
Apply 15708N of force to seat heavy components while using the 30mm adjustment range to dial in the exact contact depth without repositioning the entire fixture.
Product Size Changeovers
Quickly adapt a heavy-duty end-stop on a conveyor line by adjusting the travel window from 35 to 65mm to accommodate different product lengths on the fly.
Variable End-Stop Positioning
Set precise retract end-positions for heavy material ejection systems, relying on the SUS304 stainless rod to withstand harsh industrial environments.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX65-30 the Right Cylinder?
Selecting this 200 mm bore adjustable-stroke model is ideal when your application requires maximum pneumatic force but the exact end-of-stroke position varies by product or assembly tolerance. Instead of machining custom external stops or swapping out a fixed-stroke SAI cylinder, the SAIJ200X65-30 lets you dial in the travel within a 35 to 65 mm window. If your thrust requirements are lower, stepping down to a 160 mm bore yields 10053 N of push force at 0.5 MPa, which may offer a more compact footprint.
Because the stroke is relatively short at 65 mm, side-loading stress on the 40 mm diameter piston rod is minimal, though external guides are always recommended for heavy loads. Remember that the rear adjuster is a stop, not a locking mechanism; if you need to hold the load safely without continuous air pressure, consider the SAIL pneumatic lock or BSAI clamp-lock series instead. This cylinder uses the standard SAIJ mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2) and is dimensionally interchangeable per ISO 15552.
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 SAIJ200BX65-30 FAQ
The rear adjuster acts as a mechanical stop that trims the effective travel. For this model, you can shorten the 65 mm nominal stroke by up to 30 mm, giving an adjustable operating window of 35 to 65 mm. It is a travel stop, not a lock, so it cannot hold a load without live air pressure.
At a 0.5 MPa operating pressure, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. It can deliver up to 3204 kgf at its maximum 1.0 MPa operating pressure.
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