Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 80mm 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
- Stroke80 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 SAIJ200BX80-75S
The AirTAC SAIJ200X80-75-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty tasks, delivering a substantial push force of 15708 N at 0.5 MPa. Equipped with a SUS304 stainless steel rod, it provides superior corrosion resistance and handles high side-load stresses effectively. The integrated magnet enables precise position detection using AirTAC CMSE reed or DMSE electronic solid-state sensors.
This model features a rear mechanical adjuster that allows you to fine-tune the stroke end-position, creating a highly versatile usable travel window from 5 to 80 mm. Rather than fabricating external stops during machine setup or product changeover, operators can simply dial in the exact retract position required. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting, and the unit omits FB, CA, CB, and CR brackets in favor of a focused mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 80 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 SAIJ200BX80-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×80 | 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 SAIJ200BX80-75S Is Used
Heavy-Duty Pressing
Dial in the exact 5-80 mm travel needed for assembling large components, ensuring precise pressing force without repositioning the entire cylinder setup.
Product Changeover
Quickly adjust the retract end-stop on a production line to accommodate different product sizes, minimizing downtime between manufacturing runs.
Machine Setup Tuning
Fine-tune the end-of-stroke position during initial commissioning to achieve perfect mechanical timing without machining custom external spacers.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-75S the Right Cylinder?
Choose this 200 mm bore if your application demands extreme thrust, such as 15708 N of push force at 0.5 MPa or up to 21991 N at 0.7 MPa. If your force requirements are lower, stepping down to a 160 mm bore yields 10053 N at 0.5 MPa, which might optimize air consumption. The adjustable stroke mechanism is ideal for commissioning fine-tunes and variable end-stops, offering flexibility that a fixed-stroke SAI cylinder cannot match.
Remember that the rear adjuster functions purely as a travel stop to set the end position, not as a locking device. It cannot hold a load safely without live air pressure. For true fail-safe load holding, consider the SAIL air-released lock or the BSAI clamp-lock cylinder. Furthermore, while the 40 mm SUS304 rod is robust, an 80 mm stroke is relatively short for this bore size, so side-load risks are minimal, but external guides should still be evaluated for heavy lateral loads. The PT tapered ports and G3/4 thread size match the standard 200 mm bore specifications.
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 SAIJ200BX80-75S FAQ
At an operating pressure of 0.5 MPa, this 200 mm bore cylinder generates a push force of 15708 N and a pull force of 15080 N. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster acts as a mechanical stop that lets you shorten the nominal 80 mm stroke by up to 75 mm. This provides a usable travel window ranging from 5 mm to 80 mm, allowing precise end-position tuning without replacing the cylinder.
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