Airtac SAIJ200 Adjustable Cylinder SAIJ200X275-40
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X275-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 275mm 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
- Stroke275 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 SAIJ200X275-40
The AirTAC SAIJ200X275-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the retract position without adding external stops. Its 275 mm nominal stroke paired with a 40 mm adjustment screw yields a usable travel window of 235-275 mm, giving you precise control over the end-of-stroke position during commissioning.
The extruded aluminum barrel features sensor grooves on both sides for direct mounting of CMSE or DMSE switches. The robust 40 mm carbon steel piston rod and M36x2 thread provide excellent rigidity, though at 275 mm of travel, maintaining external load guidance is recommended to manage side loads. The rear adjuster functions purely as a mechanical stop to set the travel end and does not lock the load without live air pressure; for fail-safe holding, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X275-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X275-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 275 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 SAIJ200X275-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×275 | 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 SAIJ200X275-40 Is Used
Heavy-Duty Press Tuning
Dial in the exact 235 to 275 mm pressing position during machine commissioning without machining new spacer plates or swapping the cylinder.
Product Changeover
Quickly adapt the retract end-stop for different product sizes on a high-force assembly line, utilizing the 40 mm adjustment window to handle variants.
Large Fixture Alignment
Precisely set the end-of-stroke position for large machining fixtures, relying on the 40 mm carbon steel rod to handle substantial loads with external guidance.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X275-40 the Right Cylinder?
Conversely, if you need to push heavier loads, you are already at the top of this series' standard range.
An adjustable-stroke cylinder is selected over a fixed-stroke SAI model when machine setups frequently change or when manufacturing tolerances require a variable end-stop rather than fabricating custom spacer blocks. When replacing an ISO 15552 cylinder, match the 200 mm bore, 275 mm stroke, 40 mm adjustment range, PT tapered port thread, and the Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting interface. Note that this unit does not include a magnet for sensors.
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 SAIJ200X275-40 FAQ
At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster screw allows you to shorten the nominal 275 mm stroke by up to 40 mm, providing an effective travel range of 235 to 275 mm. This stopper sets the travel end but does not hold the load without continuous air pressure.
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