Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-75S 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 a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ200 mm
- Stroke275 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-75S
The AirTAC SAIJ200X275-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 200 to 275 mm. Built with a SUS420J2 stainless steel rod and a -S magnet for CMSE reed and DMSE electronic sensors, it delivers a substantial 15708 N push force at 0.5 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This massive 200 mm bore unit uses G3/4 PT tapered ports and achieves speeds of 30-500 mm/s. The rear adjuster acts purely as a travel stop for fine-tuning end positions during commissioning; it does not hold the load without live air pressure. For load-holding requirements without pneumatic pressure, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-75S |
|---|---|
| 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 | 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 SAIJ200AX275-75S
| 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 SAIJ200AX275-75S Is Used
Heavy Machinery Setup
Dial in the 200 to 275 mm travel window during heavy equipment commissioning to perfect final positioning without external stopper blocks.
Product Size Changeover
Quickly adapt a heavy-duty conveyor line to varying product sizes by adjusting the rear stopper up to 75 mm, avoiding cylinder swaps.
Large Fixture Clamping
Fine-tune the clamping reach on massive fixtures, using the 15708 N thrust at 0.5 MPa to secure large workpieces precisely.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX275-75S the Right Cylinder?
Choose this 200 mm bore cylinder when an application requires extreme thrust, such as 15708 N push at 0.5 MPa, alongside variable end-stop positioning. If you need less force, stepping down to a 160 mm bore yields 10053 N push at 0.5 MPa. The 75 mm adjustment range is ideal for product-size changeovers on a line, eliminating the need to swap cylinders or bolt on external stops.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 275 mm nominal stroke, 75 mm adjustment, PT G3/4 ports, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 275 mm stroke is relatively long for this large bore, an external guide is recommended to manage side loads and protect the 40 mm rod from deflection.
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 SAIJ200AX275-75S FAQ
It provides 15708 N push and 15080 N pull force at 0.5 MPa, and up to 3204 kgf at 1.0 MPa. The operating speed range for this 200 mm bore cylinder is 30-500 mm/s.
The rear adjuster allows you to shorten the effective travel from the 275 mm nominal stroke down to 200 mm. It functions as an end-position stop for tuning, but it is not a lock and will not hold the load without continuous air pressure.
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