Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-75S
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X900-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 900mm 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
- Stroke900 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 SAIJ200X900-75S
The AirTAC SAIJ200X900-75-S is a double-acting ISO 15552 profile cylinder featuring a rear mechanical stopper that allows you to fine-tune the stroke during commissioning. With a nominal travel of 900 mm and a 75 mm adjustment range, this SKU provides a usable end-position window of 825-900 mm, enabling rapid product changeovers without swapping the actuator or adding external stops.
This massive-bore actuator uses a robust 40 mm carbon steel rod with an M36x2 thread, engineered to handle high side loads, though a 900 mm stroke still requires an external guide to prevent rod binding. The extruded aluminum barrel includes sensor grooves on both sides, and because this is an -S variant, it carries a magnet ready for AirTAC CMSE reed and DMSE solid-state switches. The rear adjuster acts strictly as a travel stop to set the end position; it is not a lock, so the load will not hold without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 900 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 SAIJ200X900-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×900 | 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 SAIJ200X900-75S Is Used
Heavy Press Tuning
Dial in the exact 825-900 mm end position during heavy press commissioning to accommodate varying material thicknesses without changing the actuator.
Pallet Positioning
Adjust the retract stopper on the fly to handle different pallet depths on a high-capacity conveyor line, ensuring precise indexing.
Large Assembly Jigs
Set variable end-stops for multi-product assembly jigs, using the 75 mm trim window to quickly reconfigure the machinery for new frames.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X900-75S the Right Cylinder?
The adjustable stroke is chosen when exact end positions vary by product family, allowing the machine builder to dial in the 825-900 mm travel window on the fly instead of machining custom spacers. Because the stroke is 900 mm, you must use an external guide rail to support the load and prevent cantilevered side forces from damaging the rod seals.
When matching this for an ISO 15552 interchangeable replacement, specify a 200 mm bore, 900 mm stroke, 75 mm adjustment range, PT tapered port thread, and the -S magnet option. The mounting interface accepts the SAIJ subset of accessories: Basic, FA, LB, TC, FTC, TCM1, and TCM2. If your application requires the load to hold position without continuous compressed air, this cylinder will not suffice; you should instead evaluate the AirTAC SAIL pneumatic lock or BSAI clamp-lock variants.
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 SAIJ200X900-75S FAQ
At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 900 mm down to 825 mm, creating an 825-900 mm usable window. It only sets the end position and is not a lock, so the load will not hold without live air pressure.
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