Airtac SAIJ200 Adjustable Cylinder SAIJ200X65-40S
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X65-40S 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- 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 SAIJ200X65-40S
The AirTAC SAIJ200X65-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear-mounted stroke adjuster. By turning the rear screw, you can trim the nominal 65mm stroke back by up to 40mm, creating a precise 25-65mm usable travel window for product changeovers. This eliminates the need to physically swap the cylinder or bolt on external stops during machine setup.
The 40mm diameter carbon steel rod and M36x2 thread provide a robust interface that handles high side loads, though long unsupported strokes still require an external guide. The extruded aluminum barrel features sensor grooves on both sides, and the included -S magnet integrates seamlessly with AirTAC CMSE reed and DMSE electronic switches for exact position verification. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X65-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X65-40S |
|---|---|
| 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 | 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 SAIJ200X65-40S
| 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 SAIJ200X65-40S Is Used
Press Fit Tuning
Dial in the exact 25-65mm insertion depth for heavy press fits during product changeovers without swapping out the entire actuator.
Variable End Stops
Adjust the rear stopper on the fly to accommodate different material thicknesses or package sizes on a single high-force production line.
Heavy Assembly Setup
Fine-tune the end-of-stroke position during initial machine commissioning to prevent over-travel damage on heavy-duty assembly equipment.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X65-40S the Right Cylinder?
Choose this 200mm bore variant when an application demands maximum push force (up to 3204 kgf at 1.0 MPa) within a compact 65mm stroke that requires fine-tuning. If you need less force, stepping down to a 160mm bore yields 10053N at 0.5 MPa. The adjustable rear stopper is ideal for dialing in the exact end position at commissioning without changing the cylinder. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air. For true load-holding without pressure, use an SAIL or BSAI cylinder, or an external rod lock.
As a dimensionally interchangeable ISO 15552 cylinder, it matches standard footprint dimensions. To replace a unit, match the 200mm bore, 65mm stroke, 40mm adjustment, PT (tapered) G3/4 port, and the -S magnet option. Because the stroke is under 300mm, side-load stress is manageable, but always ensure the load is guided to prevent rod binding.
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 SAIJ200X65-40S FAQ
At its maximum 1.0 MPa pressure, it delivers up to 3204 kgf.
The rear adjuster screw allows you to shorten the 65mm nominal stroke by up to 40mm. This creates a usable travel window of 25-65mm, enabling precise end-position tuning without external stops or cylinder replacement.
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