Airtac SAIJ200 Adjustable Cylinder SAIJ200BX750-75
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX750-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 750mm 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
- Stroke750 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 SAIJ200BX750-75
The AirTAC SAIJ200X750-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down from 750 mm to a 675 mm minimum. Delivering a massive 21991 N of push force at 0.7 MPa, it handles heavy-duty positioning with precision. The extruded aluminum barrel includes sensor grooves on both sides, though this specific configuration omits the internal magnet, meaning electronic DMSE or reed CMSE switches cannot be mounted without a factory-installed magnet.
This unit is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The rear adjustment screw acts purely as a travel stop to set the end position during commissioning without needing external stops. It is not a locking device, so the load is not held without live air pressure; for true load-holding without pressure, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX750-75 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX750-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 750 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 SAIJ200BX750-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×750 | 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 SAIJ200BX750-75 Is Used
Heavy Machinery Positioning
Dial in the exact 675-750 mm end-stop on large fabrication presses without swapping out the entire cylinder body.
Product Line Changeover
Quickly adjust the stroke length during format size changes on heavy packaging or palletizing equipment.
Test Bench Actuation
Apply up to 21991 N of thrust at 0.7 MPa for structural load testing, using the rear screw to set precise travel limits.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX750-75 the Right Cylinder?
Choose this 200 mm bore when the 160 mm bore's 14074 N push force at 0.7 MPa is insufficient for your heavy-load application. The adjustable 675-750 mm window is ideal for machine setups requiring variable end-stops during product changeovers. Because the 750 mm stroke is quite long, the 40 mm rod diameter and M36x2 thread still require an external guide to prevent excessive side-loading and rod deflection.
When replacing an ISO 15552 cylinder, match the 200 mm bore, 750 mm nominal stroke, 75 mm adjustment range, PT port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that FB, CA, CB, and CR mounts are not available on this adjustable type. The operating speed for this large bore is capped at 30-500 mm/s.
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 SAIJ200BX750-75 FAQ
At 0.7 MPa operating pressure, this 200 mm bore cylinder provides 21991 N of push force and 15080 N of pull force. The maximum push force is 28274 N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 750 mm nominal stroke by up to 75 mm, creating a usable travel window of 675 to 750 mm. It only sets the end position and does not lock or hold the load without live air pressure.
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