Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 290mm 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
- Stroke290 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 SAIJ200BX290-40
The AirTAC SAIJ200X290-40 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers massive thrust, pushing 15708N and pulling 15080N at 0.5 MPa, making it suited for heavy-duty operations. By turning the rear screw, you can trim the nominal 290mm stroke back by up to 40mm, yielding a precise 250-290mm usable travel window without swapping out the hardware.
This unit is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to drop in CMSE or DMSE switches if a magnet is added later. It supports a standard speed range of 30-500mm/s and relies on adjustable air cushions at both ends to decelerate the heavy 40mm rod smoothly.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 290 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 SAIJ200BX290-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×290 | 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 SAIJ200BX290-40 Is Used
Heavy Press Fine-Tuning
Dial in the exact 250-290mm end position during heavy pressing tasks to accommodate material thickness variations without external stops.
Product Line Changeover
Quickly adjust the stroke window on automated lines when switching between different large-scale product sizes.
Heavy Load Positioning
Position heavy components accurately using the 15708N push force, relying on the rear screw to set the precise retraction limit.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX290-40 the Right Cylinder?
Choose this 200mm bore when you need extreme force that smaller neighbors cannot provide, such as replacing a 160mm bore cylinder that maxes out at 10053N push force at 0.5 MPa. The adjustable stroke is highly beneficial during machine setup or product changeover, letting you dial in the exact end position mechanically rather than adding external stops. For any application using a 290mm stroke, ensure an external guide is used to support the load, as even the robust 40mm rod and M36x2 thread cannot compensate for excessive side loads on long extensions.
When ordering, confirm the 200mm bore, 290mm stroke, 40mm adjustment range, PT port threads, and standard mounting options. The SAIJ series supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true pneumatic locking, consider the SAIL or BSAI series.
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 SAIJ200BX290-40 FAQ
At 0.5 MPa operating pressure, this 200mm bore cylinder provides a push force of 15708N and a pull force of 15080N. It can reach a maximum push force of 28274N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective travel from the nominal 290mm down to 250mm. This creates a 250-290mm adjustable window for fine-tuning the end position at commissioning, but it acts as a stop, not a lock, and cannot hold the load without continuous air pressure.
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