Airtac SAIJ200 Adjustable Cylinder SAIJ200BX90-40
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX90-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 90mm 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
- Stroke90 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 SAIJ200BX90-40
The AirTAC SAIJ200X90-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 90 mm travel by up to 40 mm. This creates a precise 50-90 mm usable window, ideal for fine-tuning end positions at commissioning without adding external stops. It delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa.
This unit features a SUS304 stainless steel rod for superior corrosion resistance and a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if you add a magnet later. The rear adjuster acts purely as a travel stop to set deceleration endpoints, not as a lock to hold loads without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX90-40 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX90-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 90 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 SAIJ200BX90-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×90 | 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 SAIJ200BX90-40 Is Used
Heavy Press Tuning
Dial in the exact 50-90 mm pressing distance during setup to accommodate varying material thicknesses without changing the cylinder.
Product Changeover
Quickly adjust the retract end-stop on a production line when switching between different sized heavy industrial components.
Bending End-Stop
Set a precise deformation limit for large metal bending operations, using the rear screw to fine-tune the final position.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX90-40 the Right Cylinder?
Choose this 200 mm bore when your application requires extreme force, stepping up significantly from the 160 mm bore which provides 10053 N push force at 0.5 MPa. The adjustable stroke is selected when machine setups require variable end-stops or product changeovers, avoiding the need to physically swap out a fixed-stroke SAI cylinder. For exact ISO 15552 dimensional interchangeability, match the 200 mm bore, 90 mm stroke, 40 mm adjustment, PT G3/4 ports, and the standard mounting set.
Because the stroke is 90 mm, side-loading is less of a concern than with longer travels, but the heavy rod and M36x2 thread handle substantial loads. Remember that the SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. If your process requires true load-holding without continuous air pressure, use a SAIL air-released lock or BSAI clamp-lock cylinder instead of relying on this adjuster.
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 SAIJ200BX90-40 FAQ
At a 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw lets you shorten the effective travel by up to 40 mm, creating a usable stroke window of 50 to 90 mm. This allows precise end-position tuning at commissioning without swapping the cylinder.
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