Airtac SAIJ40 Adjustable Cylinder SAIJ40BX200-10
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX200-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 200mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke200 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX200-10
The AirTAC SAIJ40X200-10 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers 628N of push force at 0.5 MPa and provides a usable travel window of 190 to 200 mm, allowing you to trim the nominal 200 mm stroke by up to 10 mm during machine commissioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This configuration features a SUS304 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads with a G1/4 connection. The 16 mm rod diameter and M12x1.25 rod thread provide a robust interface that handles side loads well, though long unsupported strokes still require external guiding. The rear adjuster acts strictly as a travel stop to fine-tune deceleration, not as a load-holding lock.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX200-10 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX200-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 200 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ40 Adjustable Cylinder SAIJ40BX200-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×200 | 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 SAIJ40 Adjustable Cylinder SAIJ40BX200-10 Is Used
Commissioning Calibration
Dial in the exact 190 to 200 mm end-stop during initial machine setup to perfect positioning without machining custom spacers.
Product Changeover
Quickly adjust the retract stroke by up to 10 mm to accommodate slightly different product sizes on the same production line.
Machining Clamping
Securely position parts using the 628N push force, fine-tuning the clamping depth to prevent deformation of delicate materials.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX200-10 the Right Cylinder?
Select this 40 mm bore cylinder when an application requires precise end-position tuning without swapping components; it yields 528N of pull force at 0.5 MPa. If your setup needs less force, stepping down to a 32 mm bore provides 402N, while stepping up to a 50 mm bore offers 982N. Choose the SAIJ adjustable-stroke format over a fixed SAI cylinder when you anticipate product changeovers or need to dial in a precise variable end-stop on the fly.
For a direct ISO 15552 replacement match, ensure you specify the 40 mm bore, 200 mm stroke, 10 mm adjustment range, PT port threads, and the SUS304 (B) rod material. Because this model lacks a magnet (-S), it cannot host CMSE or DMSE sensors without changing the piston assembly. Remember that the rear adjuster only sets the travel end; for load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder. Since the stroke is 200 mm, standard mounting supports the load, but always verify guide alignment.
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 SAIJ40 Adjustable Cylinder SAIJ40BX200-10 FAQ
At 0.5 MPa operating pressure, this 40 mm bore cylinder provides 628N of push force and 528N of pull force. It can reach a maximum push force of 1130N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke from its nominal 200 mm down to 190 mm, creating a 190 to 200 mm travel window. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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