Airtac SAIJ40 Adjustable Cylinder SAIJ40BX195-10
The AirTAC Airtac SAIJ40 Adjustable Cylinder SAIJ40BX195-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 195mm 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
- Stroke195 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX195-10
The AirTAC SAIJ40X195-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 185-195 mm, allowing you to dial back the nominal 195 mm stroke by up to 10 mm. Operating at 0.5 MPa, it delivers 628 N of push force and 528 N of pull force, making it well-suited for medium-duty positioning tasks.
This unit is configured with a SUS304 stainless steel rod for superior corrosion resistance and ships with PT tapered ports. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. The rear adjuster acts purely as a mechanical stop to set the end position and does not hold the load without live air pressure.
Airtac SAIJ40 Adjustable Cylinder SAIJ40BX195-10 Technical Specifications
| Model | Airtac SAIJ40 Adjustable Cylinder SAIJ40BX195-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 195 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 SAIJ40BX195-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×195 | 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 SAIJ40BX195-10 Is Used
Machine Changeover
Quickly reposition the retract end-stop during product size changes on a packaging line without disassembling the actuator.
End-Position Tuning
Dial in the exact 185 to 195 mm travel distance during commissioning to perfect a pressing or clamping operation.
Corrosive Environments
Leverage the SUS304 stainless steel rod for reliable actuation in washdown areas or environments with mild chemicals.
Is the Airtac SAIJ40 Adjustable Cylinder SAIJ40BX195-10 the Right Cylinder?
Choose this 40 mm bore when a 32 mm bore (delivering 402 N push at 0.5 MPa) is too weak, but a 50 mm bore (982 N push) is unnecessarily large. The adjustable stroke is ideal for machine setup and product changeover, letting you fine-tune the retract end-position without swapping the cylinder or adding external stops. For load-holding without continuous air pressure, you would need a SAIL or BSAI variant, as this adjuster is a stop, not a lock. This model is dimensionally interchangeable with ISO 15552 cylinders, requiring a 40 mm bore, 195 mm stroke, 10 mm adjustment, PT G1/4 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting.
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 SAIJ40BX195-10 FAQ
At 0.5 MPa operating pressure, this 40 mm bore cylinder provides 628 N of push force and 528 N of pull force. It can reach up to 1130 N of push force at 0.9 MPa.
The rear adjuster screw lets you shorten the nominal 195 mm stroke by up to 10 mm, creating a 185-195 mm travel window. It acts as a mechanical stop for fine-tuning at commissioning and does not lock the load without live air pressure.
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