Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 195mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke195 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20
The AirTAC SAIJ100X195-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down to a 175-195 mm window. Built with a SUS304 stainless steel rod and PT tapered port threads, it delivers a robust 3927 N push force at 0.5 MPa, scaling up to 7068 N at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches.
This model uses a mechanical stopper at the retract end to set the exact end-of-travel position during commissioning. The adjuster and the variable air cushions decelerate the load, but they do not function as a lock; a plain SAIJ will not hold a load without live air pressure. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 195 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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, 36 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | 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 SAIJ100 Adjustable Cylinder SAIJ100BX195-20 Is Used
Machine Changeovers
Dial in the 175-195 mm travel window during product size transitions to set precise end-stops without physically replacing the actuator.
End-Position Tuning
Fine-tune the retract position at machine commissioning to perfect a critical pressing or forming operation.
Diverter Adjustment
Adjust the stroke on a heavy-duty conveyor diverter to accommodate varying package sizes on the fly.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20 the Right Cylinder?
Choose this 100 mm bore when an 80 mm bore (providing 2513 N push at 0.5 MPa) is insufficient for moving heavy jigs or clamping forces. The 20 mm adjustment range is ideal for product-size changeovers on a packaging line, allowing operators to dial in the exact 175-195 mm end-stop without physically swapping the cylinder or bolting on external stops. For load-holding requirements without continuous air pressure, consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 195 mm stroke, PT port threads, and the chosen mounting accessory. Because the stroke is near the 200 mm range, ensure the load is guided externally to prevent side-loading damage to the M20x1.5 rod thread and the 25 mm rod diameter.
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 SAIJ100 Adjustable Cylinder SAIJ100BX195-20 FAQ
At 0.5 MPa, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
A rear mechanical screw acts as a stopper, allowing you to shorten the nominal 195 mm stroke by up to 20 mm, creating a usable travel window of 175-195 mm. This stopper decelerates the load but does not lock or hold the position without live air pressure.
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