Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20S 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 SAIJ100BX195-20S
The AirTAC SAIJ100X195-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 175-195 mm, allowing you to trim the effective stroke by up to 20 mm during commissioning without swapping the cylinder or adding external stops. Featuring a 100 mm bore, it delivers 3927 N of push force and 3681 N of pull force at 0.5 MPa.
This SKU includes a SUS304 stainless steel rod (code B) for superior corrosion resistance and ships with a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel features sensor grooves on both sides. It uses a PT G1/2 port and achieves speeds of 30-800 mm/s, while the rear adjuster acts purely as a travel stop and does not hold the load without live air.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20S |
|---|---|
| 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 SAIJ100BX195-20S
| 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 SAIJ100BX195-20S Is Used
Machine Changeover
Dial in the 175-195 mm retract position precisely when switching between product sizes on a packaging line, avoiding the need for physical spacer modifications.
End-Stop Calibration
Fine-tune the final end-position during machine commissioning to achieve perfect alignment, using the rear screw to trim up to 20 mm off the nominal stroke.
Corrosive Forming
Leverage the SUS304 stainless steel rod for pressing or forming tasks in humid or mildly corrosive environments where standard carbon steel rods would degrade.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-20S the Right Cylinder?
Choose this 100 mm bore when an 80 mm cylinder (providing 2513 N push at 0.5 MPa) is underpowered, but a 125 mm unit (6136 N) would be excessive. The adjustable 175-195 mm window is ideal for product-size changeovers on a line, letting you fine-tune the retract end-position on the fly instead of machining custom spacers. For an ISO 15552 replacement match, verify the 195 mm stroke, 20 mm adjuster, PT G1/2 port, and the -S magnet requirement.
Because the stroke is under 300 mm, side-load stress is moderate, but the robust 25 mm rod and M20x1.5 thread handle standard loads effectively. Remember that the rear adjuster and air cushions only decelerate the travel end; they do not function as a lock. For load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ100BX195-20S FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder generates 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 195 mm nominal stroke by up to 20 mm, creating a 175-195 mm travel window. It only sets the end-position and does not lock the load without continuous air pressure.
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