Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-50
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-50 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 SAIJ100BX195-50
The AirTAC SAIJ100X195-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, letting you dial back the nominal 195 mm travel by up to 50 mm. This yields a usable end-position window of 145 to 195 mm, allowing precise fine-tuning at commissioning without swapping the unit or adding external stops. It delivers 3927 N of push force and 3681 N of pull force at 0.5 MPa, scaling up to 7068 N push at 0.9 MPa.
This specific configuration features a SUS304 stainless steel rod (option B) for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this specific SKU is built without a piston magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR mounts found on some standard cylinders.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-50 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-50 |
|---|---|
| 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 SAIJ100BX195-50
| 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 SAIJ100BX195-50 Is Used
Product Changeover
Quickly reposition the end-of-stroke stop on a packaging line when switching between different carton sizes, using the 50 mm adjustment to avoid mechanical rebuilds.
Commissioning Fine-Tune
Dial in the exact 145 to 195 mm travel window during machine setup to perfect pressing or clamping depth without disassembling the pneumatic circuit.
Corrosive Environments
Leverage the SUS304 stainless steel rod for assembling or handling materials in washdown or mildly corrosive industrial environments where standard carbon steel rods would degrade.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX195-50 the Right Cylinder?
Choose this 100 mm bore when an 80 mm bore (providing 2513 N push at 0.5 MPa) is insufficient for your load, but a 125 mm bore (6136 N push) would be excessive overkill. The 50 mm adjustment range is ideal for machinery that undergoes frequent product-size changeovers, as it replaces the need to physically swap cylinders to achieve different end stops. When replacing an existing ISO 15552 cylinder, match the 100 mm bore, 195 mm stroke, 50 mm adjustment, PT port threads, and SUS304 rod material.
Because the 195 mm stroke approaches the 300 mm side-load threshold, ensure proper external guiding if the load is heavy or asymmetric. Remember that the rear adjuster is a travel stop, not a locking device; it cannot hold the load without live air pressure. For true load-holding without continuous air, consider the AirTAC SAIL or BSAI clamp-lock cylinders instead.
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 SAIJ100BX195-50 FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.9 MPa, the push force increases to 7068 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 195 mm down to a minimum of 145 mm, creating a 145-195 mm usable window. It only sets the end position and does not lock or hold the load without continuous air pressure.
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