Airtac SAIJ100 Adjustable Cylinder SAIJ100BX95-75
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX95-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 95mm 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
- Stroke95 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX95-75
The AirTAC SAIJ100X95-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 3927N push force at 0.5 MPa. It features a SUS304 stainless steel rod and PT tapered ports. By turning the rear screw, you can trim the nominal 95mm travel back by up to 75mm, creating a highly flexible 20-95mm usable stroke window for precise positioning.
Because the adjuster acts purely as a mechanical stop, it decelerates the load alongside the standard air cushions but cannot hold position without live air. For load-holding without pneumatic pressure, an external rod lock or a related SAIL lock cylinder is required. This extruded aluminum barrel design omits tie-rods and includes dual sensor grooves, though this specific SKU lacks the magnet for CMSE or DMSE switches.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX95-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX95-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 95 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 SAIJ100BX95-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×95 | 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 SAIJ100BX95-75 Is Used
Variable End-Stop Positioning
Dial in the exact retraction point between 20 and 95mm during machine commissioning to accommodate different material thicknesses without adding external mechanical stops.
Product Size Changeover
Quickly adjust the stroke length on packaging lines when switching between different package sizes, leveraging the 75mm trim range to handle varied formats on one actuator.
Stainless Rod Assembly
Utilize the SUS304 stainless steel rod in light-washdown or corrosive-adjacent assembly stations where standard carbon steel rods might face premature wear.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX95-75 the Right Cylinder?
Choose this 100mm bore when an 80mm bore (providing 2513N push at 0.5 MPa) is insufficient for your load, but a 125mm bore (6136N) would be excessive. The 75mm adjustment range is exceptionally wide, allowing a single cylinder to handle multiple product sizes on a changeover line without swapping the actuator. If you only need a fixed end position, a standard SAI cylinder is simpler, but the SAIJ shines in commissioning setups requiring variable end-stops.
When replacing an ISO 15552 cylinder, match the 100mm bore, 95mm stroke, 75mm adjustment, PT port threads, and SUS304 rod material. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Since the stroke is under 300mm, side-load risks are lower, but the 25mm rod diameter still handles moderate side loading better than smaller bores.
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 SAIJ100BX95-75 FAQ
At 0.5 MPa, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7 MPa, the push force increases to 5497N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 95mm nominal stroke by up to 75mm. This creates a usable travel window of 20-95mm. Note that it is a stop, not a lock, and cannot hold the load without continuous air pressure.
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