Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-30
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 165mm 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
- Stroke165 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-30
The AirTAC SAIJ100X165-30 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers a robust 3927N push force at 0.5 MPa and provides a usable travel window of 135 to 165mm, letting you dial back the nominal 165mm stroke by up to 30mm during commissioning.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threading with a G1/2 connection. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 attachments.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 165 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 SAIJ100BX165-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×165 | 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 SAIJ100BX165-30 Is Used
Machine Changeovers
Dial in the exact retract end-position within the 135-165mm window during product size transitions, eliminating the need to physically swap cylinders for different packaging formats.
Heavy Fixture Indexing
Leverage the 3927N thrust at 0.5 MPa to shift heavy machining fixtures into place, using the rear stopper to precisely set the final resting coordinates.
Component Seating
Press bearings or pins with repeatable accuracy, relying on the 30mm adjustment screw to compensate for mechanical wear and maintain perfect seating depth over time.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX165-30 the Right Cylinder?
Choose this 100mm bore when an 80mm bore (providing 2513N push force at 0.5 MPa) is insufficient for moving heavy jigs or actuators. The 30mm adjustable stroke is ideal for product changeovers, allowing you to fine-tune the retract end position without adding external stops or swapping out the entire cylinder for a fixed-stroke SAI model.
Because the rear adjuster acts only as a mechanical stop and the air cushions handle deceleration, this cylinder cannot hold a load without live air pressure. For position-holding requirements, consider an external pilot-operated check valve or explore AirTAC SAIL or BSAI clamp-lock cylinders. When replacing an ISO 15552 unit, match the 100mm bore, 165mm stroke, 30mm adjustment, PT port, and required 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 SAIJ100 Adjustable Cylinder SAIJ100BX165-30 FAQ
At a 0.5 MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. If you increase the pressure to 0.7 MPa, the push force rises to 5497N.
The external rear adjuster screw lets you shorten the effective travel from the nominal 165mm down to 135mm. This creates a 30mm usable window for fine-tuning the retract end position at commissioning without altering the cylinder's ISO 15552 mounting footprint.
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