Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-50
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 170mm 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
- Stroke170 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-50
The AirTAC SAIJ100X170-50 is a double-acting ISO 15552 profile cylinder engineered with a rear mechanical stopper, allowing you to trim the effective travel down by up to 50 mm. This yields a highly flexible usable stroke window of 120 to 170 mm, enabling precise end-position calibration during commissioning without swapping out the unit. Delivering a robust 3927 N of push force at 0.5 MPa, it is built for demanding industrial positioning tasks.
This specific configuration features a SUS304 stainless steel piston rod for superior corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, ready to accept CMSE reed or DMSE electronic solid-state switches if a magnet is added later. Furthermore, the SAIJ mounting suite deliberately omits the FB, CA, CB, and CR brackets, offering a streamlined set of attachments: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-50 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 170 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 SAIJ100BX170-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×170 | 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 SAIJ100BX170-50 Is Used
Machine Changeover Setup
Quickly fine-tune the retract end-position within the 120-170 mm window when adapting machinery to run a different product size, avoiding mechanical rework.
Precision End-Stop Tuning
Dial in the exact 50 mm adjustment at commissioning to perfect the final resting position of a heavy 3927 N push assembly without adding external stops.
Corrosive Environment Actuation
Leverage the SUS304 stainless steel rod for double-acting positioning tasks in wash-down or mildly corrosive factory environments where standard carbon steel fails.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-50 the Right Cylinder?
Choose this 100 mm bore if your application requires substantial thrust—such as the 3927 N push force at 0.5 MPa or 7068 N at 0.9 MPa—combined with the flexibility to dial in the retract end-stop. If your setup needs less force, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa. The 50 mm adjustment range is ideal for production lines that undergo frequent product-size changeovers, eliminating the need to bolt on external stops. Remember that the rear adjuster acts purely as a travel stop and deceleration point; it does not hold the load without live air pressure. For secure load-holding, consider an AirTAC SAIL or BSAI series cylinder instead.
As an ISO 15552 profile cylinder, it is dimensionally interchangeable with ISO 15552 cylinders from other manufacturers. To match this exact configuration, confirm a 100 mm bore, 170 mm nominal stroke, 50 mm adjustment range, PT port threads, SUS304 stainless steel rod material, and no magnet (-S). With a 170 mm stroke, side loads are minimal, but always ensure adequate guiding for long unsupported loads.
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 SAIJ100BX170-50 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 the maximum 1.0 MPa pressure, it can deliver up to 801 kgf of push force.
The rear adjuster screw acts as a mechanical stopper that lets you shorten the nominal 170 mm stroke by up to 50 mm, giving an adjustable travel window of 120 to 170 mm. It only sets the travel end and does not lock or hold the load without continuous air pressure.
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