Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-75S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-75S 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 SAIJ100BX170-75S
The AirTAC SAIJ100X170-75-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear mechanical stroke adjuster. It delivers 3927N of push force and 3681N of pull force at 0.5 MPa, scaling up to 7068N push at 0.9 MPa. The built-in rear stopper allows you to fine-tune the end position at commissioning, creating a usable travel window between 95 and 170 mm without swapping the barrel or adding external stops.
This specific SKU ships with a SUS304 stainless steel rod (option B) for superior corrosion resistance, a PT tapered port thread, and an integrated magnet (-S) for position sensing. The extruded aluminum profile includes sensor grooves on both sides, ready to accept AirTAC CMSE reed or DMSE solid-state switches. Variable air cushions at both ends decelerate the load, but remember the adjuster acts only as a travel stop—it does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-75S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-75S |
|---|---|
| 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 SAIJ100BX170-75S
| 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 SAIJ100BX170-75S Is Used
Product Changeover
Dial in the stroke from 170mm down to 95mm during production line changeovers to accommodate varying package sizes without replacing hardware.
End-Position Tuning
Fine-tune the retract end-position during machine commissioning to dial out mechanical play and achieve exact clamping depth.
Variable Stroke Stops
Set custom travel limits on automated machinery where multiple end-of-stroke positions are required from a single actuator.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-75S the Right Cylinder?
Select this 100mm bore adjustable cylinder when your machine setup requires variable end-stops or frequent product-size changeovers. If your application needs less force, stepping down to an 80mm bore yields 2513N push at 0.5 MPa; if you require more power, a 125mm bore provides 6136N. Choose the SAIJ adjustable-stroke format over a fixed SAI model when you need precise end-position tuning during commissioning.
To match this exact configuration, specify a 100mm bore, 170mm nominal stroke, 75mm adjustment range, PT port thread, SUS304 stainless steel rod, and the -S magnet option. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 170mm stroke is relatively short, side-load stress is minimal, but always guide the load properly as the rear adjuster and cushions are stops, not locks. For true load-holding without live air, consider the SAIL or BSAI series.
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 SAIJ100BX170-75S FAQ
At 0.5 MPa it provides 3927N push and 3681N pull force. At 0.9 MPa, the push force increases to 7068N.
The rear adjuster acts as a mechanical stop, allowing you to shorten the effective travel from 170mm down to 95mm. It is a travel stop, not a lock, so it will not hold the load without live air pressure.
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