Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-30S 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 SAIJ100BX170-30S
The AirTAC SAIJ100X170-30-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 140 to 170 mm, allowing you to dial back the nominal 170 mm stroke by up to 30 mm during commissioning without swapping the unit or adding external stops. In this configuration, the bore 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 SKU is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and features a built-in magnet (-S) for position sensing. It works seamlessly with AirTAC CMSE reed switches and DMSE solid-state electronic sensors mounted into the dual-side sensor grooves on the extruded aluminum barrel. The standard PT tapered port and G1/2 thread size match the bore specifications, while the rear adjuster acts purely as a travel stop to decelerate the end-of-stroke, not as a load-holding lock.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-30S |
|---|---|
| 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 SAIJ100BX170-30S
| 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 SAIJ100BX170-30S Is Used
Product Changeover
Dial in the exact end-position up to 30 mm when switching product sizes on a packaging line, eliminating the need to physically swap cylinders for different formats.
Commissioning Fine-Tune
Trim the effective travel window down to 140 mm during initial machine setup to perfectly time the press stroke without adding external mechanical stops.
Heavy Material Press
Leverage the 7068 N push force at 0.9 MPa for robust pressing and holding operations, using the rear stopper to precisely control the deceleration point.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX170-30S the Right Cylinder?
Choose this 100 mm bore if your application requires heavy thrust between 3927 N (at 0.5 MPa) and 7068 N (at 0.9 MPa); if you need less force, stepping down to an 80 mm bore yields 2513 N push at 0.5 MPa. The adjustable stroke is ideal for machine setups requiring variable end-stops or frequent product-size changeovers, replacing fixed-stroke SAI cylinders when exact positioning must be tuned on the fly. To match this cylinder for an ISO 15552 replacement, verify the 100 mm bore, 170 mm stroke, 30 mm adjustment, PT G1/2 port, SUS304 rod, and -S magnet.
Because the total stroke is 170 mm, side loads are moderate, but always ensure proper guiding for long unsupported loads. Remember that the rear adjuster and air cushions only set the travel end; they do not hold the load without live air. For true load-holding without continuous pressure, consider an AirTAC SAIL (pneumatic lock) or BSAI (clamp-lock) cylinder 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 SAIJ100BX170-30S FAQ
The rear adjusting screw acts as a mechanical stopper, allowing you to shorten the effective stroke from 170 mm down to 140 mm. This creates a 30 mm adjustable travel window for fine-tuning end positions at commissioning, but it does not lock the load without live air pressure.
At 0.5 MPa operating pressure, it provides 3927 N of push force and 3681 N of pull force. At 0.9 MPa, the push force increases to 7068 N.
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