Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-50S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 700mm 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
- Stroke700 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-50S
The AirTAC SAIJ100X700-50-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 3927N push force at 0.5 MPa and provides a usable travel window of 650 to 700mm, letting you dial back the end position by up to 50mm during commissioning.
This unit includes a magnet for CMSE reed and DMSE electronic sensors, which mount cleanly into the extruded aluminum barrel grooves on both sides. It uses a G1/2 port and omits the FB, CA, CB, and CR mounting hardware, offering the specific SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-50S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 700 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 SAIJ100X700-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×700 | 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 SAIJ100X700-50S Is Used
Variable End-Stop Machining
Fine-tune the clamping travel on machining fixtures across multiple part lengths, utilizing the 50mm adjustment window to change end positions rapidly without disassembling the setup.
Product Changeover Diverter
Adjust the stroke on packaging line diverters when switching box sizes, ensuring precise routing without needing to unbolt the cylinder or install secondary hard stops.
Machine Setup Calibration
Dial in the exact retraction point during initial machine commissioning, using the rear adjuster to compensate for mechanical tolerances and achieve perfect positioning.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X700-50S the Right Cylinder?
Choose this 100mm bore when 80mm (2513N push) is too weak but 125mm (6136N push) is oversized. The 50mm adjustment range is ideal for product changeovers requiring different end positions without physically swapping the cylinder or adding external stops. The rear screw acts purely as a travel stop and does not hold the load without live air; for true pneumatic locking, consider the SAIL or BSAI series.
When replacing an ISO 15552 cylinder, match the 100mm bore, 700mm stroke, 50mm adjustment, PT tapered port threads, and the -S magnet requirement. Because the stroke is 700mm, the long unsupported piston rod is susceptible to side-loading; always use an external guide to prevent premature seal wear and binding.
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 SAIJ100X700-50S FAQ
At 0.5 MPa it provides 3927N of push force and 3681N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 7068N.
The rear adjuster screw lets you shorten the 700mm nominal stroke by up to 50mm, creating a usable travel window of 650 to 700mm. It functions as a mechanical stop to set the end position and is not a load-holding lock.
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