Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 175mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke175 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-100
The AirTAC SAIJ80X175-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a substantial 2513N push force at 0.5 MPa and uses a G3/8 port. The built-in adjustment mechanism allows you to trim the nominal 175mm stroke back by up to 100mm, creating a highly flexible 75-175mm usable travel window for precise end-position tuning.
This extruded aluminum profile barrel omits tie-rods and includes sensor grooves on both sides. The standard carbon steel rod with an M20x1.5 thread handles high side loads well, though long unsupported strokes still require an external guide. The rear stopper acts solely as a travel end deceleration device, not a lock, so live air is required to hold the load.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×175 | 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 SAIJ80 Adjustable Cylinder SAIJ80X175-100 Is Used
Variable End-Stop Machining
Dial in the exact clamping depth between 75 and 175mm during machine setup, accommodating different raw material thicknesses without mechanical rebuilds.
Product Size Changeover
Quickly adjust the stroke on packaging lines to handle varying carton dimensions, using the rear screw to set the new travel limit in seconds.
Commissioning Fine-Tuning
Perfect the final end-position during installation, absorbing mechanical tolerances by trimming up to 100mm off the nominal stroke before locking the setting.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-100 the Right Cylinder?
Choose this 80mm bore when 50mm (982N push) is too weak but 100mm (3927N push) is oversized. The massive 100mm adjustment range is ideal for machines running multiple product sizes, allowing you to dial in the exact end-stop during changeover without swapping cylinders or adding external stops. For exact ISO 15552 interchangeability, match the 80mm bore, 175mm stroke, PT G3/8 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounts.
Because the stroke is under 300mm, side-load stress is moderate, but you should still guide the load to protect the rod. If your process requires holding a position without continuous air pressure, this cylinder will not suffice; you should look at the SAIL (air-released lock) or BSAI (clamp-lock) variants 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 SAIJ80 Adjustable Cylinder SAIJ80X175-100 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 513 kgf.
The rear adjuster screw lets you shorten the effective travel from the nominal 175mm down to as little as 75mm, creating a 75-175mm usable window. This stopper only sets the travel end and requires live air to maintain position; it does not lock the load.
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