Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 155mm 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
- Stroke155 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-30S
The AirTAC SAIJ80X155-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 2513N push force at 0.5 MPa and features a carbon steel piston rod with an M20x1.5 thread. Because this SKU includes the -S magnet, it directly supports AirTAC CMSE reed and DMSE electronic solid-state switches seated in the dual sensor grooves machined into the extruded aluminum barrel.
The built-in rear stopper allows you to dial back the 155 mm nominal stroke by up to 30 mm, creating a precise 125-155 mm usable travel window. This mechanism simplifies end-position tuning during commissioning or product changeover without adding external stops. The adjuster and the variable air cushions at both ends strictly manage travel deceleration; they do not lock the load. For position holding without live air, an external SAIL or BSAI lock is required.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 155 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 SAIJ80X155-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×155 | 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 SAIJ80X155-30S Is Used
Machine Changeover
Quickly fine-tune the 125-155 mm travel endpoint during product size transitions on a packaging line without physically replacing the cylinder.
Assembly Pressing
Delivers 2513N of thrust at 0.5 MPa for pressing tasks, with the rear stopper allowing precise depth calibration for delicate components.
End-Stop Calibration
Perfect for dialing in exact retraction limits during machine commissioning, using the 30 mm adjustment window to perfect the tooling gap.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-30S the Right Cylinder?
Select this 80 mm bore model when an application demands substantial thrust, such as 4523N of push force at 0.9 MPa, alongside precise end-stop variability. If your setup requires less force, stepping down to a 63 mm bore yields 2805N at 0.9 MPa, whereas moving up to a 100 mm bore provides 7068N. The 30 mm adjustment range is ideal for dialing in exact end positions on the fly rather than swapping a fixed-stroke SAI cylinder. This unit uses a PT tapered G3/8 port and supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2. It omits FB, CA, CB, and CR mounts. Because the 155 mm stroke is relatively short, side-load stress on the 25 mm rod is moderate, but an external guide is still recommended for heavy radial 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 SAIJ80 Adjustable Cylinder SAIJ80X155-30S FAQ
At a 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.9 MPa, the push force increases to 4523N.
The rear adjuster acts as a travel stop, allowing you to shorten the 155 mm nominal stroke by up to 30 mm. This creates a 125-155 mm usable travel window for fine-tuning end positions without swapping the cylinder.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac SAIJ80 Adjustable Cylinder SAIJ80X155-30S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.