Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-30
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 500mm 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
- Stroke500 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-30
The AirTAC SAIJ80X500-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 470-500 mm, allowing you to dial back the 500 mm nominal stroke by up to 30 mm during commissioning. Delivering 2513 N of push force at 0.5 MPa, it handles demanding positioning tasks without needing external stops.
This model incorporates an SUS420J2 stainless steel rod for enhanced corrosion resistance and uses PT tapered port threads for its G3/8 connections. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE electronic switches if a magnet is added later. It supports a standard mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-30 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 500 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 SAIJ80AX500-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×500 | 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 SAIJ80AX500-30 Is Used
Product Changeovers
Quickly modify the extended end position by up to 30 mm when switching between product sizes on a packaging line, avoiding cylinder swaps.
Machine Setup
Fine-tune the 470-500 mm travel window during initial commissioning to perfectly time the 2513 N thrust without adding external stopper blocks.
Material Handling
Precisely position heavy pallets or fixtures over a 500 mm range, using the rear adjuster to compensate for mechanical drift.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-30 the Right Cylinder?
Choose this 80 mm bore when an application requires substantial thrust, such as the 2513 N push force at 0.5 MPa, but demands precise end-position tuning over a long 470-500 mm travel window. If you need less force, stepping down to a 63 mm bore yields 1559 N; stepping up to 100 mm provides 3927 N. The adjustable rear stopper is ideal for product changeovers, whereas a fixed SAI cylinder is better for repeatable hard stops. Because the stroke is 500 mm, an external guide is recommended to manage side loading on the 25 mm rod. To match this ISO 15552 interchangeable cylinder, specify bore 80, stroke 500, adjust 30, PT G3/8 ports, and SUS420J2 rod material. Note that the rear adjuster is a travel stop, not a lock; for load-holding without live air, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ80AX500-30 FAQ
The rear adjuster acts as a mechanical stop, allowing you to shorten the effective travel from 500 mm down to 470 mm. It sets the end position but does not lock the load without live air pressure.
At 0.5 MPa, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. It operates at speeds between 30 and 800 mm/s.
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